From: Svjatoslav Agejenko Date: Sun, 6 Apr 2025 23:20:49 +0000 (+0300) Subject: Add lab heater description X-Git-Url: http://www2.svjatoslav.eu/gitweb/?a=commitdiff_plain;h=5eab89f78f0cc45e462e2f7b7cee06f740889a9e;p=physical.git Add lab heater description --- diff --git a/Miscellaneous/12V Lead-Acid battery changer and terminal/KiCad project/DC2DC step down.sch b/Miscellaneous/12V Lead-Acid battery changer and terminal/KiCad project/DC2DC step down.sch new file mode 100644 index 0000000..1cc76d8 --- /dev/null +++ b/Miscellaneous/12V Lead-Acid battery changer and terminal/KiCad project/DC2DC step down.sch @@ -0,0 +1,22 @@ +EESchema Schematic File Version 4 +EELAYER 30 0 +EELAYER END +$Descr A4 11693 8268 +encoding utf-8 +Sheet 6 6 +Title "" +Date "" +Rev "" +Comp "" +Comment1 "" +Comment2 "" +Comment3 "" +Comment4 "" +$EndDescr +Text HLabel 3900 3350 0 50 Input ~ 0 +V_in +Text HLabel 4450 3350 2 50 Input ~ 0 +V_out +Text HLabel 4150 3650 0 50 BiDi ~ 0 +GND +$EndSCHEMATC diff --git a/Miscellaneous/12V Lead-Acid battery changer and terminal/KiCad project/DC2DC step down.sch-bak b/Miscellaneous/12V Lead-Acid battery changer and terminal/KiCad project/DC2DC step down.sch-bak new file mode 100644 index 0000000..1cc76d8 --- /dev/null +++ b/Miscellaneous/12V Lead-Acid battery changer and terminal/KiCad project/DC2DC step down.sch-bak @@ -0,0 +1,22 @@ +EESchema Schematic File Version 4 +EELAYER 30 0 +EELAYER END +$Descr A4 11693 8268 +encoding utf-8 +Sheet 6 6 +Title "" +Date "" +Rev "" +Comp "" +Comment1 "" +Comment2 "" +Comment3 "" +Comment4 "" +$EndDescr +Text HLabel 3900 3350 0 50 Input ~ 0 +V_in +Text HLabel 4450 3350 2 50 Input ~ 0 +V_out +Text HLabel 4150 3650 0 50 BiDi ~ 0 +GND +$EndSCHEMATC diff --git a/Miscellaneous/12V Lead-Acid battery changer and terminal/KiCad project/KiCad project-cache.lib b/Miscellaneous/12V Lead-Acid battery changer and terminal/KiCad project/KiCad project-cache.lib new file mode 100644 index 0000000..2d2f080 --- /dev/null +++ b/Miscellaneous/12V Lead-Acid battery changer and terminal/KiCad project/KiCad project-cache.lib @@ -0,0 +1,237 @@ +EESchema-LIBRARY Version 2.4 +#encoding utf-8 +# +# Connector_Conn_WallPlug +# +DEF Connector_Conn_WallPlug P 0 0 Y Y 1 F N +F0 "P" -50 175 50 H V C BNN +F1 "Connector_Conn_WallPlug" -225 0 50 V V C BNN +F2 "" 400 0 50 H I C CNN +F3 "" 400 0 50 H I C CNN +DRAW +A -125 0 150 -899 899 0 1 10 f -125 -150 -125 150 +P 2 0 1 20 -175 -100 -25 -100 N +P 2 0 1 20 -175 100 -25 100 N +P 2 0 1 10 -125 -150 -125 150 N +P 2 0 1 0 -25 -100 100 -100 N +P 2 0 1 0 -25 100 100 100 N +X AC_P 1 200 100 200 L 50 50 1 1 w +X AC_N 2 200 -100 200 L 50 50 1 1 w +ENDDRAW +ENDDEF +# +# Connector_USB_A +# +DEF Connector_USB_A J 0 40 Y Y 1 F N +F0 "J" -200 450 50 H V L CNN +F1 "Connector_USB_A" -200 350 50 H V L CNN +F2 "" 150 -50 50 H I C CNN +F3 "" 150 -50 50 H I C CNN +$FPLIST + USB* +$ENDFPLIST +DRAW +C -150 85 25 0 1 10 F +C -25 135 15 0 1 10 F +S -200 -300 200 300 0 1 10 f +S -60 190 -170 210 0 1 0 F +S -50 180 -180 230 0 1 0 N +S -5 -300 5 -270 0 1 0 N +S 10 50 -20 20 0 1 10 F +S 200 -105 170 -95 0 1 0 N +S 200 -5 170 5 0 1 0 N +S 200 195 170 205 0 1 0 N +P 4 0 1 10 -125 85 -100 85 -50 135 -25 135 N +P 4 0 1 10 -100 85 -75 85 -50 35 0 35 N +P 4 0 1 10 25 110 25 60 75 85 25 110 F +P 2 1 1 10 -75 85 25 85 N +X VBUS 1 300 200 100 L 50 50 1 1 W +X D- 2 300 -100 100 L 50 50 1 1 P +X D+ 3 300 0 100 L 50 50 1 1 P +X GND 4 0 -400 100 U 50 50 1 1 W +X Shield 5 -100 -400 100 U 50 50 1 1 P +ENDDRAW +ENDDEF +# +# Device_C +# +DEF Device_C C 0 10 N Y 1 F N +F0 "C" 25 100 50 H V L CNN +F1 "Device_C" 25 -100 50 H V L CNN +F2 "" 38 -150 50 H I C CNN +F3 "" 0 0 50 H I C CNN +$FPLIST + C_* +$ENDFPLIST +DRAW +P 2 0 1 20 -80 -30 80 -30 N +P 2 0 1 20 -80 30 80 30 N +X ~ 1 0 150 110 D 50 50 1 1 P +X ~ 2 0 -150 110 U 50 50 1 1 P +ENDDRAW +ENDDEF +# +# Device_D_Bridge_+-AA +# +DEF Device_D_Bridge_+-AA D 0 0 Y Y 1 F N +F0 "D" 100 275 50 H V L CNN +F1 "Device_D_Bridge_+-AA" 100 200 50 H V L CNN +F2 "" 0 0 50 H I C CNN +F3 "" 0 0 50 H I C CNN +$FPLIST + D*Bridge* + D*Rectifier* +$ENDFPLIST +DRAW +C -200 0 10 0 1 0 F +C 0 -200 10 0 1 0 F +C 0 200 10 0 1 0 F +C 200 0 10 0 1 0 F +P 2 0 1 10 -100 150 -50 100 N +P 2 0 1 10 -50 -100 -100 -150 N +P 2 0 1 10 100 -50 150 -100 N +P 2 0 1 10 100 50 150 100 N +P 4 0 1 10 -150 100 -100 50 -75 125 -150 100 N +P 4 0 1 10 -100 -50 -150 -100 -75 -125 -100 -50 N +P 4 0 1 10 50 100 100 150 125 75 50 100 N +P 4 0 1 10 125 -75 50 -100 100 -150 125 -75 N +P 5 0 1 0 -200 0 0 -200 200 0 0 200 -200 0 N +X + 1 300 0 100 L 50 50 1 1 P +X - 2 -300 0 100 R 50 50 1 1 P +X ~~ 3 0 300 100 D 50 50 1 1 P +X ~~ 4 0 -300 100 U 50 50 1 1 P +ENDDRAW +ENDDEF +# +# Device_R +# +DEF Device_R R 0 0 N Y 1 F N +F0 "R" 80 0 50 V V C CNN +F1 "Device_R" 0 0 50 V V C CNN +F2 "" -70 0 50 V I C CNN +F3 "" 0 0 50 H I C CNN +$FPLIST + R_* +$ENDFPLIST +DRAW +S -40 -100 40 100 0 1 10 N +X ~ 1 0 150 50 D 50 50 1 1 P +X ~ 2 0 -150 50 U 50 50 1 1 P +ENDDRAW +ENDDEF +# +# Device_Transformer_1P_1S +# +DEF Device_Transformer_1P_1S T 0 40 Y N 1 F N +F0 "T" 0 250 50 H V C CNN +F1 "Device_Transformer_1P_1S" 0 -300 50 H V C CNN +F2 "" 0 0 50 H I C CNN +F3 "" 0 0 50 H I C CNN +DRAW +A -100 -150 50 899 1 0 1 0 N -100 -100 -50 -150 +A -100 -150 50 -1 -899 0 1 0 N -50 -150 -100 -199 +A -100 -50 50 899 1 0 1 0 N -100 0 -50 -50 +A -100 -50 50 -1 -899 0 1 0 N -50 -50 -100 -99 +A -100 50 50 899 1 0 1 0 N -100 100 -50 50 +A -100 50 50 -1 -899 0 1 0 N -50 50 -100 1 +A -100 150 50 899 1 0 1 0 N -100 200 -50 150 +A -100 150 50 -1 -899 0 1 0 N -50 150 -100 101 +A 100 -50 50 899 -1799 0 1 0 N 100 0 51 -50 +A 100 -50 50 1799 -899 0 1 0 N 51 -50 100 -99 +A 100 50 50 899 -1799 0 1 0 N 100 100 51 50 +A 100 50 50 1799 -899 0 1 0 N 51 50 100 1 +A 100 150 50 899 -1799 0 1 0 N 100 200 51 150 +A 100 150 50 1799 -899 0 1 0 N 51 150 100 101 +A 101 -150 50 910 -1799 0 1 0 N 101 -100 52 -150 +A 101 -150 50 -912 -1799 0 1 0 N 101 -199 52 -150 +P 2 0 1 0 -25 200 -25 -200 N +P 2 0 1 0 25 -200 25 200 N +X AA 1 -400 200 300 R 50 50 1 1 P +X AB 2 -400 -200 300 R 50 50 1 1 P +X SA 3 400 -200 300 L 50 50 1 1 P +X SB 4 400 200 300 L 50 50 1 1 P +ENDDRAW +ENDDEF +# +# Device_Voltmeter_DC +# +DEF Device_Voltmeter_DC MES 0 1 N N 1 F N +F0 "MES" -130 40 50 H V R CNN +F1 "Device_Voltmeter_DC" -130 -30 50 H V R CNN +F2 "" 0 100 50 V I C CNN +F3 "" 0 100 50 V I C CNN +DRAW +C 0 0 100 0 1 10 N +T 0 0 0 100 0 0 0 V Normal 0 C C +P 2 0 0 0 -125 -125 -75 -75 N +P 2 0 0 0 75 75 125 125 N +P 3 0 0 0 75 125 125 125 125 75 N +P 2 0 1 0 10 150 30 150 N +P 2 0 1 0 20 160 20 140 N +X - 1 0 -200 100 U 50 50 1 1 P +X + 2 0 200 100 D 50 50 1 1 P +ENDDRAW +ENDDEF +# +# Regulator_Linear_LM317_3PinPackage +# +DEF Regulator_Linear_LM317_3PinPackage U 0 10 Y Y 1 F N +F0 "U" -150 125 50 H V C CNN +F1 "Regulator_Linear_LM317_3PinPackage" 0 125 50 H V L CNN +F2 "" 0 250 50 H I C CIN +F3 "" 0 0 50 H I C CNN +ALIAS AZ1117-ADJ +$FPLIST + SOT?223* + SOT?89* + TO?220* + TO?252* + TO?263* +$ENDFPLIST +DRAW +S -200 75 200 -200 0 1 10 f +X ADJ 1 0 -300 100 U 50 50 1 1 I +X VO 2 300 0 100 L 50 50 1 1 w +X VI 3 -300 0 100 R 50 50 1 1 W +ENDDRAW +ENDDEF +# +# Switch_SW_DPST +# +DEF Switch_SW_DPST SW 0 0 Y N 1 F N +F0 "SW" 0 200 50 H V C CNN +F1 "Switch_SW_DPST" 0 -200 50 H V C CNN +F2 "" 0 0 50 H I C CNN +F3 "" 0 0 50 H I C CNN +DRAW +C -80 -100 20 0 0 0 N +C -80 100 20 0 0 0 N +C 80 -100 20 0 0 0 N +C 80 100 20 0 0 0 N +P 2 0 0 0 -60 -90 50 -40 N +P 2 0 0 0 -60 110 50 160 N +P 2 0 0 0 0 -50 0 -25 N +P 2 0 0 0 0 0 0 25 N +P 2 0 0 0 0 50 0 75 N +P 2 0 0 0 0 100 0 125 N +X 1 1 -200 -100 100 R 50 50 1 1 P +X 2 2 200 -100 100 L 50 50 1 1 P +X 3 3 -200 100 100 R 50 50 1 1 P +X 4 4 200 100 100 L 50 50 1 1 P +ENDDRAW +ENDDEF +# +# power_GND +# +DEF power_GND #PWR 0 0 Y Y 1 F P +F0 "#PWR" 0 -250 50 H I C CNN +F1 "power_GND" 0 -150 50 H V C CNN +F2 "" 0 0 50 H I C CNN +F3 "" 0 0 50 H I C CNN +DRAW +P 6 0 1 0 0 0 0 -50 50 -50 0 -100 -50 -50 0 -50 N +X GND 1 0 0 0 D 50 50 1 1 W N +ENDDRAW +ENDDEF +# +#End Library diff --git a/Miscellaneous/12V Lead-Acid battery changer and terminal/KiCad project/KiCad project.kicad_pcb b/Miscellaneous/12V Lead-Acid battery changer and terminal/KiCad project/KiCad project.kicad_pcb new file mode 100644 index 0000000..02c8ecb --- /dev/null +++ b/Miscellaneous/12V Lead-Acid battery changer and terminal/KiCad project/KiCad project.kicad_pcb @@ -0,0 +1 @@ +(kicad_pcb (version 4) (host kicad "dummy file") ) diff --git a/Miscellaneous/12V Lead-Acid battery changer and terminal/KiCad project/KiCad project.pro b/Miscellaneous/12V Lead-Acid battery changer and terminal/KiCad project/KiCad project.pro new file mode 100644 index 0000000..152769c --- /dev/null +++ b/Miscellaneous/12V Lead-Acid battery changer and terminal/KiCad project/KiCad project.pro @@ -0,0 +1,33 @@ +update=22/05/2015 07:44:53 +version=1 +last_client=kicad +[general] +version=1 +RootSch= +BoardNm= +[pcbnew] +version=1 +LastNetListRead= +UseCmpFile=1 +PadDrill=0.600000000000 +PadDrillOvalY=0.600000000000 +PadSizeH=1.500000000000 +PadSizeV=1.500000000000 +PcbTextSizeV=1.500000000000 +PcbTextSizeH=1.500000000000 +PcbTextThickness=0.300000000000 +ModuleTextSizeV=1.000000000000 +ModuleTextSizeH=1.000000000000 +ModuleTextSizeThickness=0.150000000000 +SolderMaskClearance=0.000000000000 +SolderMaskMinWidth=0.000000000000 +DrawSegmentWidth=0.200000000000 +BoardOutlineThickness=0.100000000000 +ModuleOutlineThickness=0.150000000000 +[cvpcb] +version=1 +NetIExt=net +[eeschema] +version=1 +LibDir= +[eeschema/libraries] diff --git a/Miscellaneous/12V Lead-Acid battery changer and terminal/KiCad project/KiCad project.sch b/Miscellaneous/12V Lead-Acid battery changer and terminal/KiCad project/KiCad project.sch new file mode 100644 index 0000000..dbfe687 --- /dev/null +++ b/Miscellaneous/12V Lead-Acid battery changer and terminal/KiCad project/KiCad project.sch @@ -0,0 +1,278 @@ +EESchema Schematic File Version 4 +EELAYER 30 0 +EELAYER END +$Descr A4 11693 8268 +encoding utf-8 +Sheet 1 6 +Title "" +Date "" +Rev "" +Comp "" +Comment1 "" +Comment2 "" +Comment3 "" +Comment4 "" +$EndDescr +$Sheet +S 4300 2600 1050 900 +U 5F09F92C +F0 "transformer board" 50 +F1 "transformer board.sch" 50 +F2 "220V_in1" I L 4300 2800 50 +F3 "220V_in2" I L 4300 3000 50 +F4 "pwr_switch_1" B R 5350 2800 50 +F5 "pwr_switch_2" B R 5350 3000 50 +F6 "+30V" O R 5350 3200 50 +F7 "GND" O R 5350 3400 50 +$EndSheet +$Comp +L Connector:Conn_WallPlug P1 +U 1 1 5F0B857F +P 3800 2900 +F 0 "P1" H 3817 3225 50 0000 C CNN +F 1 "Conn_WallPlug" H 3817 3134 50 0000 C CNN +F 2 "" H 4200 2900 50 0001 C CNN +F 3 "~" H 4200 2900 50 0001 C CNN + 1 3800 2900 + 1 0 0 -1 +$EndComp +$Comp +L power:GND #PWR01 +U 1 1 5F0B8AF8 +P 5450 3500 +F 0 "#PWR01" H 5450 3250 50 0001 C CNN +F 1 "GND" H 5455 3327 50 0000 C CNN +F 2 "" H 5450 3500 50 0001 C CNN +F 3 "" H 5450 3500 50 0001 C CNN + 1 5450 3500 + 1 0 0 -1 +$EndComp +Wire Wire Line + 5450 3500 5450 3400 +Wire Wire Line + 5450 3400 5350 3400 +Wire Wire Line + 4000 2800 4300 2800 +Wire Wire Line + 4000 3000 4300 3000 +$Comp +L Switch:SW_DPST SW1 +U 1 1 5F0BC431 +P 6200 2200 +F 0 "SW1" H 6200 2525 50 0000 C CNN +F 1 "SW_DPST" H 6200 2434 50 0000 C CNN +F 2 "" H 6200 2200 50 0001 C CNN +F 3 "~" H 6200 2200 50 0001 C CNN + 1 6200 2200 + 1 0 0 -1 +$EndComp +$Sheet +S 7200 3050 600 300 +U 5F0BCD3F +F0 "current limiter" 50 +F1 "current limiter.sch" 50 +F2 "V_in" I L 7200 3200 50 +F3 "V_out" O R 7800 3200 50 +$EndSheet +$Sheet +S 5900 3100 600 350 +U 5F0C4B8D +F0 "DC2DC step down" 50 +F1 "DC2DC step down.sch" 50 +F2 "V_in" I L 5900 3200 50 +F3 "V_out" I R 6500 3200 50 +F4 "GND" B L 5900 3350 50 +$EndSheet +Wire Wire Line + 6500 3200 7200 3200 +Wire Wire Line + 7800 3200 8300 3200 +Wire Wire Line + 8300 3200 8300 3300 +Wire Wire Line + 8300 3700 7000 3700 +Wire Wire Line + 7000 3700 7000 4150 +Wire Wire Line + 7000 4150 7200 4150 +$Sheet +S 8950 3050 1400 800 +U 5F0CC4B7 +F0 "connector terminal" 50 +F1 "connector terminal.sch" 50 +F2 "5V" I L 8950 3150 50 +F3 "13V" I L 8950 3300 50 +F4 "GND" I L 8950 3450 50 +F5 "Battery" B L 8950 3600 50 +$EndSheet +Wire Wire Line + 7800 4150 8650 4150 +Wire Wire Line + 8650 4150 8650 3150 +Wire Wire Line + 8650 3150 8950 3150 +Wire Wire Line + 8950 3300 8300 3300 +Connection ~ 8300 3300 +Wire Wire Line + 8300 3300 8300 3700 +$Comp +L power:GND #PWR019 +U 1 1 5F170709 +P 8800 3700 +F 0 "#PWR019" H 8800 3450 50 0001 C CNN +F 1 "GND" H 8805 3527 50 0000 C CNN +F 2 "" H 8800 3700 50 0001 C CNN +F 3 "" H 8800 3700 50 0001 C CNN + 1 8800 3700 + 1 0 0 -1 +$EndComp +Wire Wire Line + 8500 3600 8950 3600 +Wire Wire Line + 8800 3700 8800 3450 +Wire Wire Line + 8800 3450 8950 3450 +Wire Wire Line + 6000 2100 5850 2100 +Wire Wire Line + 5850 2100 5850 1750 +Connection ~ 8300 3200 +$Comp +L Device:Voltmeter_DC MES1 +U 1 1 5F175320 +P 8300 4600 +F 0 "MES1" H 8453 4646 50 0000 L CNN +F 1 "Voltmeter_DC" H 8453 4555 50 0000 L CNN +F 2 "" V 8300 4700 50 0001 C CNN +F 3 "~" V 8300 4700 50 0001 C CNN + 1 8300 4600 + 1 0 0 -1 +$EndComp +$Comp +L Device:Voltmeter_DC MES2 +U 1 1 5F1764EC +P 9200 4650 +F 0 "MES2" H 9353 4696 50 0000 L CNN +F 1 "Voltmeter_DC" H 9353 4605 50 0000 L CNN +F 2 "" V 9200 4750 50 0001 C CNN +F 3 "~" V 9200 4750 50 0001 C CNN + 1 9200 4650 + 1 0 0 -1 +$EndComp +Wire Wire Line + 8300 5000 8300 4800 +Wire Wire Line + 8300 4400 8300 3700 +Connection ~ 8300 3700 +Wire Wire Line + 8650 4150 9200 4150 +Wire Wire Line + 9200 4150 9200 4450 +Connection ~ 8650 4150 +$Sheet +S 7200 4050 600 350 +U 5F182C5C +F0 "sheet5F182C5C" 50 +F1 "DC2DC step down.sch" 50 +F2 "V_in" I L 7200 4150 50 +F3 "V_out" I R 7800 4150 50 +F4 "GND" B L 7200 4300 50 +$EndSheet +$Comp +L power:GND #PWR022 +U 1 1 5F1843C4 +P 7050 4400 +F 0 "#PWR022" H 7050 4150 50 0001 C CNN +F 1 "GND" H 7055 4227 50 0000 C CNN +F 2 "" H 7050 4400 50 0001 C CNN +F 3 "" H 7050 4400 50 0001 C CNN + 1 7050 4400 + 1 0 0 -1 +$EndComp +Wire Wire Line + 7050 4400 7050 4300 +Wire Wire Line + 7050 4300 7200 4300 +$Comp +L power:GND #PWR021 +U 1 1 5F184BC7 +P 5750 3450 +F 0 "#PWR021" H 5750 3200 50 0001 C CNN +F 1 "GND" H 5755 3277 50 0000 C CNN +F 2 "" H 5750 3450 50 0001 C CNN +F 3 "" H 5750 3450 50 0001 C CNN + 1 5750 3450 + 1 0 0 -1 +$EndComp +Wire Wire Line + 5750 3450 5750 3350 +Wire Wire Line + 5750 3350 5900 3350 +Text Label 7100 3200 0 50 ~ 0 +5 +Text Label 7850 3200 0 50 ~ 0 +6 +Text Label 5400 3400 0 50 ~ 0 +1 +Text Label 5400 3200 0 50 ~ 0 +2 +Text Label 5900 2100 0 50 ~ 0 +3 +Text Label 6500 2100 0 50 ~ 0 +4 +Text Label 8850 3600 0 50 ~ 0 +7 +Text Label 8850 3300 0 50 ~ 0 +8 +Text Label 8850 3450 0 50 ~ 0 +9 +Text Label 8850 3150 0 50 ~ 0 +10 +Text Label 9200 4300 0 50 ~ 0 +11 +Text Label 8300 4250 0 50 ~ 0 +12 +Wire Wire Line + 8300 5000 8800 5000 +Wire Wire Line + 9200 5000 9200 4850 +$Comp +L power:GND #PWR? +U 1 1 5F1901DC +P 8800 5200 +F 0 "#PWR?" H 8800 4950 50 0001 C CNN +F 1 "GND" H 8805 5027 50 0000 C CNN +F 2 "" H 8800 5200 50 0001 C CNN +F 3 "" H 8800 5200 50 0001 C CNN + 1 8800 5200 + 1 0 0 -1 +$EndComp +Wire Wire Line + 8800 5200 8800 5000 +Connection ~ 8800 5000 +Wire Wire Line + 8800 5000 9200 5000 +Text Label 8800 5150 0 50 ~ 0 +13 +Wire Wire Line + 5350 3200 5900 3200 +Wire Wire Line + 5900 2800 5900 2300 +Wire Wire Line + 5900 2300 6000 2300 +Wire Wire Line + 5350 2800 5900 2800 +Wire Wire Line + 6400 3000 6400 2300 +Wire Wire Line + 5350 3000 6400 3000 +Wire Wire Line + 6400 2100 8500 2100 +Wire Wire Line + 8500 2100 8500 3600 +Wire Wire Line + 5850 1750 8300 1750 +Wire Wire Line + 8300 1750 8300 3200 +$EndSCHEMATC diff --git a/Miscellaneous/12V Lead-Acid battery changer and terminal/KiCad project/KiCad project.sch-bak b/Miscellaneous/12V Lead-Acid battery changer and terminal/KiCad project/KiCad project.sch-bak new file mode 100644 index 0000000..ff59789 --- /dev/null +++ b/Miscellaneous/12V Lead-Acid battery changer and terminal/KiCad project/KiCad project.sch-bak @@ -0,0 +1,276 @@ +EESchema Schematic File Version 4 +EELAYER 30 0 +EELAYER END +$Descr A4 11693 8268 +encoding utf-8 +Sheet 1 6 +Title "" +Date "" +Rev "" +Comp "" +Comment1 "" +Comment2 "" +Comment3 "" +Comment4 "" +$EndDescr +$Sheet +S 3850 2600 1050 900 +U 5F09F92C +F0 "transformer board" 50 +F1 "transformer board.sch" 50 +F2 "220V_in1" I L 3850 2800 50 +F3 "220V_in2" I L 3850 3000 50 +F4 "pwr_switch_1" B R 4900 2800 50 +F5 "pwr_switch_2" B R 4900 3000 50 +F6 "+30V" O R 4900 3200 50 +F7 "GND" O R 4900 3400 50 +$EndSheet +$Comp +L Connector:Conn_WallPlug P1 +U 1 1 5F0B857F +P 3350 2900 +F 0 "P1" H 3367 3225 50 0000 C CNN +F 1 "Conn_WallPlug" H 3367 3134 50 0000 C CNN +F 2 "" H 3750 2900 50 0001 C CNN +F 3 "~" H 3750 2900 50 0001 C CNN + 1 3350 2900 + 1 0 0 -1 +$EndComp +$Comp +L power:GND #PWR01 +U 1 1 5F0B8AF8 +P 5000 3500 +F 0 "#PWR01" H 5000 3250 50 0001 C CNN +F 1 "GND" H 5005 3327 50 0000 C CNN +F 2 "" H 5000 3500 50 0001 C CNN +F 3 "" H 5000 3500 50 0001 C CNN + 1 5000 3500 + 1 0 0 -1 +$EndComp +Wire Wire Line + 5000 3500 5000 3400 +Wire Wire Line + 5000 3400 4900 3400 +Wire Wire Line + 3550 2800 3850 2800 +Wire Wire Line + 3550 3000 3850 3000 +$Comp +L Switch:SW_DPST SW1 +U 1 1 5F0BC431 +P 5300 2100 +F 0 "SW1" H 5300 2425 50 0000 C CNN +F 1 "SW_DPST" H 5300 2334 50 0000 C CNN +F 2 "" H 5300 2100 50 0001 C CNN +F 3 "~" H 5300 2100 50 0001 C CNN + 1 5300 2100 + 1 0 0 -1 +$EndComp +Wire Wire Line + 4900 2800 5100 2800 +Wire Wire Line + 5100 2800 5100 2200 +Wire Wire Line + 4900 3000 5500 3000 +Wire Wire Line + 5500 3000 5500 2200 +$Sheet +S 7200 3050 600 300 +U 5F0BCD3F +F0 "current limiter" 50 +F1 "current limiter.sch" 50 +F2 "V_in" I L 7200 3200 50 +F3 "V_out" O R 7800 3200 50 +$EndSheet +$Sheet +S 5900 3100 600 350 +U 5F0C4B8D +F0 "DC2DC step down" 50 +F1 "DC2DC step down.sch" 50 +F2 "V_in" I L 5900 3200 50 +F3 "V_out" I R 6500 3200 50 +F4 "GND" B L 5900 3350 50 +$EndSheet +Wire Wire Line + 4900 3200 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4900 3400 4900 3250 +Connection ~ 4900 3250 +$Comp +L power:GND #PWR013 +U 1 1 5F0DE55B +P 4900 3800 +F 0 "#PWR013" H 4900 3550 50 0001 C CNN +F 1 "GND" H 4905 3627 50 0000 C CNN +F 2 "" H 4900 3800 50 0001 C CNN +F 3 "" H 4900 3800 50 0001 C CNN + 1 4900 3800 + 1 0 0 -1 +$EndComp +Wire Wire Line + 4900 3800 4900 3700 +$Comp +L Device:C C6 +U 1 1 5F0DE566 +P 5250 3200 +F 0 "C6" H 5365 3246 50 0000 L CNN +F 1 "C" H 5365 3155 50 0000 L CNN +F 2 "" H 5288 3050 50 0001 C CNN +F 3 "~" H 5250 3200 50 0001 C CNN + 1 5250 3200 + 1 0 0 -1 +$EndComp +Wire Wire Line + 5250 3050 4750 3050 +Connection ~ 4750 3050 +$Comp +L power:GND #PWR016 +U 1 1 5F0DE572 +P 5250 3450 +F 0 "#PWR016" H 5250 3200 50 0001 C CNN +F 1 "GND" H 5255 3277 50 0000 C CNN +F 2 "" H 5250 3450 50 0001 C CNN +F 3 "" H 5250 3450 50 0001 C CNN + 1 5250 3450 + 1 0 0 -1 +$EndComp +Wire Wire Line + 5250 3450 5250 3350 +Wire Wire Line + 3150 2550 2350 2550 +Wire Wire Line + 2350 2550 2350 950 +Connection ~ 3150 2550 +Connection ~ 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CNN +F 3 "" H 2750 5300 50 0001 C CNN + 1 2750 5300 + 1 0 0 -1 +$EndComp +$Comp +L power:GND #PWR08 +U 1 1 5F10B6E0 +P 3550 5300 +F 0 "#PWR08" H 3550 5050 50 0001 C CNN +F 1 "GND" H 3555 5127 50 0000 C CNN +F 2 "" H 3550 5300 50 0001 C CNN +F 3 "" H 3550 5300 50 0001 C CNN + 1 3550 5300 + 1 0 0 -1 +$EndComp +Wire Wire Line + 2750 5300 2750 5250 +Wire Wire Line + 3550 5300 3550 5250 +Wire Wire Line + 4100 4300 4100 4850 +Wire Wire Line + 4100 4850 3850 4850 +Connection ~ 3850 4850 +$Comp +L Connector:USB_A J9 +U 1 1 5F10B6F3 +P 4350 4850 +F 0 "J9" H 4407 5317 50 0000 C CNN +F 1 "USB_A" H 4407 5226 50 0000 C CNN +F 2 "" H 4500 4800 50 0001 C CNN +F 3 " ~" H 4500 4800 50 0001 C CNN + 1 4350 4850 + 1 0 0 -1 +$EndComp +Wire Wire Line + 4650 4850 4650 4950 +Wire Wire Line + 4750 4150 4750 4650 +Wire Wire Line + 4750 4650 4650 4650 +$Comp +L power:GND #PWR011 +U 1 1 5F10B701 +P 4350 5300 +F 0 "#PWR011" H 4350 5050 50 0001 C CNN +F 1 "GND" H 4355 5127 50 0000 C CNN +F 2 "" H 4350 5300 50 0001 C CNN +F 3 "" H 4350 5300 50 0001 C CNN + 1 4350 5300 + 1 0 0 -1 +$EndComp +Wire Wire Line + 4350 5300 4350 5250 +Wire Wire Line + 4100 4300 4900 4300 +Wire Wire Line + 4900 4300 4900 4850 +Wire Wire Line + 4900 4850 4650 4850 +Connection ~ 4650 4850 +Connection ~ 3950 4150 +Connection ~ 4100 4300 +Wire Wire Line + 3450 5250 3450 5600 +Wire Wire Line + 3450 5600 4250 5600 +Wire Wire Line + 4250 5600 4250 5250 +$Comp +L Device:C C4 +U 1 1 5F10B718 +P 4900 5150 +F 0 "C4" H 5015 5196 50 0000 L CNN +F 1 "C" H 5015 5105 50 0000 L CNN +F 2 "" H 4938 5000 50 0001 C CNN +F 3 "~" H 4900 5150 50 0001 C CNN + 1 4900 5150 + 1 0 0 -1 +$EndComp +Wire Wire Line + 4900 5000 4900 4850 +Connection ~ 4900 4850 +$Comp +L power:GND #PWR014 +U 1 1 5F10B724 +P 4900 5400 +F 0 "#PWR014" H 4900 5150 50 0001 C CNN +F 1 "GND" H 4905 5227 50 0000 C CNN +F 2 "" H 4900 5400 50 0001 C CNN +F 3 "" H 4900 5400 50 0001 C CNN + 1 4900 5400 + 1 0 0 -1 +$EndComp +Wire Wire Line + 4900 5400 4900 5300 +$Comp +L Device:C C7 +U 1 1 5F10B72F +P 5250 4800 +F 0 "C7" H 5365 4846 50 0000 L CNN +F 1 "C" H 5365 4755 50 0000 L CNN +F 2 "" H 5288 4650 50 0001 C CNN +F 3 "~" H 5250 4800 50 0001 C CNN + 1 5250 4800 + 1 0 0 -1 +$EndComp +Wire Wire Line + 5250 4650 4750 4650 +Connection ~ 4750 4650 +$Comp +L power:GND #PWR017 +U 1 1 5F10B73B +P 5250 5050 +F 0 "#PWR017" H 5250 4800 50 0001 C CNN +F 1 "GND" H 5255 4877 50 0000 C CNN +F 2 "" H 5250 5050 50 0001 C CNN +F 3 "" H 5250 5050 50 0001 C CNN + 1 5250 5050 + 1 0 0 -1 +$EndComp +Wire Wire Line + 5250 5050 5250 4950 +Wire Wire Line + 2350 4150 2350 2550 +Wire Wire Line + 2200 4300 2200 2700 +Connection ~ 2200 2700 +Connection ~ 2350 2550 +Wire Wire Line + 2350 4150 3950 4150 +Wire Wire Line + 3950 4150 4750 4150 +Wire Wire Line + 2200 4300 4100 4300 +Wire Wire Line + 1350 4400 3200 4400 +Wire Wire Line + 3200 4400 3200 4850 +Wire Wire Line + 3200 4850 3050 4850 +Connection ~ 3050 4850 +Wire Wire Line + 2650 2400 2050 2400 +Wire Wire Line + 2050 2400 2050 4000 +Wire Wire Line + 2050 4000 2650 4000 +Connection ~ 2650 2400 +Connection ~ 2650 4000 +Wire Wire Line + 2650 4000 3450 4000 +Wire Wire Line + 2050 4000 2050 5600 +Wire Wire Line + 2050 5600 3450 5600 +Connection ~ 2050 4000 +Connection ~ 3450 5600 +$EndSCHEMATC diff --git a/Miscellaneous/12V Lead-Acid battery changer and terminal/KiCad project/current limiter.sch b/Miscellaneous/12V Lead-Acid battery changer and terminal/KiCad project/current limiter.sch new file mode 100644 index 0000000..df0847b --- /dev/null +++ b/Miscellaneous/12V Lead-Acid battery changer and terminal/KiCad project/current limiter.sch @@ -0,0 +1,59 @@ +EESchema Schematic File Version 4 +EELAYER 30 0 +EELAYER END +$Descr A4 11693 8268 +encoding utf-8 +Sheet 3 6 +Title "" +Date "" +Rev "" +Comp "" +Comment1 "" +Comment2 "" +Comment3 "" +Comment4 "" +$EndDescr +$Comp +L Regulator_Linear:LM317_3PinPackage U1 +U 1 1 5F0BD4FF +P 4900 3200 +AR Path="/5F0BCD3F/5F0BD4FF" Ref="U1" Part="1" +AR Path="/5F0CA509/5F0BD4FF" Ref="U2" Part="1" +F 0 "U1" H 4900 3442 50 0000 C CNN +F 1 "LM317_3PinPackage" H 4900 3351 50 0000 C CNN +F 2 "" H 4900 3450 50 0001 C CIN +F 3 "http://www.ti.com/lit/ds/symlink/lm317.pdf" H 4900 3200 50 0001 C CNN + 1 4900 3200 + 1 0 0 -1 +$EndComp +Text HLabel 4500 3200 0 50 Input ~ 0 +V_in +Text HLabel 5800 3200 2 50 Output ~ 0 +V_out +Wire Wire Line + 4500 3200 4600 3200 +$Comp +L Device:R R1 +U 1 1 5F0BDA63 +P 5500 3200 +AR Path="/5F0BCD3F/5F0BDA63" Ref="R1" Part="1" +AR Path="/5F0CA509/5F0BDA63" Ref="R2" Part="1" +F 0 "R1" V 5293 3200 50 0000 C CNN +F 1 "4.7" V 5384 3200 50 0000 C CNN +F 2 "" V 5430 3200 50 0001 C CNN +F 3 "~" H 5500 3200 50 0001 C CNN + 1 5500 3200 + 0 1 1 0 +$EndComp +Wire Wire Line + 5200 3200 5350 3200 +Wire Wire Line + 5650 3200 5700 3200 +Wire Wire Line + 4900 3500 5700 3500 +Wire Wire Line + 5700 3500 5700 3200 +Connection ~ 5700 3200 +Wire Wire Line + 5700 3200 5800 3200 +$EndSCHEMATC diff --git a/Miscellaneous/12V Lead-Acid battery changer and terminal/KiCad project/current limiter.sch-bak b/Miscellaneous/12V Lead-Acid battery changer and terminal/KiCad project/current limiter.sch-bak new file mode 100644 index 0000000..df0847b --- /dev/null +++ b/Miscellaneous/12V Lead-Acid battery changer and terminal/KiCad project/current limiter.sch-bak @@ -0,0 +1,59 @@ +EESchema Schematic File Version 4 +EELAYER 30 0 +EELAYER END +$Descr A4 11693 8268 +encoding utf-8 +Sheet 3 6 +Title "" +Date "" +Rev "" +Comp "" +Comment1 "" +Comment2 "" +Comment3 "" +Comment4 "" +$EndDescr +$Comp +L Regulator_Linear:LM317_3PinPackage U1 +U 1 1 5F0BD4FF +P 4900 3200 +AR Path="/5F0BCD3F/5F0BD4FF" Ref="U1" Part="1" +AR Path="/5F0CA509/5F0BD4FF" Ref="U2" Part="1" +F 0 "U1" H 4900 3442 50 0000 C CNN +F 1 "LM317_3PinPackage" H 4900 3351 50 0000 C CNN +F 2 "" H 4900 3450 50 0001 C CIN +F 3 "http://www.ti.com/lit/ds/symlink/lm317.pdf" H 4900 3200 50 0001 C CNN + 1 4900 3200 + 1 0 0 -1 +$EndComp +Text HLabel 4500 3200 0 50 Input ~ 0 +V_in +Text HLabel 5800 3200 2 50 Output ~ 0 +V_out +Wire Wire Line + 4500 3200 4600 3200 +$Comp +L Device:R R1 +U 1 1 5F0BDA63 +P 5500 3200 +AR Path="/5F0BCD3F/5F0BDA63" Ref="R1" Part="1" +AR Path="/5F0CA509/5F0BDA63" Ref="R2" Part="1" +F 0 "R1" V 5293 3200 50 0000 C CNN +F 1 "4.7" V 5384 3200 50 0000 C CNN +F 2 "" V 5430 3200 50 0001 C CNN +F 3 "~" H 5500 3200 50 0001 C CNN + 1 5500 3200 + 0 1 1 0 +$EndComp +Wire Wire Line + 5200 3200 5350 3200 +Wire Wire Line + 5650 3200 5700 3200 +Wire Wire Line + 4900 3500 5700 3500 +Wire Wire Line + 5700 3500 5700 3200 +Connection ~ 5700 3200 +Wire Wire Line + 5700 3200 5800 3200 +$EndSCHEMATC diff --git a/Miscellaneous/12V Lead-Acid battery changer and terminal/KiCad project/transformer board.sch b/Miscellaneous/12V Lead-Acid battery changer and terminal/KiCad project/transformer board.sch new file mode 100644 index 0000000..e5b2147 --- /dev/null +++ b/Miscellaneous/12V Lead-Acid battery changer and terminal/KiCad project/transformer board.sch @@ -0,0 +1,91 @@ +EESchema Schematic File Version 4 +EELAYER 30 0 +EELAYER END +$Descr A4 11693 8268 +encoding utf-8 +Sheet 2 6 +Title "" +Date "" +Rev "" +Comp "" +Comment1 "" +Comment2 "" +Comment3 "" +Comment4 "" +$EndDescr +$Comp +L Device:Transformer_1P_1S T1 +U 1 1 5F0A03C9 +P 3000 2450 +F 0 "T1" H 3000 2831 50 0000 C CNN +F 1 "Transformer_1P_1S" H 3000 2740 50 0000 C CNN +F 2 "" H 3000 2450 50 0001 C CNN +F 3 "~" H 3000 2450 50 0001 C CNN + 1 3000 2450 + 1 0 0 -1 +$EndComp +Text HLabel 2400 2250 0 50 Input ~ 0 +220V_in1 +Text HLabel 2400 2650 0 50 Input ~ 0 +220V_in2 +Wire Wire Line + 2400 2250 2600 2250 +Wire Wire Line + 2400 2650 2600 2650 +$Comp +L Device:D_Bridge_+-AA D1 +U 1 1 5F0A2269 +P 4350 2450 +F 0 "D1" H 4694 2496 50 0000 L CNN +F 1 "D_Bridge_+-AA" H 4694 2405 50 0000 L CNN +F 2 "" H 4350 2450 50 0001 C CNN +F 3 "~" H 4350 2450 50 0001 C CNN + 1 4350 2450 + 1 0 0 -1 +$EndComp +Text HLabel 3950 1650 1 50 BiDi ~ 0 +pwr_switch_1 +Text HLabel 4350 1650 1 50 BiDi ~ 0 +pwr_switch_2 +Wire Wire Line + 3400 2650 3400 2750 +Wire Wire Line + 3400 2750 4350 2750 +$Comp +L Device:C C1 +U 1 1 5F0A590C +P 5500 2700 +F 0 "C1" H 5615 2746 50 0000 L CNN +F 1 "C" H 5615 2655 50 0000 L CNN +F 2 "" H 5538 2550 50 0001 C CNN +F 3 "~" H 5500 2700 50 0001 C CNN + 1 5500 2700 + 1 0 0 -1 +$EndComp +Wire Wire Line + 4050 2450 4050 3050 +Wire Wire Line + 4050 3050 5500 3050 +Wire Wire Line + 5500 3050 5500 2850 +Wire Wire Line + 4650 2450 5500 2450 +Wire Wire Line + 5500 2450 5500 2550 +Text HLabel 5800 2450 2 50 Output ~ 0 ++30V +Wire Wire Line + 5800 2450 5500 2450 +Connection ~ 5500 2450 +Text HLabel 5800 3050 2 50 Output ~ 0 +GND +Wire Wire Line + 5500 3050 5800 3050 +Connection ~ 5500 3050 +Wire Wire Line + 4350 2150 4350 1650 +Wire Wire Line + 3950 2250 3950 1650 +Wire Wire Line + 3400 2250 3950 2250 +$EndSCHEMATC diff --git a/Miscellaneous/12V Lead-Acid battery changer and terminal/KiCad project/transformer board.sch-bak b/Miscellaneous/12V Lead-Acid battery changer and terminal/KiCad project/transformer board.sch-bak new file mode 100644 index 0000000..e5b2147 --- /dev/null +++ b/Miscellaneous/12V Lead-Acid battery changer and terminal/KiCad project/transformer board.sch-bak @@ -0,0 +1,91 @@ +EESchema Schematic File Version 4 +EELAYER 30 0 +EELAYER END +$Descr A4 11693 8268 +encoding utf-8 +Sheet 2 6 +Title "" +Date "" +Rev "" +Comp "" +Comment1 "" +Comment2 "" +Comment3 "" +Comment4 "" +$EndDescr +$Comp +L Device:Transformer_1P_1S T1 +U 1 1 5F0A03C9 +P 3000 2450 +F 0 "T1" H 3000 2831 50 0000 C CNN +F 1 "Transformer_1P_1S" H 3000 2740 50 0000 C CNN +F 2 "" H 3000 2450 50 0001 C CNN +F 3 "~" H 3000 2450 50 0001 C CNN + 1 3000 2450 + 1 0 0 -1 +$EndComp +Text HLabel 2400 2250 0 50 Input ~ 0 +220V_in1 +Text HLabel 2400 2650 0 50 Input ~ 0 +220V_in2 +Wire Wire Line + 2400 2250 2600 2250 +Wire Wire Line + 2400 2650 2600 2650 +$Comp +L Device:D_Bridge_+-AA D1 +U 1 1 5F0A2269 +P 4350 2450 +F 0 "D1" H 4694 2496 50 0000 L CNN +F 1 "D_Bridge_+-AA" H 4694 2405 50 0000 L CNN +F 2 "" H 4350 2450 50 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2250 +$EndSCHEMATC diff --git a/Miscellaneous/12V Lead-Acid battery changer and terminal/body and covers/body and covers.FCStd b/Miscellaneous/12V Lead-Acid battery changer and terminal/body and covers/body and covers.FCStd new file mode 100644 index 0000000..7fadd39 Binary files /dev/null and b/Miscellaneous/12V Lead-Acid battery changer and terminal/body and covers/body and covers.FCStd differ diff --git a/Miscellaneous/12V Lead-Acid battery changer and terminal/body and covers/body, 1.png b/Miscellaneous/12V Lead-Acid battery changer and terminal/body and covers/body, 1.png new file mode 100644 index 0000000..837e49d Binary files /dev/null and b/Miscellaneous/12V Lead-Acid battery changer and terminal/body and covers/body, 1.png differ diff --git a/Miscellaneous/12V Lead-Acid battery changer and terminal/body and covers/body, 2.png b/Miscellaneous/12V Lead-Acid battery changer and terminal/body and covers/body, 2.png new file mode 100644 index 0000000..7a0be94 Binary files /dev/null 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+

Battery charger and dual power supply unit

+ +
+

1 General

+
+ +
+
+ +
+

2 Project description

+
+

+I needed dual voltage power supply for my lab that runs on mains +electricity (wall power) and slowly charges (use-changing) attached +12V Lead-Acid battery. Lead-acid battery in turn provides high current +when needed as well as power in portable situations or when mains +electricity is not available. +

+ + +
+

make.png +

+
+ +

+Power supply provides about 13 Volts and 5 Volts simultaneously. +

+ +

+!!!WARNING!!! Alternative and incompatible USB wiring/layout is +being used here. +

+ +

+Normal USB devices and cables should not be plugged in! It would +damage device/cable and likely power supply. +

+ +

+I found USB-A connectors to be easily available, cheap, reliable and +functional, so I re-purposed connector for my own needs but I'm using +totally incompatible electrical wiring. +

+ + +
+

schematic.png +

+
+ +

+As seen, it has dual voltage output. Additionally one wire is +dedicated to data transmission and can be used with 1-Wire protocol +

+ +

+1-Wire data router/hub is really simple. Power supply simply passively +links all data wires together. +

+ +

+Power supply uses 3D printed body with lots of holes, for fanless +cooling. +

+ + +
+

body,%201.png +

+
+ +

+Various modules are realized on top of prototype PCBs that slide into +dedicated rails within the body. +

+ + +
+

body,%202.png +

+
+ +

+Like this: +

+ + +
+

make,%202.png +

+
+ +

+When cover is closed, it blocks PCB movement: +

+ + +
+

cover.png +

+
+ +

+There is still some empty space inside, so why not add dummy cover on +top that can be replaced later with add-on functionality/expansion +board/terminal :) +

+ + +
+

cover%20cover.png +

+
+ +

+Download: +

+ +
+
+ +
+

3 Transformer and AC to DC converter

+
+

+This is where high voltage from mains electricity enters the system. +

+ +

+Schematic: +schematic.png +

+ +

+For safety I kept high voltage section as minimal as possible. That +is, wall plug runs straight into transformer. Also I used UV hardening +glue for extra safety and isolation on PCB. +

+ +

+Power on/off switch operates on already reduced voltage of about 30 +volts. Power switch is located on indicator panel. +

+ + +
+

make,%201.png +

+
+ +

+DC current of about 30 volts is then routed to Main board. +

+ + +
+

make,%202.png +

+
+ +

+Single sided prototype PCB is used. +

+
+
+ +
+

4 Main board

+
+

+This is logically main board because it appears to be central hub that +connects all components. It also houses 2 adjustable DC-DC Step Down +voltage converters. +

+ + +
+

main%20board,%201.png +

+
+ +

+High-level schematic of entire device: +schematic.png +

+ +

+As seen from schematic, ~30 volts DC from transformer board is routed +into first step-down converter that reduces it to about 15V. Reduced +voltage is then directed to Current limiter circuit. Current limiter +loses about 2 volts. Now we have current and voltage limited power at +about 13 volts. This power is used to charge connected 12V Lead-Acid +battery. Also the same power is routed to connector terminal to be +consumed by connected devices. +

+ +

+As seen from this schematic, device is not meant to provide high +current for long periods of time. Instead it gets comparatively +limited current to charge the battery and feed devices with low +current requirements. Occasional current spikes are backed up by +battery that stays in use-changing mode. +

+ +

+Also about 13V output voltage is approximate and depends on connected +battery charge level. +

+ +

+Second Step-Down converter reduces voltage even further to quite +precisely 5V DC. This resulting voltage is also routed to connector +terminal. +

+ +

+Both 13V and 5V lines are also routed to indicator panel for +monitoring. +

+ +

+There is single on/off switch. In off position, it disconnects battery +and transformer from the system effectively powering everything down. +

+ +

+On schematic above, some wires are annotated with numbers from 1 +to 13. This corresponds to output pins on the board. +

+ + +
+

main%20board,%202.png +

+
+
+
+
+

5 Current limiter

+
+

+Schematic: +schematic.png +

+ +

+Simple LM317 based current limiter is used. I used 4.7 ohm +resistor. It provides about 265 milliamps of current. See calculator. +

+ + +
+

current%20limiter,%201.png +

+
+ +

+Thermal paste below and UV hardening glue on top is used to attach +LM317 to the heatsink. There is also jumper-like solution on top +right. This is handy to attach multimeter tap to verify/monitor +current during initial device calibration. +

+ +

+If attached battery is really empty, significant voltage drop can +occur in LM317. Heatsink is needed to dissipate that power. +

+ + +
+

current%20limiter,%202.png +

+
+ +

+Note: resistor gets hot too. +

+
+
+ +
+

6 Indicator panel

+
+ +
+

indicator%20panel,%201.png +

+
+ +

+Basically 2 digital DC voltmeters and main on/off switch. +

+ + +
+

indicator%20panel,%202.png +

+
+ +

+Download: +

+ + +
+

indicator%20panel.png +

+
+ + +
+
+ +
+

7 Connector terminal

+
+

+Schematic: +schematic.png +

+ +

+As seen above, most of the USB connectors are used to deliver dual +power output and 1-wire data connectivity, except one on the bottom +right. This is used to attach 12V battery. Some capacitors are thrown +in as well to stabilize against smaller current spikes. +

+ +

+Electrically schematic is realized using smaller prototype PCBs. +

+ + +
+

make,%201.png +

+
+ + +

+Those PCBs are wired to central small PCB that acts as a hub: +

+ + +
+

make,%202.png +

+
+ +

+PCBs are held together by being sandwiched between front panel: +

+ + +
+

front%20panel.png +

+
+ +

+and smaller back-end plate: +

+ + +
+

back%20panel.png +

+
+ +

+Result: +

+ + +
+

make,%203.png +

+
+ + +

+Download: +

+ +
+
+ +
+

8 Calibration

+
+

+Since device uses adjustable step-down modules, these need to be +calibrated to provide correct output voltage. It is important that +battery receives proper charging voltage otherwise either no charging +occurs or battery starts gassing out and gets destroyed. +

+ +

+See here for more details: https://www.powerstream.com/SLA.htm +

+ +
+ +

+Happy building! :) +

+
+
+
+
+ + + diff --git a/Miscellaneous/12V Lead-Acid battery changer and terminal/index.org b/Miscellaneous/12V Lead-Acid battery changer and terminal/index.org new file mode 100644 index 0000000..d14cca2 --- /dev/null +++ b/Miscellaneous/12V Lead-Acid battery changer and terminal/index.org @@ -0,0 +1,253 @@ +#+TITLE: Battery charger and dual power supply unit +#+AUTHOR: Svjatoslav Agejenko +#+LANGUAGE: en + +* (document settings) :noexport: +** use dark style for TWBS-HTML exporter +#+HTML_HEAD: +#+HTML_HEAD: +#+HTML_HEAD: +#+HTML_HEAD: + +* General ++ DISCLAIMER: I DO ELECTRONICS AND 3D DESIGN SOLELY AS A HOBBY. THERE + COULD BE ERRORS THAT CAN RESULT IN ALL KINDS OF DAMAGE. USE THESE + DESIGNS AT YOUR OWN RISK. + ++ This design is released under Creative Commons Zero (CC0) license. + ++ Authors: + - Svjatoslav Agejenko + - Homepage: https://svjatoslav.eu + - Email: [[mailto://svjatoslav@svjatoslav.eu][svjatoslav@svjatoslav.eu]] + + - Valeria Agejenko + ++ See also: + - [[../../index.html][Other physical projects in this repository]] + - [[https://www.svjatoslav.eu/projects/][Other projects hosted at svjatoslav.eu]] + +* Project description +I needed dual voltage power supply for my lab that runs on mains +electricity (wall power) and slowly charges (use-changing) attached +12V Lead-Acid battery. Lead-acid battery in turn provides high current +when needed as well as power in portable situations or when mains +electricity is not available. + +[[file:make.png]] + +Power supply provides about 13 Volts and 5 Volts simultaneously. + +*!!!WARNING!!!* [[../alternative%20USB%20layout/][Alternative and incompatible USB wiring/layout]] is +being used here. + +*Normal USB devices and cables should not be plugged in! It would +damage device/cable and likely power supply.* + +I found USB-A connectors to be easily available, cheap, reliable and +functional, so I re-purposed connector for my own needs but I'm using +totally incompatible electrical wiring. + +[[file:../alternative%20USB%20layout/schematic.png]] + +As seen, it has dual voltage output. Additionally one wire is +dedicated to data transmission and can be used with [[https://en.wikipedia.org/wiki/1-Wire][1-Wire]] protocol + +1-Wire data router/hub is really simple. Power supply simply passively +links all data wires together. + +Power supply uses 3D printed body with lots of holes, for fanless +cooling. + +[[file:body%20and%20covers/body,%201.png]] + +Various modules are realized on top of prototype PCBs that slide into +dedicated rails within the body. + +[[file:body%20and%20covers/body,%202.png]] + +Like this: + +[[file:make,%202.png]] + +When cover is closed, it blocks PCB movement: + +[[file:body%20and%20covers/cover.png]] + +There is still some empty space inside, so why not add dummy cover on +top that can be replaced later with add-on functionality/expansion +board/terminal :) + +[[file:body%20and%20covers/cover%20cover.png]] + +Download: ++ [[file:body%20and%20covers/body.stl][Body STL file]] ++ [[file:body%20and%20covers/cover.stl][Big cover STL file]] ++ [[file:body%20and%20covers/cover%20cover.stl][Small dummy cover on top, STL file]] ++ [[file:body%20and%20covers/body%20and%20covers.FCStd][Body and covers FreeCAD project]] + +* Transformer and AC to DC converter + +This is where high voltage from mains electricity enters the system. + +Schematic: +[[file:transformer%20and%20AC%20DC%20converter%20board/schematic.png]] + +For safety I kept high voltage section as minimal as possible. That +is, wall plug runs straight into transformer. Also I used [[https://www.amazon.de/gp/product/B07VGQKM3G/ref=ppx_yo_dt_b_asin_title_o06_s00?ie=UTF8&psc=1][UV hardening +glue]] for extra safety and isolation on PCB. + +Power on/off switch operates on already reduced voltage of about 30 +volts. Power switch is located on [[id:c9a69490-f920-4a31-b32e-b101bfc3d01b][indicator panel]]. + +[[file:transformer%20and%20AC%20DC%20converter%20board/make,%201.png]] + +DC current of about 30 volts is then routed to [[id:65d68227-4bf2-4c4f-b4d3-c390bc6a9c34][Main board]]. + +[[file:transformer%20and%20AC%20DC%20converter%20board/make,%202.png]] + +[[https://www.amazon.de/gp/product/B07RLQH5TR/ref=ppx_yo_dt_b_asin_title_o07_s00?ie=UTF8&psc=1][Single sided prototype PCB is used]]. + +* Main board +:PROPERTIES: +:ID: 65d68227-4bf2-4c4f-b4d3-c390bc6a9c34 +:END: + +This is logically main board because it appears to be central hub that +connects all components. It also houses 2 [[https://www.amazon.de/gp/product/B072MQYJ93/ref=ppx_yo_dt_b_asin_title_o04_s00?ie=UTF8&psc=1][adjustable DC-DC Step Down +voltage converters]]. + +[[file:main%20board/main%20board,%201.png]] + +High-level schematic of entire device: +[[file:main%20board/schematic.png]] + +As seen from schematic, ~30 volts DC from transformer board is routed +into first step-down converter that reduces it to about 15V. Reduced +voltage is then directed to [[id:afc22d23-9bc4-421c-9cac-e0ce34bd36bc][Current limiter circuit]]. Current limiter +loses about 2 volts. Now we have current and voltage limited power at +about 13 volts. This power is used to charge connected 12V Lead-Acid +battery. Also the same power is routed to [[id:e33940bd-652f-4ec0-b53b-1c03e16941c8][connector terminal]] to be +consumed by connected devices. + +As seen from this schematic, device is not meant to provide high +current for long periods of time. Instead it gets comparatively +limited current to charge the battery and feed devices with low +current requirements. Occasional current spikes are backed up by +battery that stays in use-changing mode. + +Also about 13V output voltage is approximate and depends on connected +battery charge level. + +Second Step-Down converter reduces voltage even further to quite +precisely 5V DC. This resulting voltage is also routed to [[id:e33940bd-652f-4ec0-b53b-1c03e16941c8][connector +terminal]]. + +Both 13V and 5V lines are also routed to [[id:c9a69490-f920-4a31-b32e-b101bfc3d01b][indicator panel]] for +monitoring. + +There is single on/off switch. In off position, it disconnects battery +and transformer from the system effectively powering everything down. + +On schematic above, some wires are annotated with numbers from 1 +to 13. This corresponds to output pins on the board. + +[[file:main%20board/main%20board,%202.png]] +* Current limiter +:PROPERTIES: +:ID: afc22d23-9bc4-421c-9cac-e0ce34bd36bc +:END: + +Schematic: +[[file:current%20limiter/schematic.png]] + +Simple LM317 based current limiter is used. I used 4.7 ohm +resistor. It provides about 265 milliamps of current. See [[http://www.reuk.co.uk/wordpress/electric-circuit/lm317-current-calculator/][calculator]]. + +[[file:current%20limiter/current%20limiter,%201.png]] + +Thermal paste below and UV hardening glue on top is used to attach +LM317 to the heatsink. There is also jumper-like solution on top +right. This is handy to attach multimeter tap to verify/monitor +current during initial device calibration. + +If attached battery is really empty, significant voltage drop can +occur in LM317. Heatsink is needed to dissipate that power. + +[[file:current%20limiter/current%20limiter,%202.png]] + +Note: resistor gets hot too. + +* Indicator panel +:PROPERTIES: +:ID: c9a69490-f920-4a31-b32e-b101bfc3d01b +:END: + +[[file:indicator%20panel/indicator%20panel,%201.png]] + +Basically 2 digital DC voltmeters and main on/off switch. + +[[file:indicator%20panel/indicator%20panel,%202.png]] + +Download: + +[[file:indicator%20panel/indicator%20panel.png]] + ++ [[file:indicator%20panel/indicator%20panel.stl][STL file]] ++ [[file:indicator%20panel/indicator%20panel.FCStd][FreeCAD project]] + +* Connector terminal +:PROPERTIES: +:ID: e33940bd-652f-4ec0-b53b-1c03e16941c8 +:END: + +Schematic: +[[file:connector%20terminal/schematic.png]] + +As seen above, most of the USB connectors are used to deliver dual +power output and 1-wire data connectivity, except one on the bottom +right. This is used to attach 12V battery. Some capacitors are thrown +in as well to stabilize against smaller current spikes. + +Electrically schematic is realized using smaller prototype PCBs. + +[[file:connector%20terminal/make,%201.png]] + + +Those PCBs are wired to central small PCB that acts as a hub: + +[[file:connector%20terminal/make,%202.png]] + +PCBs are held together by being sandwiched between front panel: + +[[file:connector%20terminal/front%20panel.png]] + +and smaller back-end plate: + +[[file:connector%20terminal/back%20panel.png]] + +Result: + +[[file:connector%20terminal/make,%203.png]] + + +Download: ++ [[file:connector%20terminal/front%20panel.stl][front panel STL]] ++ [[file:connector%20terminal/back%20panel.stl][back panel STL]] ++ [[file:connector%20terminal/connector%20terminal.FCStd][FreeCAD project]] + +* Calibration + +Since device uses adjustable step-down modules, these need to be +calibrated to provide correct output voltage. It is important that +battery receives proper charging voltage otherwise either no charging +occurs or battery starts gassing out and gets destroyed. + +See here for more details: https://www.powerstream.com/SLA.htm + +----- + +Happy building! :) diff --git a/Miscellaneous/12V Lead-Acid battery changer and terminal/indicator panel/indicator panel, 1.png b/Miscellaneous/12V Lead-Acid battery changer and terminal/indicator panel/indicator panel, 1.png new file mode 100644 index 0000000..2b40b73 Binary files /dev/null and b/Miscellaneous/12V Lead-Acid battery changer and terminal/indicator panel/indicator panel, 1.png differ diff --git a/Miscellaneous/12V Lead-Acid battery changer and terminal/indicator panel/indicator panel, 2.png b/Miscellaneous/12V Lead-Acid battery changer and terminal/indicator panel/indicator panel, 2.png new file mode 100644 index 0000000..8763be2 Binary files /dev/null and b/Miscellaneous/12V Lead-Acid battery changer and terminal/indicator panel/indicator panel, 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terminal/main board/schematic.png new file mode 100644 index 0000000..8f16aa6 Binary files /dev/null and b/Miscellaneous/12V Lead-Acid battery changer and terminal/main board/schematic.png differ diff --git a/Miscellaneous/12V Lead-Acid battery changer and terminal/make, 2.png b/Miscellaneous/12V Lead-Acid battery changer and terminal/make, 2.png new file mode 100644 index 0000000..9e3f5a6 Binary files /dev/null and b/Miscellaneous/12V Lead-Acid battery changer and terminal/make, 2.png differ diff --git a/Miscellaneous/12V Lead-Acid battery changer and terminal/make.png b/Miscellaneous/12V Lead-Acid battery changer and terminal/make.png new file mode 100644 index 0000000..b525c46 Binary files /dev/null and b/Miscellaneous/12V Lead-Acid battery changer and terminal/make.png differ diff --git a/Miscellaneous/12V Lead-Acid battery changer and terminal/notes.txt b/Miscellaneous/12V Lead-Acid battery changer and terminal/notes.txt new file mode 100644 index 0000000..1e8478d --- /dev/null +++ b/Miscellaneous/12V Lead-Acid battery changer and terminal/notes.txt @@ -0,0 +1,3 @@ + + +Thermistor used: UEI005 (NTC Thermistor) diff --git a/Miscellaneous/12V Lead-Acid battery changer and terminal/transformer and AC DC converter board/make, 1.png b/Miscellaneous/12V Lead-Acid battery changer and terminal/transformer and AC DC converter board/make, 1.png new file mode 100644 index 0000000..b5494ce Binary files /dev/null and b/Miscellaneous/12V Lead-Acid battery changer and terminal/transformer and AC DC converter board/make, 1.png differ diff --git a/Miscellaneous/12V Lead-Acid battery changer and terminal/transformer and AC DC converter board/make, 2.png b/Miscellaneous/12V Lead-Acid battery changer and terminal/transformer and AC DC converter board/make, 2.png new file mode 100644 index 0000000..9615c4a Binary files /dev/null and b/Miscellaneous/12V Lead-Acid battery changer and terminal/transformer and AC DC converter board/make, 2.png differ diff --git a/Miscellaneous/12V 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a/Miscellaneous/Baofeng radio battery charger case mod/electrical/changer.sch-bak b/Miscellaneous/Baofeng radio battery charger case mod/electrical/changer.sch-bak new file mode 100644 index 0000000..6868a26 --- /dev/null +++ b/Miscellaneous/Baofeng radio battery charger case mod/electrical/changer.sch-bak @@ -0,0 +1,16 @@ +EESchema Schematic File Version 4 +EELAYER 30 0 +EELAYER END +$Descr A4 11693 8268 +encoding utf-8 +Sheet 1 3 +Title "" +Date "" +Rev "" +Comp "" +Comment1 "" +Comment2 "" +Comment3 "" +Comment4 "" +$EndDescr +$EndSCHEMATC diff --git a/Miscellaneous/Baofeng radio battery charger case mod/electrical/schematic-cache.lib b/Miscellaneous/Baofeng radio battery charger case mod/electrical/schematic-cache.lib new file mode 100644 index 0000000..385eac2 --- /dev/null +++ b/Miscellaneous/Baofeng radio battery charger case mod/electrical/schematic-cache.lib @@ -0,0 +1,116 @@ +EESchema-LIBRARY Version 2.4 +#encoding utf-8 +# +# Connector_USB_A +# +DEF Connector_USB_A J 0 40 Y Y 1 F N +F0 "J" -200 450 50 H V L CNN +F1 "Connector_USB_A" -200 350 50 H V L CNN +F2 "" 150 -50 50 H I C CNN +F3 "" 150 -50 50 H I C CNN +$FPLIST + USB* +$ENDFPLIST +DRAW +C -150 85 25 0 1 10 F +C -25 135 15 0 1 10 F +S -200 -300 200 300 0 1 10 f +S -60 190 -170 210 0 1 0 F +S -50 180 -180 230 0 1 0 N +S -5 -300 5 -270 0 1 0 N +S 10 50 -20 20 0 1 10 F +S 200 -105 170 -95 0 1 0 N +S 200 -5 170 5 0 1 0 N +S 200 195 170 205 0 1 0 N +P 4 0 1 10 -125 85 -100 85 -50 135 -25 135 N +P 4 0 1 10 -100 85 -75 85 -50 35 0 35 N +P 4 0 1 10 25 110 25 60 75 85 25 110 F +P 2 1 1 10 -75 85 25 85 N +X VBUS 1 300 200 100 L 50 50 1 1 W +X D- 2 300 -100 100 L 50 50 1 1 B +X D+ 3 300 0 100 L 50 50 1 1 B +X GND 4 0 -400 100 U 50 50 1 1 W +X Shield 5 -100 -400 100 U 50 50 1 1 P +ENDDRAW +ENDDEF +# +# Device_Battery +# +DEF Device_Battery BT 0 0 N N 1 F N +F0 "BT" 100 100 50 H V L CNN +F1 "Device_Battery" 100 0 50 H V L CNN +F2 "" 0 60 50 V I C CNN +F3 "" 0 60 50 V I C CNN +DRAW +S -80 -55 80 -65 0 1 0 F +S -80 70 80 60 0 1 0 F +S -52 -78 50 -98 0 1 0 F +S -52 47 50 27 0 1 0 F +P 2 0 1 0 0 -60 0 -50 N +P 2 0 1 0 0 -40 0 -30 N +P 2 0 1 0 0 -20 0 -10 N +P 2 0 1 0 0 0 0 10 N +P 2 0 1 0 0 20 0 30 N +P 2 0 1 0 0 70 0 100 N +P 2 0 1 10 10 105 50 105 N +P 2 0 1 10 30 125 30 85 N +X + 1 0 200 100 D 50 50 1 1 P +X - 2 0 -200 100 U 50 50 1 1 P +ENDDRAW +ENDDEF +# +# Device_C +# +DEF Device_C C 0 10 N Y 1 F N +F0 "C" 25 100 50 H V L CNN +F1 "Device_C" 25 -100 50 H V L CNN +F2 "" 38 -150 50 H I C CNN +F3 "" 0 0 50 H I C CNN +$FPLIST + C_* +$ENDFPLIST +DRAW +P 2 0 1 20 -80 -30 80 -30 N +P 2 0 1 20 -80 30 80 30 N +X ~ 1 0 150 110 D 50 50 1 1 P +X ~ 2 0 -150 110 U 50 50 1 1 P +ENDDRAW +ENDDEF +# +# Device_L +# +DEF Device_L L 0 40 N N 1 F N +F0 "L" -50 0 50 V V C CNN +F1 "Device_L" 75 0 50 V V C CNN +F2 "" 0 0 50 H I C CNN +F3 "" 0 0 50 H I C CNN +$FPLIST + Choke_* + *Coil* + Inductor_* + L_* +$ENDFPLIST +DRAW +A 0 -75 25 -899 899 0 1 0 N 0 -100 0 -50 +A 0 -25 25 -899 899 0 1 0 N 0 -50 0 0 +A 0 25 25 -899 899 0 1 0 N 0 0 0 50 +A 0 75 25 -899 899 0 1 0 N 0 50 0 100 +X 1 1 0 150 50 D 50 50 1 1 P +X 2 2 0 -150 50 U 50 50 1 1 P +ENDDRAW +ENDDEF +# +# power_GND +# +DEF power_GND #PWR 0 0 Y Y 1 F P +F0 "#PWR" 0 -250 50 H I C CNN +F1 "power_GND" 0 -150 50 H V C CNN +F2 "" 0 0 50 H I C CNN +F3 "" 0 0 50 H I C CNN +DRAW +P 6 0 1 0 0 0 0 -50 50 -50 0 -100 -50 -50 0 -50 N +X GND 1 0 0 0 D 50 50 1 1 W N +ENDDRAW +ENDDEF +# +#End Library diff --git a/Miscellaneous/Baofeng radio battery charger case mod/electrical/schematic.sch b/Miscellaneous/Baofeng radio battery charger case mod/electrical/schematic.sch new file mode 100644 index 0000000..d41ea32 --- /dev/null +++ b/Miscellaneous/Baofeng radio battery charger case mod/electrical/schematic.sch @@ -0,0 +1,159 @@ +EESchema Schematic File Version 4 +EELAYER 30 0 +EELAYER END +$Descr A4 11693 8268 +encoding utf-8 +Sheet 1 3 +Title "" +Date "" +Rev "" +Comp "" +Comment1 "" +Comment2 "" +Comment3 "" +Comment4 "" +$EndDescr +$Comp +L Connector:USB_A J? +U 1 1 6066D5F2 +P 2550 3250 +F 0 "J?" H 2607 3717 50 0000 C CNN +F 1 "USB_A" H 2607 3626 50 0000 C CNN +F 2 "" H 2700 3200 50 0001 C CNN +F 3 " ~" H 2700 3200 50 0001 C CNN + 1 2550 3250 + 1 0 0 -1 +$EndComp +$Comp +L Device:L L? +U 1 1 6066E023 +P 3150 3050 +F 0 "L?" V 2969 3050 50 0000 C CNN +F 1 "L" V 3060 3050 50 0000 C CNN +F 2 "" H 3150 3050 50 0001 C CNN +F 3 "~" H 3150 3050 50 0001 C CNN + 1 3150 3050 + 0 1 1 0 +$EndComp +$Comp +L Device:C C? +U 1 1 6066E800 +P 3400 3450 +F 0 "C?" H 3515 3496 50 0000 L CNN +F 1 "C" H 3515 3405 50 0000 L CNN +F 2 "" H 3438 3300 50 0001 C CNN +F 3 "~" H 3400 3450 50 0001 C CNN + 1 3400 3450 + 1 0 0 -1 +$EndComp +$Comp +L power:GND #PWR? +U 1 1 6066F429 +P 3400 3800 +F 0 "#PWR?" H 3400 3550 50 0001 C CNN +F 1 "GND" H 3405 3627 50 0000 C CNN +F 2 "" H 3400 3800 50 0001 C CNN +F 3 "" H 3400 3800 50 0001 C CNN + 1 3400 3800 + 1 0 0 -1 +$EndComp +Wire Wire Line + 3400 3800 3400 3600 +Wire Wire Line + 3400 3300 3400 3050 +Wire Wire Line + 3400 3050 3300 3050 +Wire Wire Line + 3000 3050 2850 3050 +$Comp +L power:GND #PWR? +U 1 1 6066F9FA +P 2550 3800 +F 0 "#PWR?" H 2550 3550 50 0001 C CNN +F 1 "GND" H 2555 3627 50 0000 C CNN +F 2 "" H 2550 3800 50 0001 C CNN +F 3 "" H 2550 3800 50 0001 C CNN + 1 2550 3800 + 1 0 0 -1 +$EndComp +Wire Wire Line + 2550 3800 2550 3650 +$Sheet +S 3700 2900 1200 450 +U 6066FDCB +F0 "Voltage upstep" 50 +F1 "upstep.sch" 50 +F2 "Vin" I L 3700 3050 50 +F3 "Vout" O R 4900 3050 50 +$EndSheet +Wire Wire Line + 3400 3050 3700 3050 +Connection ~ 3400 3050 +$Comp +L Device:C C? +U 1 1 6067078E +P 5100 3500 +F 0 "C?" H 5215 3546 50 0000 L CNN +F 1 "C" H 5215 3455 50 0000 L CNN +F 2 "" H 5138 3350 50 0001 C CNN +F 3 "~" H 5100 3500 50 0001 C CNN + 1 5100 3500 + 1 0 0 -1 +$EndComp +$Sheet +S 5300 2900 1100 450 +U 60670C08 +F0 "charger" 50 +F1 "changer.sch" 50 +F2 "Vin" I L 5300 3050 50 +F3 "Vout" O R 6400 3050 50 +$EndSheet +Wire Wire Line + 4900 3050 5100 3050 +Wire Wire Line + 5100 3050 5100 3350 +Wire Wire Line + 5100 3050 5300 3050 +Connection ~ 5100 3050 +$Comp +L Device:Battery BT? +U 1 1 6067194B +P 6600 3450 +F 0 "BT?" H 6708 3496 50 0000 L CNN +F 1 "Battery" H 6708 3405 50 0000 L CNN +F 2 "" V 6600 3510 50 0001 C CNN +F 3 "~" V 6600 3510 50 0001 C CNN + 1 6600 3450 + 1 0 0 -1 +$EndComp +Wire Wire Line + 6600 3250 6600 3050 +Wire Wire Line + 6600 3050 6400 3050 +$Comp +L power:GND #PWR? +U 1 1 6067278E +P 6600 3750 +F 0 "#PWR?" H 6600 3500 50 0001 C CNN +F 1 "GND" H 6605 3577 50 0000 C CNN +F 2 "" H 6600 3750 50 0001 C CNN +F 3 "" H 6600 3750 50 0001 C CNN + 1 6600 3750 + 1 0 0 -1 +$EndComp +$Comp +L power:GND #PWR? +U 1 1 60672D3C +P 5100 3750 +F 0 "#PWR?" H 5100 3500 50 0001 C CNN +F 1 "GND" H 5105 3577 50 0000 C CNN +F 2 "" H 5100 3750 50 0001 C CNN +F 3 "" H 5100 3750 50 0001 C CNN + 1 5100 3750 + 1 0 0 -1 +$EndComp +Wire Wire Line + 5100 3750 5100 3650 +Wire Wire Line + 6600 3750 6600 3650 +$EndSCHEMATC diff --git a/Miscellaneous/Baofeng radio battery charger case mod/electrical/schematic.sch-bak b/Miscellaneous/Baofeng radio battery charger case mod/electrical/schematic.sch-bak new file mode 100644 index 0000000..4c58992 --- /dev/null +++ b/Miscellaneous/Baofeng radio battery charger case mod/electrical/schematic.sch-bak @@ -0,0 +1,159 @@ +EESchema Schematic File Version 4 +EELAYER 30 0 +EELAYER END +$Descr A4 11693 8268 +encoding utf-8 +Sheet 1 3 +Title "" +Date "" +Rev "" +Comp "" +Comment1 "" +Comment2 "" +Comment3 "" +Comment4 "" +$EndDescr +$Comp +L Connector:USB_A J? +U 1 1 6066D5F2 +P 2550 3250 +F 0 "J?" H 2607 3717 50 0000 C CNN +F 1 "USB_A" H 2607 3626 50 0000 C CNN +F 2 "" H 2700 3200 50 0001 C CNN +F 3 " ~" H 2700 3200 50 0001 C CNN + 1 2550 3250 + 1 0 0 -1 +$EndComp +$Comp +L Device:L L? +U 1 1 6066E023 +P 3150 3050 +F 0 "L?" V 2969 3050 50 0000 C CNN +F 1 "L" V 3060 3050 50 0000 C CNN +F 2 "" H 3150 3050 50 0001 C CNN +F 3 "~" H 3150 3050 50 0001 C CNN + 1 3150 3050 + 0 1 1 0 +$EndComp +$Comp +L Device:C C? +U 1 1 6066E800 +P 3400 3350 +F 0 "C?" H 3515 3396 50 0000 L CNN +F 1 "C" H 3515 3305 50 0000 L CNN +F 2 "" H 3438 3200 50 0001 C CNN +F 3 "~" H 3400 3350 50 0001 C CNN + 1 3400 3350 + 1 0 0 -1 +$EndComp +$Comp +L power:GND #PWR? +U 1 1 6066F429 +P 3400 3700 +F 0 "#PWR?" H 3400 3450 50 0001 C CNN +F 1 "GND" H 3405 3527 50 0000 C CNN +F 2 "" H 3400 3700 50 0001 C CNN +F 3 "" H 3400 3700 50 0001 C CNN + 1 3400 3700 + 1 0 0 -1 +$EndComp +Wire Wire Line + 3400 3700 3400 3500 +Wire Wire Line + 3400 3200 3400 3050 +Wire Wire Line + 3400 3050 3300 3050 +Wire Wire Line + 3000 3050 2850 3050 +$Comp +L power:GND #PWR? +U 1 1 6066F9FA +P 2550 3800 +F 0 "#PWR?" H 2550 3550 50 0001 C CNN +F 1 "GND" H 2555 3627 50 0000 C CNN +F 2 "" H 2550 3800 50 0001 C CNN +F 3 "" H 2550 3800 50 0001 C CNN + 1 2550 3800 + 1 0 0 -1 +$EndComp +Wire Wire Line + 2550 3800 2550 3650 +$Sheet +S 3700 2900 1200 450 +U 6066FDCB +F0 "Voltage upstep" 50 +F1 "upstep.sch" 50 +F2 "Vin" I L 3700 3050 50 +F3 "Vout" O R 4900 3050 50 +$EndSheet +Wire Wire Line + 3400 3050 3700 3050 +Connection ~ 3400 3050 +$Comp +L Device:C C? +U 1 1 6067078E +P 5100 3600 +F 0 "C?" H 5215 3646 50 0000 L CNN +F 1 "C" H 5215 3555 50 0000 L CNN +F 2 "" H 5138 3450 50 0001 C CNN +F 3 "~" H 5100 3600 50 0001 C CNN + 1 5100 3600 + 1 0 0 -1 +$EndComp +$Sheet +S 5300 2900 1100 450 +U 60670C08 +F0 "charger" 50 +F1 "changer.sch" 50 +F2 "Vin" I L 5300 3050 50 +F3 "Vout" O R 6400 3050 50 +$EndSheet +Wire Wire Line + 4900 3050 5100 3050 +Wire Wire Line + 5100 3050 5100 3450 +Wire Wire Line + 5100 3050 5300 3050 +Connection ~ 5100 3050 +$Comp +L Device:Battery BT? +U 1 1 6067194B +P 6600 3450 +F 0 "BT?" H 6708 3496 50 0000 L CNN +F 1 "Battery" H 6708 3405 50 0000 L CNN +F 2 "" V 6600 3510 50 0001 C CNN +F 3 "~" V 6600 3510 50 0001 C CNN + 1 6600 3450 + 1 0 0 -1 +$EndComp +Wire Wire Line + 6600 3250 6600 3050 +Wire Wire Line + 6600 3050 6400 3050 +$Comp +L power:GND #PWR? +U 1 1 6067278E +P 6600 3750 +F 0 "#PWR?" H 6600 3500 50 0001 C CNN +F 1 "GND" H 6605 3577 50 0000 C CNN +F 2 "" H 6600 3750 50 0001 C CNN +F 3 "" H 6600 3750 50 0001 C CNN + 1 6600 3750 + 1 0 0 -1 +$EndComp +$Comp +L power:GND #PWR? +U 1 1 60672D3C +P 5100 3850 +F 0 "#PWR?" H 5100 3600 50 0001 C CNN +F 1 "GND" H 5105 3677 50 0000 C CNN +F 2 "" H 5100 3850 50 0001 C CNN +F 3 "" H 5100 3850 50 0001 C CNN + 1 5100 3850 + 1 0 0 -1 +$EndComp +Wire Wire Line + 5100 3850 5100 3750 +Wire Wire Line + 6600 3750 6600 3650 +$EndSCHEMATC diff --git a/Miscellaneous/Baofeng radio battery charger case mod/electrical/upstep.sch b/Miscellaneous/Baofeng radio battery charger case mod/electrical/upstep.sch new file mode 100644 index 0000000..8cd5fdf --- /dev/null +++ b/Miscellaneous/Baofeng radio battery charger case mod/electrical/upstep.sch @@ -0,0 +1,16 @@ +EESchema Schematic File Version 4 +EELAYER 30 0 +EELAYER END +$Descr A4 11693 8268 +encoding utf-8 +Sheet 2 3 +Title "" +Date "" +Rev "" +Comp "" +Comment1 "" +Comment2 "" +Comment3 "" +Comment4 "" +$EndDescr +$EndSCHEMATC diff --git a/Miscellaneous/Baofeng radio battery charger case mod/electrical/upstep.sch-bak b/Miscellaneous/Baofeng radio battery charger case mod/electrical/upstep.sch-bak new file mode 100644 index 0000000..8cd5fdf --- /dev/null +++ b/Miscellaneous/Baofeng radio battery charger case mod/electrical/upstep.sch-bak @@ -0,0 +1,16 @@ +EESchema Schematic File Version 4 +EELAYER 30 0 +EELAYER END +$Descr A4 11693 8268 +encoding utf-8 +Sheet 2 3 +Title "" +Date "" +Rev "" +Comp "" +Comment1 "" +Comment2 "" +Comment3 "" +Comment4 "" +$EndDescr +$EndSCHEMATC diff --git a/Miscellaneous/Baofeng radio battery charger case mod/index.html b/Miscellaneous/Baofeng radio battery charger case mod/index.html new file mode 100644 index 0000000..7bc23a3 --- /dev/null +++ b/Miscellaneous/Baofeng radio battery charger case mod/index.html @@ -0,0 +1,378 @@ + + + + + + + +Ham radio battery charger mod + + + + + + + + + + + +
+

Ham radio battery charger mod

+
+

Table of Contents

+
+ +
+
+ +
+

1 General

+
+ +
+
+ +
+

2 Project description

+
+

+Warning: this project is quite hacky. It requires breaking original +charger to get required critical charger part. Instructions are not +very detailed. Only describe the overall idea. Do not attempt to +reproduce this unless you exactly know what you are doing. +

+ +
+ + +

+I have Baofeng GT-STP and Baofeng UV-82 radios. Their batteries have +slightly different geometry, so chargers are physically not +compatible. Also each changer comes with its own power adapter to plug +into wall power socket. Electrically batteries are apparently +compatible. +

+ +

+By building this battery charger I solved 2 issues: +

+
    +
  • It can charge batteries for both radios. Is physically and +electrically compatible to both models.
    • +
  • Wall adapter is no longer needed. Now it is powered by USB connector +from computer.
    • +
+ + +
+

make.png +

+
+ +

+Body ignores small physical differences between batteries and both can +be plugged in. +

+ + +
+

body.png +

+
+ +

+Front side contains critical fragment of the original changer circuit +board to drive the actual battery charging. +

+ + +
+

make, 1.png +

+
+ +

+Back side contains voltage upstep converter that is tuned to convert +5V USB input to 10V output that is required by the charger. +

+ + +
+

make, 2.png +

+
+ +

+Voltage upstep converter can produce significant voltage +ripples/impulses that travel backwards to the power source and forward +to the changer. To reduce this effect, there are capacitors and +inductor. +

+ + +
+

electrical.png +

+
+ +

+Front and back sides are connected by wiring at the bottom. Also there +are screws to hold original Baofeng charger pins/springs that connect +to the battery. +

+ + +
+

make, 3.png +

+
+ +

+After assembly is complete, back, front and bottom parts are sealed +with lid: cover.png +

+
+
+
+
+

Author: Svjatoslav Agejenko

+

Created: 2021-04-11 Sun 21:46

+

Validate

+
+ + diff --git a/Miscellaneous/Baofeng radio battery charger case mod/index.org b/Miscellaneous/Baofeng radio battery charger case mod/index.org new file mode 100644 index 0000000..253a13d --- /dev/null +++ b/Miscellaneous/Baofeng radio battery charger case mod/index.org @@ -0,0 +1,86 @@ +#+TITLE: Ham radio battery charger mod +#+author: Svjatoslav Agejenko +#+LANGUAGE: en + +* (document settings) :noexport: +** use dark style for TWBS-HTML exporter +#+HTML_HEAD: +#+HTML_HEAD: +#+HTML_HEAD: +#+HTML_HEAD: + +* General ++ DISCLAIMER: I DO ELECTRONICS AND 3D DESIGN SOLELY AS A HOBBY. THERE + COULD BE ERRORS THAT CAN RESULT IN ALL KINDS OF DAMAGE. USE THESE + DESIGNS AT YOUR OWN RISK. + ++ This design is released under Creative Commons Zero (CC0) license. + ++ Authors: + - Svjatoslav Agejenko + - Homepage: https://svjatoslav.eu + - Email: [[mailto://svjatoslav@svjatoslav.eu][svjatoslav@svjatoslav.eu]] + + - Valeria Agejenko + ++ See also: + - [[../../index.html][Other physical projects in this repository]] + - [[https://www.svjatoslav.eu/projects/][Other projects hosted at svjatoslav.eu]] + +* Project description + +Warning: this project is quite hacky. It requires breaking original +charger to get required critical charger part. Instructions are not +very detailed. Only describe the overall idea. Do not attempt to +reproduce this unless you exactly know what you are doing. + +------ + + +I have Baofeng GT-STP and Baofeng UV-82 radios. Their batteries have +slightly different geometry, so chargers are physically not +compatible. Also each changer comes with its own power adapter to plug +into wall power socket. Electrically batteries are apparently +compatible. + +By building this battery charger I solved 2 issues: ++ It can charge batteries for both radios. Is physically and + electrically compatible to both models. ++ Wall adapter is no longer needed. Now it is powered by USB connector + from computer. + +[[file:make.png]] + +Body ignores small physical differences between batteries and both can +be plugged in. + +[[file:body.png]] + +Front side contains critical fragment of the original changer circuit +board to drive the actual battery charging. + +[[file:make, 1.png]] + +Back side contains voltage upstep converter that is tuned to convert +5V USB input to 10V output that is required by the charger. + +[[file:make, 2.png]] + +Voltage upstep converter can produce significant voltage +ripples/impulses that travel backwards to the power source and forward +to the changer. To reduce this effect, there are capacitors and +inductor. + +[[file:electrical.png]] + +Front and back sides are connected by wiring at the bottom. Also there +are screws to hold original Baofeng charger pins/springs that connect +to the battery. + +[[file:make, 3.png]] + +After assembly is complete, back, front and bottom parts are sealed +with lid: [[file:cover.png]] diff --git a/Miscellaneous/Baofeng radio battery charger case mod/make, 1.png b/Miscellaneous/Baofeng radio battery charger case mod/make, 1.png new file mode 100644 index 0000000..9defb89 Binary files /dev/null and b/Miscellaneous/Baofeng radio battery charger case mod/make, 1.png differ diff --git a/Miscellaneous/Baofeng radio battery charger case mod/make, 2.png b/Miscellaneous/Baofeng radio battery charger case mod/make, 2.png new file mode 100644 index 0000000..0f3640b Binary files /dev/null and b/Miscellaneous/Baofeng radio battery charger case mod/make, 2.png differ diff --git a/Miscellaneous/Baofeng radio battery charger case mod/make, 3.png b/Miscellaneous/Baofeng radio battery charger case mod/make, 3.png new file mode 100644 index 0000000..92fe21d Binary files /dev/null and b/Miscellaneous/Baofeng radio battery charger case mod/make, 3.png differ diff --git a/Miscellaneous/Baofeng radio battery charger case mod/make.png b/Miscellaneous/Baofeng radio battery charger case mod/make.png new file mode 100644 index 0000000..5c47a6a Binary files /dev/null and b/Miscellaneous/Baofeng radio battery charger case mod/make.png differ diff --git a/Miscellaneous/Lab heater and cooler/.thumbnails/body, 1 (4FE5B061).jpeg b/Miscellaneous/Lab heater and cooler/.thumbnails/body, 1 (4FE5B061).jpeg new file mode 100644 index 0000000..e162436 Binary files /dev/null and b/Miscellaneous/Lab heater and cooler/.thumbnails/body, 1 (4FE5B061).jpeg differ diff --git a/Miscellaneous/Lab heater and cooler/.thumbnails/body, 2 (6930C5AD).jpeg b/Miscellaneous/Lab heater and cooler/.thumbnails/body, 2 (6930C5AD).jpeg new file mode 100644 index 0000000..6c0c14f Binary files /dev/null and b/Miscellaneous/Lab heater and cooler/.thumbnails/body, 2 (6930C5AD).jpeg differ diff --git a/Miscellaneous/Lab heater and cooler/.thumbnails/bottom cover (888C2041).jpeg b/Miscellaneous/Lab heater and cooler/.thumbnails/bottom cover (888C2041).jpeg new file mode 100644 index 0000000..b9b2d66 Binary files /dev/null and b/Miscellaneous/Lab heater and cooler/.thumbnails/bottom cover (888C2041).jpeg differ diff --git a/Miscellaneous/Lab heater and cooler/.thumbnails/make (BCD5D41).jpeg b/Miscellaneous/Lab heater and cooler/.thumbnails/make (BCD5D41).jpeg new file mode 100644 index 0000000..817eb33 Binary files /dev/null and b/Miscellaneous/Lab heater and cooler/.thumbnails/make (BCD5D41).jpeg differ diff --git a/Miscellaneous/Lab heater and cooler/.thumbnails/make, bottom (77EF885B).jpeg b/Miscellaneous/Lab heater and cooler/.thumbnails/make, bottom (77EF885B).jpeg new file mode 100644 index 0000000..ee2cf8a Binary files /dev/null and b/Miscellaneous/Lab heater and cooler/.thumbnails/make, bottom (77EF885B).jpeg differ diff --git a/Miscellaneous/Lab heater and cooler/.thumbnails/metadata_6.dat b/Miscellaneous/Lab heater and cooler/.thumbnails/metadata_6.dat new file mode 100644 index 0000000..1f1d36f Binary files /dev/null and b/Miscellaneous/Lab heater and cooler/.thumbnails/metadata_6.dat differ diff --git a/Miscellaneous/Lab heater and cooler/.thumbnails/schematic (5FA81873).jpeg b/Miscellaneous/Lab heater and cooler/.thumbnails/schematic (5FA81873).jpeg new file mode 100644 index 0000000..3577943 Binary files /dev/null and b/Miscellaneous/Lab heater and cooler/.thumbnails/schematic (5FA81873).jpeg differ diff --git a/Miscellaneous/Lab heater and cooler/.thumbnails/top cover (1A1B8AED).jpeg b/Miscellaneous/Lab heater and cooler/.thumbnails/top cover (1A1B8AED).jpeg new file mode 100644 index 0000000..1dad842 Binary files /dev/null and b/Miscellaneous/Lab heater and cooler/.thumbnails/top cover (1A1B8AED).jpeg differ diff --git a/Miscellaneous/Lab heater and cooler/Lab heater and cooler.FCStd b/Miscellaneous/Lab heater and cooler/Lab heater and cooler.FCStd new file mode 100644 index 0000000..ca14c9e Binary files /dev/null and b/Miscellaneous/Lab heater and cooler/Lab heater and cooler.FCStd differ diff --git a/Miscellaneous/Lab heater and cooler/body, 1.png b/Miscellaneous/Lab heater and cooler/body, 1.png new file mode 100644 index 0000000..e2dbd59 Binary files /dev/null and b/Miscellaneous/Lab heater and cooler/body, 1.png differ diff --git a/Miscellaneous/Lab heater and cooler/body, 2.png b/Miscellaneous/Lab heater and cooler/body, 2.png new file mode 100644 index 0000000..a48c833 Binary files /dev/null and b/Miscellaneous/Lab heater and cooler/body, 2.png differ diff --git a/Miscellaneous/Lab heater and cooler/body.stl b/Miscellaneous/Lab heater and cooler/body.stl new file mode 100644 index 0000000..9a98969 Binary files /dev/null and b/Miscellaneous/Lab heater and cooler/body.stl differ diff --git a/Miscellaneous/Lab heater and cooler/bottom cover.png b/Miscellaneous/Lab heater and cooler/bottom cover.png new file mode 100644 index 0000000..5f23c00 Binary files /dev/null and b/Miscellaneous/Lab heater and cooler/bottom cover.png differ diff --git a/Miscellaneous/Lab heater and cooler/bottom cover.stl b/Miscellaneous/Lab heater and cooler/bottom cover.stl new file mode 100644 index 0000000..f20939f Binary files /dev/null and b/Miscellaneous/Lab heater and cooler/bottom cover.stl differ diff --git a/Miscellaneous/Lab heater and cooler/index.html b/Miscellaneous/Lab heater and cooler/index.html new file mode 100644 index 0000000..08dabae --- /dev/null +++ b/Miscellaneous/Lab heater and cooler/index.html @@ -0,0 +1,405 @@ + + + + + + + +Versatile Heating/Cooling Plate with Triple Peltier Elements + + + + + + + +
+

Versatile Heating/Cooling Plate with Triple Peltier Elements

+ + + +
+

1. Introduction

+
+ +
+

make.png +

+
+ +

+This is a home-built device that uses three Peltier elements. It can +electrically switch between heating and cooling mode of operation. +

+ +

+Possible Applications +

+
    +
  • Small beverage chiller/warmer to keep a drink cold (or a mug of +coffee warm) on your desk.
    • +
  • Science experiments.
    • +
  • Hobby prototyping: Great for testing sensors or components under +controlled temperature environments.
    • +
+ +

+A Peltier element (also called a thermoelectric cooler or TEC) moves +heat from one side of the device to the other when powered. If you +feed the module current in one direction, one side cools while the +other side heats. Reverse the polarity, and the hot/cold sides flip. +

+ +

+In short, they offer a neat, compact way to generate small-scale +heating or cooling without traditional refrigerants or compressors and +it has no moving parts. +

+ +

+!WARNING! I'm reusing USB-A connector here in completely +incompatible ways to power current device with 12 volts also from DIY +power supply. You should never connect this device to normal USB +power supplies because it likely will destroy it and will be fire +hazard! +

+ + +

+My DIY device consists of the following major parts: +schematic.png +

+ +
    +
  • Three Peltier modules, arranged on top of one-another for a higher +overall cooling/heating capacity.
    • +
  • A top plate, where items are placed for heating or cooling.
    • +
  • A fan assembly on the opposite side of the Peltiers to pull air across a heatsink.
    • +
  • A mode switch (Heating/Cooling), which toggles the polarity of the Peltier elements.
    • +
  • An On/Off switch that powers the entire system.
    • +
  • Two indicator LEDs: one lights up for “Heating” mode, the other for +“Cooling” mode.
    • +
+ +

+In simple terms, you have a box with a top-most Peltier element for +contacting the item to be warmed or cooled. Inside, there’s a set of +Peltier modules sandwiched between and an internal heatsink, with a +fan that moves air over the heatsink. The two switches handle power +and polarity, and the LEDs offer instant visual feedback. +

+ +

+By wiring three Peltier elements, the cooling/heating capacity is +effectively multiplied. +

+ +

+A crucial factor in making Peltiers work well is how effectively you +dump the waste heat/cold on the opposite end of the Peltier stack into +the environment. If the hot side is not kept sufficiently cool, the +effectiveness of the entire module drops. +

+ + +
+

make, bottom.png +

+
+
+
+ +
+

2. Files

+
+ + +

+3D printable STL files: +

+
+ +
+

2.1. Main body of the construction

+
+

+body.stl +

+ +
    +
  • body, 1.png
    • +
  • body, 2.png
    • +
+
+
+ +
+

2.2. Top cover

+
+

+top cover.stl +

+ +
    +
  • top cover.png
    • +
+
+
+ +
+

2.3. Bottom cover

+
+

+bottom cover.stl +

+ +
    +
  • bottom cover.png
    • +
+
+
+
+ + +
+

3. License and Disclaimer

+
+ +
+
+
+
+

Author: Svjatoslav Agejenko

+

Created: 2025-04-07 Mon 02:02

+

Validate

+
+ + diff --git a/Miscellaneous/Lab heater and cooler/index.org b/Miscellaneous/Lab heater and cooler/index.org new file mode 100644 index 0000000..b99530c --- /dev/null +++ b/Miscellaneous/Lab heater and cooler/index.org @@ -0,0 +1,101 @@ +#+TITLE: Versatile Heating/Cooling Plate with Triple Peltier Elements +#+AUTHOR: Svjatoslav Agejenko +#+LANGUAGE: en + + +* Introduction + +[[file:make.png]] + +This is a home-built device that uses *three* Peltier elements. It can +electrically switch between heating and cooling mode of operation. + +Possible Applications +- Small beverage chiller/warmer to keep a drink cold (or a mug of + coffee warm) on your desk. +- Science experiments. +- Hobby prototyping: Great for testing sensors or components under + controlled temperature environments. + +A *Peltier element* (also called a thermoelectric cooler or TEC) moves +heat from one side of the device to the other when powered. If you +feed the module current in one direction, one side cools while the +other side heats. Reverse the polarity, and the hot/cold sides flip. + +In short, they offer a neat, compact way to generate small-scale +heating or cooling without traditional refrigerants or compressors and +it has no moving parts. + +*!WARNING!* [[https://www3.svjatoslav.eu/projects/physical/misc/alternative%20USB%20layout/][I'm reusing USB-A connector here in completely +incompatible ways]] to power current device with 12 volts also from DIY +power supply. *You should never connect this device to normal USB +power supplies* because it likely will destroy it and will be fire +hazard! + + +My DIY device consists of the following major parts: +[[file:schematic.png]] + +- Three Peltier modules, arranged on top of one-another for a higher + overall cooling/heating capacity. +- A top plate, where items are placed for heating or cooling. +- A fan assembly on the opposite side of the Peltiers to pull air across a heatsink. +- A mode switch (Heating/Cooling), which toggles the polarity of the Peltier elements. +- An On/Off switch that powers the entire system. +- Two indicator LEDs: one lights up for “Heating” mode, the other for + “Cooling” mode. + +In simple terms, you have a box with a top-most Peltier element for +contacting the item to be warmed or cooled. Inside, there’s a set of +Peltier modules sandwiched between and an internal heatsink, with a +fan that moves air over the heatsink. The two switches handle power +and polarity, and the LEDs offer instant visual feedback. + +By wiring three Peltier elements, the cooling/heating capacity is +effectively multiplied. + +A crucial factor in making Peltiers work well is how effectively you +dump the waste heat/cold on the opposite end of the Peltier stack into +the environment. If the hot side is not kept sufficiently cool, the +effectiveness of the entire module drops. + +[[file:make, bottom.png]] + +* Files + ++ [[file:Lab heater and cooler.FCStd][FreeCAD design file]] + +3D printable STL files: + +** Main body of the construction +[[file:body.stl]] + +- [[file:body, 1.png]] +- [[file:body, 2.png]] + +** Top cover +[[file:top cover.stl]] + +- [[file:top cover.png]] + +** Bottom cover +[[file:bottom cover.stl]] + +- [[file:bottom cover.png]] + + +* License and Disclaimer ++ DISCLAIMER: I DO ELECTRONICS AND 3D DESIGN SOLELY AS A HOBBY. THERE + COULD BE ERRORS THAT CAN RESULT IN ALL KINDS OF DAMAGE. USE THESE + DESIGNS AT YOUR OWN RISK. + ++ This design is released under Creative Commons Zero (CC0) license. + ++ Author: + - Svjatoslav Agejenko + - Homepage: https://svjatoslav.eu + - Email: [[mailto://svjatoslav@svjatoslav.eu][svjatoslav@svjatoslav.eu]] + ++ See also: + - [[../../index.html][Other physical projects in this repository]] + - [[https://www.svjatoslav.eu/projects/][Other projects hosted at svjatoslav.eu]] diff --git a/Miscellaneous/Lab heater and cooler/make, 2.png b/Miscellaneous/Lab heater and cooler/make, 2.png new file mode 100644 index 0000000..37bdb1e Binary files /dev/null and b/Miscellaneous/Lab heater and cooler/make, 2.png differ diff --git a/Miscellaneous/Lab heater and cooler/make, bottom.png b/Miscellaneous/Lab heater and cooler/make, bottom.png new file mode 100644 index 0000000..1b9f894 Binary files /dev/null and b/Miscellaneous/Lab heater and cooler/make, bottom.png differ diff --git a/Miscellaneous/Lab heater and cooler/make.png b/Miscellaneous/Lab heater and cooler/make.png new file mode 100644 index 0000000..faf2963 Binary files /dev/null and b/Miscellaneous/Lab heater and cooler/make.png differ diff --git a/Miscellaneous/Lab heater and cooler/schematic-cache.lib b/Miscellaneous/Lab heater and cooler/schematic-cache.lib new file mode 100644 index 0000000..4dc66fa --- /dev/null +++ b/Miscellaneous/Lab heater and cooler/schematic-cache.lib @@ -0,0 +1,153 @@ +EESchema-LIBRARY Version 2.4 +#encoding utf-8 +# +# Connector_USB_A +# +DEF Connector_USB_A J 0 40 Y Y 1 F N +F0 "J" -200 450 50 H V L CNN +F1 "Connector_USB_A" -200 350 50 H V L CNN +F2 "" 150 -50 50 H I C CNN +F3 "" 150 -50 50 H I C CNN +$FPLIST + USB* +$ENDFPLIST +DRAW +C -150 85 25 0 1 10 F +C -25 135 15 0 1 10 F +S -200 -300 200 300 0 1 10 f +S -60 190 -170 210 0 1 0 F +S -50 180 -180 230 0 1 0 N +S -5 -300 5 -270 0 1 0 N +S 10 50 -20 20 0 1 10 F +S 200 -105 170 -95 0 1 0 N +S 200 -5 170 5 0 1 0 N +S 200 195 170 205 0 1 0 N +P 4 0 1 10 -125 85 -100 85 -50 135 -25 135 N +P 4 0 1 10 -100 85 -75 85 -50 35 0 35 N +P 4 0 1 10 25 110 25 60 75 85 25 110 F +P 2 1 1 10 -75 85 25 85 N +X VBUS 1 300 200 100 L 50 50 1 1 W +X D- 2 300 -100 100 L 50 50 1 1 B +X D+ 3 300 0 100 L 50 50 1 1 B +X GND 4 0 -400 100 U 50 50 1 1 W +X Shield 5 -100 -400 100 U 50 50 1 1 P +ENDDRAW +ENDDEF +# +# Device_LED +# +DEF Device_LED D 0 40 N N 1 F N +F0 "D" 0 100 50 H V C CNN +F1 "Device_LED" 0 -100 50 H V C CNN +F2 "" 0 0 50 H I C CNN +F3 "" 0 0 50 H I C CNN +$FPLIST + LED* + LED_SMD:* + LED_THT:* +$ENDFPLIST +DRAW +P 2 0 1 10 -50 -50 -50 50 N +P 2 0 1 0 -50 0 50 0 N +P 4 0 1 10 50 -50 50 50 -50 0 50 -50 N +P 5 0 1 0 -120 -30 -180 -90 -150 -90 -180 -90 -180 -60 N +P 5 0 1 0 -70 -30 -130 -90 -100 -90 -130 -90 -130 -60 N +X K 1 -150 0 100 R 50 50 1 1 P +X A 2 150 0 100 L 50 50 1 1 P +ENDDRAW +ENDDEF +# +# Device_Peltier_Element +# +DEF Device_Peltier_Element PE 0 0 N Y 1 F N +F0 "PE" 0 125 50 H V C CNN +F1 "Device_Peltier_Element" 0 -50 50 H V C CNN +F2 "" 0 -70 50 H I C CNN +F3 "" 0 25 50 V I C CNN +DRAW +S -140 75 -115 0 0 1 0 F +S -90 75 -65 0 0 1 0 F +S -15 75 -40 0 0 1 0 F +S 35 75 10 0 0 1 0 F +S 60 0 85 75 0 1 0 F +S 110 0 135 75 0 1 0 F +P 2 0 1 10 -150 0 150 0 F +P 2 0 1 10 -150 75 150 75 N +X ~ 1 -200 0 50 R 50 50 1 1 P +X ~ 2 200 0 50 L 50 50 1 1 P +ENDDRAW +ENDDEF +# +# Device_R +# +DEF Device_R R 0 0 N Y 1 F N +F0 "R" 80 0 50 V V C CNN +F1 "Device_R" 0 0 50 V V C CNN +F2 "" -70 0 50 V I C CNN +F3 "" 0 0 50 H I C CNN +$FPLIST + R_* +$ENDFPLIST +DRAW +S -40 -100 40 100 0 1 10 N +X ~ 1 0 150 50 D 50 50 1 1 P +X ~ 2 0 -150 50 U 50 50 1 1 P +ENDDRAW +ENDDEF +# +# Motor_Fan +# +DEF Motor_Fan M 0 0 Y Y 1 F N +F0 "M" 100 200 50 H V L CNN +F1 "Motor_Fan" 100 -100 50 H V L TNN +F2 "" 0 10 50 H I C CNN +F3 "" 0 10 50 H I C CNN +$FPLIST + PinHeader*P2.54mm* + TerminalBlock* +$ENDFPLIST +DRAW +A -98 94 113 297 -910 0 1 0 N 0 150 -100 -20 +A 0 -70 112 1534 266 0 1 0 N -100 -20 100 -20 +A 103 95 115 -915 1519 0 1 0 N 100 -20 0 150 +C 0 40 128 0 1 10 N +P 2 0 1 0 0 -200 0 -180 N +P 2 0 1 0 0 -88 0 -104 N +P 2 0 1 0 0 168 0 182 N +P 2 0 1 0 0 180 0 200 N +X + 1 0 300 100 D 50 50 1 1 P +X - 2 0 -200 100 U 50 50 1 1 P +ENDDRAW +ENDDEF +# +# Switch_SW_Push_DPDT +# +DEF Switch_SW_Push_DPDT SW 0 0 Y N 1 F N +F0 "SW" 0 350 50 H V C CNN +F1 "Switch_SW_Push_DPDT" 0 -400 50 H V C CNN +F2 "" 0 200 50 H I C CNN +F3 "" 0 200 50 H I C CNN +DRAW +C -80 -200 20 0 0 0 N +C -80 200 20 0 0 0 N +C 80 -300 20 0 0 0 N +C 80 100 20 0 0 0 N +C 80 -100 20 0 1 0 N +C 80 300 20 0 1 0 N +P 2 0 1 0 -60 -190 100 -120 N +P 2 0 1 0 -60 210 100 280 N +P 2 0 1 0 0 -90 0 -160 N +P 2 0 1 0 0 -40 0 0 N +P 2 0 1 0 0 50 0 90 N +P 2 0 1 0 0 140 0 180 N +P 2 0 1 0 0 310 0 240 N +X A 1 200 300 100 L 50 50 1 1 P +X B 2 -200 200 100 R 50 50 1 1 P +X C 3 200 100 100 L 50 50 1 1 P +X A 4 200 -100 100 L 50 50 1 1 P +X B 5 -200 -200 100 R 50 50 1 1 P +X C 6 200 -300 100 L 50 50 1 1 P +ENDDRAW +ENDDEF +# +#End Library diff --git a/Miscellaneous/Lab heater and cooler/schematic.png b/Miscellaneous/Lab heater and cooler/schematic.png new file mode 100644 index 0000000..b4e316f Binary files /dev/null and b/Miscellaneous/Lab heater and cooler/schematic.png differ diff --git a/Miscellaneous/Lab heater and cooler/schematic.sch b/Miscellaneous/Lab heater and cooler/schematic.sch new file mode 100644 index 0000000..15cf098 --- /dev/null +++ b/Miscellaneous/Lab heater and cooler/schematic.sch @@ -0,0 +1,226 @@ +EESchema Schematic File Version 4 +EELAYER 30 0 +EELAYER END +$Descr A4 11693 8268 +encoding utf-8 +Sheet 1 1 +Title "" +Date "" +Rev "" +Comp "" +Comment1 "" +Comment2 "" +Comment3 "" +Comment4 "" +$EndDescr +$Comp +L Connector:USB_A J1 +U 1 1 5FC687EA +P 1950 3000 +F 0 "J1" H 2007 3467 50 0000 C CNN +F 1 "USB_A" H 2007 3376 50 0000 C CNN +F 2 "" H 2100 2950 50 0001 C CNN +F 3 " ~" H 2100 2950 50 0001 C CNN + 1 1950 3000 + 1 0 0 -1 +$EndComp +$Comp +L Switch:SW_Push_DPDT SW1 +U 1 1 5FC6AA51 +P 2550 2950 +F 0 "SW1" H 2550 3435 50 0000 C CNN +F 1 "SW_ON_OFF" H 2550 3344 50 0000 C CNN +F 2 "" H 2550 3150 50 0001 C CNN +F 3 "~" H 2550 3150 50 0001 C CNN + 1 2550 2950 + 1 0 0 -1 +$EndComp +$Comp +L Switch:SW_Push_DPDT SW2 +U 1 1 5FC6CF83 +P 3700 3000 +F 0 "SW2" H 3700 3485 50 0000 C CNN +F 1 "SW_COLD_HOT" H 3700 3394 50 0000 C CNN +F 2 "" H 3700 3200 50 0001 C CNN +F 3 "~" H 3700 3200 50 0001 C CNN + 1 3700 3000 + 1 0 0 -1 +$EndComp +Wire Wire Line + 2350 2750 2350 3000 +Connection ~ 2350 3100 +Wire Wire Line + 2350 3100 2350 3150 +Wire Wire Line + 2750 2650 3050 2650 +Wire Wire Line + 3050 2650 3050 2800 +Wire Wire Line + 3050 2800 3500 2800 +Wire Wire Line + 2750 3050 3050 3050 +Wire Wire Line + 3050 3050 3050 2800 +Connection ~ 3050 2800 +Wire Wire Line + 1850 3550 1850 3400 +Wire Wire Line + 3450 3200 3500 3200 +$Comp +L Device:Peltier_Element PE1 +U 1 1 5FC73C36 +P 5200 2700 +F 0 "PE1" H 5200 2942 50 0000 C CNN +F 1 "Peltier_Element" H 5200 2851 50 0000 C CNN +F 2 "" H 5200 2630 50 0001 C CNN +F 3 "~" V 5200 2725 50 0001 C CNN + 1 5200 2700 + 1 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3550 +$EndSCHEMATC diff --git a/Miscellaneous/Lab heater and cooler/schematic.sch-bak b/Miscellaneous/Lab heater and cooler/schematic.sch-bak new file mode 100644 index 0000000..501533b --- /dev/null +++ b/Miscellaneous/Lab heater and cooler/schematic.sch-bak @@ -0,0 +1,226 @@ +EESchema Schematic File Version 4 +EELAYER 30 0 +EELAYER END +$Descr A4 11693 8268 +encoding utf-8 +Sheet 1 1 +Title "" +Date "" +Rev "" +Comp "" +Comment1 "" +Comment2 "" +Comment3 "" +Comment4 "" +$EndDescr +$Comp +L Connector:USB_A J? +U 1 1 5FC687EA +P 1950 3000 +F 0 "J?" H 2007 3467 50 0000 C CNN +F 1 "USB_A" H 2007 3376 50 0000 C CNN +F 2 "" H 2100 2950 50 0001 C CNN +F 3 " ~" H 2100 2950 50 0001 C CNN + 1 1950 3000 + 1 0 0 -1 +$EndComp +$Comp +L Switch:SW_Push_DPDT SW? +U 1 1 5FC6AA51 +P 2550 2950 +F 0 "SW?" H 2550 3435 50 0000 C CNN +F 1 "SW_ON_OFF" H 2550 3344 50 0000 C CNN +F 2 "" H 2550 3150 50 0001 C CNN +F 3 "~" H 2550 3150 50 0001 C CNN + 1 2550 2950 + 1 0 0 -1 +$EndComp +$Comp +L Switch:SW_Push_DPDT SW? +U 1 1 5FC6CF83 +P 3700 3000 +F 0 "SW?" 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H 5200 3542 50 0000 C CNN +F 1 "Peltier_Element" H 5200 3451 50 0000 C CNN +F 2 "" H 5200 3230 50 0001 C CNN +F 3 "~" V 5200 3325 50 0001 C CNN + 1 5200 3300 + 1 0 0 -1 +$EndComp +Wire Wire Line + 5400 2700 5400 2800 +Wire Wire Line + 5400 2800 4800 2800 +Wire Wire Line + 4800 2800 4800 3000 +Wire Wire Line + 4800 3000 5000 3000 +Wire Wire Line + 5400 3000 5400 3100 +Wire Wire Line + 5400 3100 4800 3100 +Wire Wire Line + 4800 3100 4800 3300 +Wire Wire Line + 4800 3300 5000 3300 +Wire Wire Line + 5600 3500 5600 3300 +Wire Wire Line + 5600 3300 5400 3300 +Wire Wire Line + 3900 2700 4250 2700 +Wire Wire Line + 4100 3100 3900 3100 +Wire Wire Line + 4100 3100 4100 3500 +Wire Wire Line + 3900 2900 4100 2900 +Wire Wire Line + 4100 2900 4100 3100 +Connection ~ 4100 3100 +Wire Wire Line + 3900 3300 4250 3300 +Wire Wire Line + 4250 3300 4250 2700 +Connection ~ 4250 2700 +Wire Wire Line + 4250 2700 5000 2700 +$Comp +L Device:LED D? +U 1 1 5FC862C0 +P 5150 1800 +F 0 "D?" H 5143 2017 50 0000 C CNN +F 1 "LED" H 5143 1926 50 0000 C CNN +F 2 "" H 5150 1800 50 0001 C CNN +F 3 "~" H 5150 1800 50 0001 C CNN + 1 5150 1800 + 1 0 0 -1 +$EndComp +$Comp +L Device:LED D? +U 1 1 5FC86B03 +P 5150 2150 +F 0 "D?" H 5143 1895 50 0000 C CNN +F 1 "LED" H 5143 1986 50 0000 C CNN +F 2 "" H 5150 2150 50 0001 C CNN +F 3 "~" H 5150 2150 50 0001 C CNN + 1 5150 2150 + -1 0 0 1 +$EndComp +Wire Wire Line + 5600 2150 5600 1800 +Wire Wire Line + 5600 1800 5300 1800 +Wire Wire Line + 5300 2150 5600 2150 +Wire Wire Line + 5000 2150 4800 2150 +Wire Wire Line + 4800 2150 4800 1950 +Wire Wire Line + 4800 1800 5000 1800 +$Comp +L Device:R R? +U 1 1 5FC8BE0F +P 4500 1950 +F 0 "R?" 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H 3208 3446 50 0000 L CNN +F 1 "Fan" H 3208 3355 50 0000 L CNN +F 2 "" H 3050 3360 50 0001 C CNN +F 3 "~" H 3050 3360 50 0001 C CNN + 1 3050 3350 + 1 0 0 -1 +$EndComp +Wire Wire Line + 2250 3100 2350 3100 +Wire Wire Line + 2350 3000 2250 3000 +Connection ~ 2350 3000 +Wire Wire Line + 2350 3000 2350 3100 +Connection ~ 3050 3050 +Connection ~ 3050 3550 +Wire Wire Line + 3050 3550 3450 3550 +$EndSCHEMATC diff --git a/Miscellaneous/Lab heater and cooler/top cover.png b/Miscellaneous/Lab heater and cooler/top cover.png new file mode 100644 index 0000000..25629a0 Binary files /dev/null and b/Miscellaneous/Lab heater and cooler/top cover.png differ diff --git a/Miscellaneous/Lab heater and cooler/top cover.stl b/Miscellaneous/Lab heater and cooler/top cover.stl new file mode 100644 index 0000000..b93271d Binary files /dev/null and b/Miscellaneous/Lab heater and cooler/top cover.stl differ diff --git a/Miscellaneous/PCB support/30x30.FCStd b/Miscellaneous/PCB support/30x30.FCStd new file mode 100644 index 0000000..e6355ea Binary files /dev/null and b/Miscellaneous/PCB support/30x30.FCStd differ diff --git a/Miscellaneous/PCB support/30x30.png b/Miscellaneous/PCB support/30x30.png new file mode 100644 index 0000000..f0ff052 Binary files /dev/null and b/Miscellaneous/PCB support/30x30.png differ diff --git a/Miscellaneous/PCB support/30x30.stl b/Miscellaneous/PCB support/30x30.stl new file mode 100644 index 0000000..86c5fe9 Binary files /dev/null and b/Miscellaneous/PCB support/30x30.stl differ diff --git a/Miscellaneous/USB desk fan mod/bottom stand body.png b/Miscellaneous/USB desk fan mod/bottom stand body.png new file mode 100644 index 0000000..2ebc467 Binary files /dev/null and b/Miscellaneous/USB desk fan mod/bottom stand body.png differ diff --git a/Miscellaneous/USB desk fan mod/bottom stand body.stl b/Miscellaneous/USB desk fan mod/bottom stand body.stl new file mode 100644 index 0000000..3018ac8 Binary files /dev/null and b/Miscellaneous/USB desk fan mod/bottom stand body.stl differ diff --git a/Miscellaneous/USB desk fan mod/bottom stand cover assembly.png b/Miscellaneous/USB desk fan mod/bottom stand cover assembly.png new file mode 100644 index 0000000..c0647b7 Binary files /dev/null and b/Miscellaneous/USB desk fan mod/bottom stand cover assembly.png differ diff --git a/Miscellaneous/USB desk fan mod/bottom stand cover.stl b/Miscellaneous/USB desk fan mod/bottom stand cover.stl new file mode 100644 index 0000000..b08352f Binary files /dev/null and b/Miscellaneous/USB desk fan mod/bottom stand cover.stl differ diff --git a/Miscellaneous/USB desk fan mod/bottom stand.FCStd b/Miscellaneous/USB desk fan mod/bottom stand.FCStd new file mode 100644 index 0000000..c1f8095 Binary files /dev/null and b/Miscellaneous/USB desk fan mod/bottom stand.FCStd differ diff --git a/Miscellaneous/USB desk fan mod/extension ring.png b/Miscellaneous/USB desk fan mod/extension ring.png new file mode 100644 index 0000000..fc11fe2 Binary files /dev/null and b/Miscellaneous/USB desk fan mod/extension ring.png differ diff --git a/Miscellaneous/USB desk fan mod/extension ring.stl b/Miscellaneous/USB desk fan mod/extension ring.stl new file mode 100644 index 0000000..825cf40 Binary files /dev/null and b/Miscellaneous/USB desk fan mod/extension ring.stl differ diff --git a/Miscellaneous/USB desk fan mod/fan housing - cover assembly.png b/Miscellaneous/USB desk fan mod/fan housing - cover assembly.png new file mode 100644 index 0000000..95af21c Binary files /dev/null and b/Miscellaneous/USB desk fan mod/fan housing - cover assembly.png differ diff --git a/Miscellaneous/USB desk fan mod/fan housing - cover.stl b/Miscellaneous/USB desk fan mod/fan housing - cover.stl new file mode 100644 index 0000000..5434fb3 Binary files /dev/null and b/Miscellaneous/USB desk fan mod/fan housing - cover.stl differ diff --git a/Miscellaneous/USB desk fan mod/fan housing - fan mount.png b/Miscellaneous/USB desk fan mod/fan housing - fan mount.png new file mode 100644 index 0000000..ea78255 Binary files /dev/null and b/Miscellaneous/USB desk fan mod/fan housing - fan mount.png differ diff --git a/Miscellaneous/USB desk fan mod/fan housing - fan mount.stl b/Miscellaneous/USB desk fan mod/fan housing - fan mount.stl new file mode 100644 index 0000000..bb6e080 Binary files /dev/null and b/Miscellaneous/USB desk fan mod/fan housing - fan mount.stl differ diff --git a/Miscellaneous/USB desk fan mod/fan housing connector.FCStd b/Miscellaneous/USB desk fan mod/fan housing connector.FCStd new file mode 100644 index 0000000..d8234e6 Binary files /dev/null and b/Miscellaneous/USB desk fan mod/fan housing connector.FCStd differ diff --git a/Miscellaneous/USB desk fan mod/fan housing connector.png b/Miscellaneous/USB desk fan mod/fan housing connector.png new file mode 100644 index 0000000..cd81bd4 Binary files /dev/null and b/Miscellaneous/USB desk fan mod/fan housing connector.png differ diff --git a/Miscellaneous/USB desk fan mod/fan housing connector.stl b/Miscellaneous/USB desk fan mod/fan housing connector.stl new file mode 100644 index 0000000..fd7b325 Binary files /dev/null and b/Miscellaneous/USB desk fan mod/fan housing connector.stl differ diff --git a/Miscellaneous/USB desk fan mod/fan housing.FCStd b/Miscellaneous/USB desk fan mod/fan housing.FCStd new file mode 100644 index 0000000..757931f Binary files /dev/null and b/Miscellaneous/USB desk fan mod/fan housing.FCStd differ diff --git a/Miscellaneous/USB desk fan mod/index.html b/Miscellaneous/USB desk fan mod/index.html new file mode 100644 index 0000000..5a3b111 --- /dev/null +++ b/Miscellaneous/USB desk fan mod/index.html @@ -0,0 +1,423 @@ + + + +USB desk fan modification + + + + + + + + + + + + + +
+

USB desk fan modification

+ +
+

1 General

+
+ +
+
+ +
+

2 Project description

+
+

+End-result looks like this: +

+ + +
+

make.png +

+
+ +

+It all started with couple of cheap USB desk fans that were a bit too +noisy: +

+ + +
+

mini%20fan.png +

+
+ +

+Idea is to add DC-DC step-down converter to reduce motor voltage to +make it quieter (Purchased form here). And since I already have this +USB powered thing on my desk, why not to share this power to allow +charging of various other USB powered devices. +

+ +

+I ended up with this schematic: +schematic.png +

+ +

+USB power of 5 volts that enters the system via DC jack is distributed +to two USB-A connectors on the front panel. Note: USB data is not +connected. Therefore this hub is for power sharing only. +

+ +

+DC-DC fly-back converter could introduce voltage ripple in the +system. To smooth it out, there is capacitor (C1) and inductor (L1). +

+ +

+Step-down voltage converter has adjustable output voltage. So after +assembling, it can be tuned with screw-driver to reach desired +noise/airflow tradeoff. +

+ +

+From original fan I kept: +

+
    +
  • engine +
    • +
  • blades +
    • +
  • DC jack +
    • +
  • on/off swith +
    • +
+ +

+Engine is attached with screws to following back-plate: +

+ + +
+

fan%20housing%20-%20fan%20mount.png +

+
+ +

+And result is encased into pipelike case: +

+ + +
+

fan%20housing%20-%20cover%20assembly.png +

+
+ + +

+Download: +

+ + +

+Fan enclosure attaches to the rectangular body below using following +connector (glued to the fan housing): +

+ + +
+

fan%20housing%20connector.png +

+
+ +

+Download: +

+ + +

+Bottom part to house 2 PCBs, on/off button and DC connector: +bottom%20stand%20body.png +

+ +

+Component attachment: +make,%202.png +

+ +

+And is closed by cover: +bottom%20stand%20cover%20assembly.png +

+ +

+Download: +

+ + +

+After assembly, it looks like this from the back: +make,%203.png +

+ +

+Note, part of the body is deformed during printing. I have heated bed +and I even printed raft support in Cura and it did not help. In my +experience black PLA filament is awful in comparison to transparent +one. Has inferior flow (results in slower print speed) and tends to +deform easily. Will never buy it again. +

+ +

+Fan top and bottom halves are attached using camera tripod quick +release screw. +

+
+
+
+
+ + + diff --git a/Miscellaneous/USB desk fan mod/index.org b/Miscellaneous/USB desk fan mod/index.org new file mode 100644 index 0000000..9c14d83 --- /dev/null +++ b/Miscellaneous/USB desk fan mod/index.org @@ -0,0 +1,115 @@ +#+TITLE: USB desk fan modification +#+author: Svjatoslav Agejenko +#+LANGUAGE: en + +* (document settings) :noexport: +** use dark style for TWBS-HTML exporter +#+HTML_HEAD: +#+HTML_HEAD: +#+HTML_HEAD: +#+HTML_HEAD: + +* General ++ DISCLAIMER: I DO ELECTRONICS AND 3D DESIGN SOLELY AS A HOBBY. THERE + COULD BE ERRORS THAT CAN RESULT IN ALL KINDS OF DAMAGE. USE THESE + DESIGNS AT YOUR OWN RISK. + ++ This design is released under Creative Commons Zero (CC0) license. + ++ Authors: + - Svjatoslav Agejenko + - Homepage: https://svjatoslav.eu + - Email: [[mailto://svjatoslav@svjatoslav.eu][svjatoslav@svjatoslav.eu]] + + - Valeria Agejenko + ++ See also: + - [[../../index.html][Other physical projects in this repository]] + - [[https://www.svjatoslav.eu/projects/][Other projects hosted at svjatoslav.eu]] + +* Project description +End-result looks like this: + +[[file:make.png]] + +It all started with couple of cheap USB desk fans that were a bit too +noisy: + +[[file:mini%20fan.png]] + +Idea is to add DC-DC step-down converter to reduce motor voltage to +make it quieter ([[https://www.amazon.de/gp/product/B07K3W78SQ/ref=ppx_yo_dt_b_asin_title_o01_s00?ie=UTF8&psc=1][Purchased form here]]). And since I already have this +USB powered thing on my desk, why not to share this power to allow +charging of various other USB powered devices. + +I ended up with this schematic: +[[file:schematic.png]] + +USB power of 5 volts that enters the system via DC jack is distributed +to two USB-A connectors on the front panel. Note: USB data is not +connected. Therefore this hub is for power sharing only. + +DC-DC fly-back converter could introduce voltage ripple in the +system. To smooth it out, there is capacitor (C1) and inductor (L1). + +Step-down voltage converter has adjustable output voltage. So after +assembling, it can be tuned with screw-driver to reach desired +noise/airflow tradeoff. + +From original fan I kept: ++ engine ++ blades ++ DC jack ++ on/off swith + +Engine is attached with screws to following back-plate: + +[[file:fan%20housing%20-%20fan%20mount.png]] + +And result is encased into pipelike case: + +[[file:fan%20housing%20-%20cover%20assembly.png]] + + +Download: ++ STL: [[file:fan%20housing%20-%20fan%20mount.stl][fan mount back plate]] ++ STL: [[file:fan%20housing%20-%20cover.stl][pipe-like case]] ++ [[file:fan%20housing.FCStd][FreeCAD project]] + +Fan enclosure attaches to the rectangular body below using following +connector (glued to the fan housing): + +[[file:fan%20housing%20connector.png]] + +Download: ++ [[file:fan%20housing%20connector.stl][STL file]] ++ [[file:fan%20housing%20connector.FCStd][FreeCAD project]] + +Bottom part to house 2 PCBs, on/off button and DC connector: +[[file:bottom%20stand%20body.png]] + +Component attachment: +[[file:make,%202.png]] + +And is closed by cover: +[[file:bottom%20stand%20cover%20assembly.png]] + +Download: ++ STL: [[file:bottom%20stand%20body.stl][bottom stand body]] ++ STL: [[file:bottom%20stand%20cover.stl]] ++ [[file:bottom%20stand.FCStd][FreeCAD project]] + +After assembly, it looks like this from the back: +[[file:make,%203.png]] + +Note, part of the body is deformed during printing. I have heated bed +and I even printed raft support in Cura and it did not help. In my +experience black PLA filament is awful in comparison to transparent +one. Has inferior flow (results in slower print speed) and tends to +deform easily. Will never buy it again. + +Fan top and bottom halves are attached using [[https://www.amazon.de/gp/product/B00OOLKD2G/ref=ppx_yo_dt_b_asin_image_o00_s00?ie=UTF8&psc=1][camera tripod quick +release screw]]. diff --git a/Miscellaneous/USB desk fan mod/make, 2.png b/Miscellaneous/USB desk fan mod/make, 2.png new file mode 100644 index 0000000..6410e1b Binary files /dev/null and b/Miscellaneous/USB desk fan mod/make, 2.png differ diff --git a/Miscellaneous/USB desk fan mod/make, 3.png b/Miscellaneous/USB desk fan mod/make, 3.png new file mode 100644 index 0000000..df08299 Binary files /dev/null and b/Miscellaneous/USB desk fan mod/make, 3.png differ diff --git a/Miscellaneous/USB desk fan mod/make.png b/Miscellaneous/USB desk fan mod/make.png new file mode 100644 index 0000000..d033828 Binary files /dev/null and b/Miscellaneous/USB desk fan mod/make.png differ diff --git a/Miscellaneous/USB desk fan mod/mini fan.png b/Miscellaneous/USB desk fan mod/mini fan.png new file mode 100644 index 0000000..9cbc8d5 Binary files /dev/null and b/Miscellaneous/USB desk fan mod/mini fan.png differ diff --git a/Miscellaneous/USB desk fan mod/schematic.png b/Miscellaneous/USB desk fan mod/schematic.png new file mode 100644 index 0000000..4243d4e Binary files /dev/null and b/Miscellaneous/USB desk fan mod/schematic.png differ diff --git a/Miscellaneous/USB desk fan mod/schematic/DCDC_stepdown.sch b/Miscellaneous/USB desk fan mod/schematic/DCDC_stepdown.sch new file mode 100644 index 0000000..37776c6 --- /dev/null +++ b/Miscellaneous/USB desk fan mod/schematic/DCDC_stepdown.sch @@ -0,0 +1,22 @@ +EESchema Schematic File Version 4 +EELAYER 30 0 +EELAYER END +$Descr A4 11693 8268 +encoding utf-8 +Sheet 2 2 +Title "" +Date "" +Rev "" +Comp "" +Comment1 "" +Comment2 "" +Comment3 "" +Comment4 "" +$EndDescr +Text HLabel 3200 3150 0 50 Input ~ 0 +Vin +Text HLabel 4050 3150 2 50 Output ~ 0 +Vout +Text HLabel 3550 3500 0 50 UnSpc ~ 0 +GND +$EndSCHEMATC diff --git a/Miscellaneous/USB desk fan mod/schematic/DCDC_stepdown.sch-bak b/Miscellaneous/USB desk fan mod/schematic/DCDC_stepdown.sch-bak new file mode 100644 index 0000000..37776c6 --- /dev/null +++ b/Miscellaneous/USB desk fan mod/schematic/DCDC_stepdown.sch-bak @@ -0,0 +1,22 @@ +EESchema Schematic File Version 4 +EELAYER 30 0 +EELAYER END +$Descr A4 11693 8268 +encoding utf-8 +Sheet 2 2 +Title "" +Date "" +Rev "" +Comp "" +Comment1 "" +Comment2 "" +Comment3 "" +Comment4 "" +$EndDescr +Text HLabel 3200 3150 0 50 Input ~ 0 +Vin +Text HLabel 4050 3150 2 50 Output ~ 0 +Vout +Text HLabel 3550 3500 0 50 UnSpc ~ 0 +GND +$EndSCHEMATC diff --git a/Miscellaneous/USB desk fan mod/schematic/cooler-cache.lib b/Miscellaneous/USB desk fan mod/schematic/cooler-cache.lib new file mode 100644 index 0000000..d22d3e2 --- /dev/null +++ b/Miscellaneous/USB desk fan mod/schematic/cooler-cache.lib @@ -0,0 +1,155 @@ +EESchema-LIBRARY Version 2.4 +#encoding utf-8 +# +# Connector_Jack-DC +# +DEF Connector_Jack-DC J 0 40 Y Y 1 F N +F0 "J" 0 210 50 H V C CNN +F1 "Connector_Jack-DC" 0 -200 50 H V C CNN +F2 "" 50 -40 50 H I C CNN +F3 "" 50 -40 50 H I C CNN +ALIAS Jack-DC +$FPLIST + BarrelJack* +$ENDFPLIST +DRAW +A -130 100 25 901 -901 0 1 10 F -130 125 -130 75 +A -130 100 25 901 -901 0 1 10 N -130 125 -130 75 +S -200 150 200 -150 0 1 10 f +S 145 125 -130 75 0 1 10 F +P 2 0 1 10 200 100 150 100 N +P 6 0 1 10 -150 -100 -100 -100 -50 -50 0 -100 100 -100 200 -100 N +X ~ 1 300 100 100 L 50 50 1 1 P +X ~ 2 300 -100 100 L 50 50 1 1 P +ENDDRAW +ENDDEF +# +# Connector_USB_A +# +DEF Connector_USB_A J 0 40 Y Y 1 F N +F0 "J" -200 450 50 H V L CNN +F1 "Connector_USB_A" -200 350 50 H V L CNN +F2 "" 150 -50 50 H I C CNN +F3 "" 150 -50 50 H I C CNN +$FPLIST + USB* +$ENDFPLIST +DRAW +C -150 85 25 0 1 10 F +C -25 135 15 0 1 10 F +S -200 -300 200 300 0 1 10 f +S -60 190 -170 210 0 1 0 F +S -50 180 -180 230 0 1 0 N +S -5 -300 5 -270 0 1 0 N +S 10 50 -20 20 0 1 10 F +S 200 -105 170 -95 0 1 0 N +S 200 -5 170 5 0 1 0 N +S 200 195 170 205 0 1 0 N +P 4 0 1 10 -125 85 -100 85 -50 135 -25 135 N +P 4 0 1 10 -100 85 -75 85 -50 35 0 35 N +P 4 0 1 10 25 110 25 60 75 85 25 110 F +P 2 1 1 10 -75 85 25 85 N +X VBUS 1 300 200 100 L 50 50 1 1 W +X D- 2 300 -100 100 L 50 50 1 1 P +X D+ 3 300 0 100 L 50 50 1 1 P +X GND 4 0 -400 100 U 50 50 1 1 W +X Shield 5 -100 -400 100 U 50 50 1 1 P +ENDDRAW +ENDDEF +# +# Device_C +# +DEF Device_C C 0 10 N Y 1 F N +F0 "C" 25 100 50 H V L CNN +F1 "Device_C" 25 -100 50 H V L CNN +F2 "" 38 -150 50 H I C CNN +F3 "" 0 0 50 H I C CNN +$FPLIST + C_* +$ENDFPLIST +DRAW +P 2 0 1 20 -80 -30 80 -30 N +P 2 0 1 20 -80 30 80 30 N +X ~ 1 0 150 110 D 50 50 1 1 P +X ~ 2 0 -150 110 U 50 50 1 1 P +ENDDRAW +ENDDEF +# +# Device_L +# +DEF Device_L L 0 40 N N 1 F N +F0 "L" -50 0 50 V V C CNN +F1 "Device_L" 75 0 50 V V C CNN +F2 "" 0 0 50 H I C CNN +F3 "" 0 0 50 H I C CNN +$FPLIST + Choke_* + *Coil* + Inductor_* + L_* +$ENDFPLIST +DRAW +A 0 -75 25 -899 899 0 1 0 N 0 -100 0 -50 +A 0 -25 25 -899 899 0 1 0 N 0 -50 0 0 +A 0 25 25 -899 899 0 1 0 N 0 0 0 50 +A 0 75 25 -899 899 0 1 0 N 0 50 0 100 +X 1 1 0 150 50 D 50 50 1 1 P +X 2 2 0 -150 50 U 50 50 1 1 P +ENDDRAW +ENDDEF +# +# Motor_Fan +# +DEF Motor_Fan M 0 0 Y Y 1 F N +F0 "M" 100 200 50 H V L CNN +F1 "Motor_Fan" 100 -100 50 H V L TNN +F2 "" 0 10 50 H I C CNN +F3 "" 0 10 50 H I C CNN +$FPLIST + PinHeader*P2.54mm* + TerminalBlock* +$ENDFPLIST +DRAW +A -98 94 113 297 -910 0 1 0 N 0 150 -100 -20 +A 0 -70 112 1534 266 0 1 0 N -100 -20 100 -20 +A 103 95 115 -915 1519 0 1 0 N 100 -20 0 150 +C 0 40 128 0 1 10 N +P 2 0 1 0 0 -200 0 -180 N +P 2 0 1 0 0 -88 0 -104 N +P 2 0 1 0 0 168 0 182 N +P 2 0 1 0 0 180 0 200 N +X + 1 0 300 100 D 50 50 1 1 P +X - 2 0 -200 100 U 50 50 1 1 P +ENDDRAW +ENDDEF +# +# Switch_SW_SPST +# +DEF Switch_SW_SPST SW 0 0 Y N 1 F N +F0 "SW" 0 125 50 H V C CNN +F1 "Switch_SW_SPST" 0 -100 50 H V C CNN +F2 "" 0 0 50 H I C CNN +F3 "" 0 0 50 H I C CNN +DRAW +C -80 0 20 0 0 0 N +C 80 0 20 0 0 0 N +P 2 0 0 0 -60 10 60 70 N +X A 1 -200 0 100 R 50 50 1 1 P +X B 2 200 0 100 L 50 50 1 1 P +ENDDRAW +ENDDEF +# +# power_GND +# +DEF power_GND #PWR 0 0 Y Y 1 F P +F0 "#PWR" 0 -250 50 H I C CNN +F1 "power_GND" 0 -150 50 H V C CNN +F2 "" 0 0 50 H I C CNN +F3 "" 0 0 50 H I C CNN +DRAW +P 6 0 1 0 0 0 0 -50 50 -50 0 -100 -50 -50 0 -50 N +X GND 1 0 0 0 D 50 50 1 1 W N +ENDDRAW +ENDDEF +# +#End Library diff --git a/Miscellaneous/USB desk fan mod/schematic/cooler.kicad_pcb b/Miscellaneous/USB desk fan mod/schematic/cooler.kicad_pcb new file mode 100644 index 0000000..02c8ecb --- /dev/null +++ b/Miscellaneous/USB desk fan mod/schematic/cooler.kicad_pcb @@ -0,0 +1 @@ +(kicad_pcb (version 4) (host kicad "dummy file") ) diff --git a/Miscellaneous/USB desk fan mod/schematic/cooler.pro b/Miscellaneous/USB desk fan mod/schematic/cooler.pro new file mode 100644 index 0000000..152769c --- /dev/null +++ b/Miscellaneous/USB desk fan mod/schematic/cooler.pro @@ -0,0 +1,33 @@ +update=22/05/2015 07:44:53 +version=1 +last_client=kicad +[general] +version=1 +RootSch= +BoardNm= +[pcbnew] +version=1 +LastNetListRead= +UseCmpFile=1 +PadDrill=0.600000000000 +PadDrillOvalY=0.600000000000 +PadSizeH=1.500000000000 +PadSizeV=1.500000000000 +PcbTextSizeV=1.500000000000 +PcbTextSizeH=1.500000000000 +PcbTextThickness=0.300000000000 +ModuleTextSizeV=1.000000000000 +ModuleTextSizeH=1.000000000000 +ModuleTextSizeThickness=0.150000000000 +SolderMaskClearance=0.000000000000 +SolderMaskMinWidth=0.000000000000 +DrawSegmentWidth=0.200000000000 +BoardOutlineThickness=0.100000000000 +ModuleOutlineThickness=0.150000000000 +[cvpcb] +version=1 +NetIExt=net +[eeschema] +version=1 +LibDir= +[eeschema/libraries] diff --git a/Miscellaneous/USB desk fan mod/schematic/cooler.sch b/Miscellaneous/USB desk fan mod/schematic/cooler.sch new file mode 100644 index 0000000..71e62df --- /dev/null +++ b/Miscellaneous/USB desk fan mod/schematic/cooler.sch @@ -0,0 +1,203 @@ +EESchema Schematic File Version 4 +EELAYER 30 0 +EELAYER END +$Descr A4 11693 8268 +encoding utf-8 +Sheet 1 2 +Title "" +Date "" +Rev "" +Comp "" +Comment1 "" +Comment2 "" +Comment3 "" +Comment4 "" +$EndDescr +$Comp +L Connector:Jack-DC J1 +U 1 1 5F2FD982 +P 5800 2250 +F 0 "J1" H 5857 2575 50 0000 C CNN +F 1 "Jack-DC" H 5857 2484 50 0000 C CNN +F 2 "" H 5850 2210 50 0001 C CNN +F 3 "~" H 5850 2210 50 0001 C CNN + 1 5800 2250 + 1 0 0 -1 +$EndComp +$Comp +L Connector:USB_A J3 +U 1 1 5F2FEA01 +P 5800 3000 +F 0 "J3" H 5857 3467 50 0000 C CNN +F 1 "USB_A" H 5857 3376 50 0000 C CNN +F 2 "" H 5950 2950 50 0001 C CNN +F 3 " ~" H 5950 2950 50 0001 C CNN + 1 5800 3000 + 1 0 0 -1 +$EndComp +$Comp +L Device:L L1 +U 1 1 5F300800 +P 6600 2400 +F 0 "L1" V 6419 2400 50 0000 C CNN +F 1 "L" V 6510 2400 50 0000 C CNN +F 2 "" H 6600 2400 50 0001 C CNN +F 3 "~" H 6600 2400 50 0001 C CNN + 1 6600 2400 + 1 0 0 -1 +$EndComp +$Comp +L Switch:SW_SPST SW1 +U 1 1 5F301417 +P 6600 3100 +F 0 "SW1" H 6600 3335 50 0000 C CNN +F 1 "SW_SPST" H 6600 3244 50 0000 C CNN +F 2 "" H 6600 3100 50 0001 C CNN +F 3 "~" H 6600 3100 50 0001 C CNN + 1 6600 3100 + 0 -1 -1 0 +$EndComp +$Sheet +S 6750 3150 850 450 +U 5F3090BB +F0 "DCDC stepdown" 50 +F1 "DCDC_stepdown.sch" 50 +F2 "Vin" I L 6750 3300 50 +F3 "Vout" O R 7600 3300 50 +F4 "GND" U R 7600 3500 50 +$EndSheet +Wire Wire Line + 7600 3500 7750 3500 +Wire Wire Line + 7750 3500 7750 3900 +$Comp +L Motor:Fan M1 +U 1 1 5F30D281 +P 8000 3650 +F 0 "M1" H 8158 3746 50 0000 L CNN +F 1 "Fan" H 8158 3655 50 0000 L CNN +F 2 "" H 8000 3660 50 0001 C CNN +F 3 "~" H 8000 3660 50 0001 C CNN + 1 8000 3650 + 1 0 0 -1 +$EndComp +Wire Wire Line + 8000 3850 8000 3900 +Wire Wire Line + 8000 3900 7750 3900 +Wire Wire Line + 8000 3350 8000 3300 +Wire Wire Line + 8000 3300 7600 3300 +Wire Wire Line + 6600 3300 6750 3300 +$Comp +L Connector:USB_A J2 +U 1 1 5F2FDD54 +P 5800 4050 +F 0 "J2" H 5857 4517 50 0000 C CNN +F 1 "USB_A" H 5857 4426 50 0000 C CNN +F 2 "" H 5950 4000 50 0001 C CNN +F 3 " ~" H 5950 4000 50 0001 C CNN + 1 5800 4050 + 1 0 0 -1 +$EndComp +$Comp +L power:GND #PWR05 +U 1 1 5F33C53A +P 7750 4000 +F 0 "#PWR05" H 7750 3750 50 0001 C CNN +F 1 "GND" H 7755 3827 50 0000 C CNN +F 2 "" H 7750 4000 50 0001 C CNN +F 3 "" H 7750 4000 50 0001 C CNN + 1 7750 4000 + 1 0 0 -1 +$EndComp +Wire Wire Line + 7750 3900 7750 4000 +Connection ~ 7750 3900 +$Comp +L power:GND #PWR03 +U 1 1 5F340A00 +P 6100 2500 +F 0 "#PWR03" H 6100 2250 50 0001 C CNN +F 1 "GND" H 6105 2327 50 0000 C CNN +F 2 "" H 6100 2500 50 0001 C CNN +F 3 "" H 6100 2500 50 0001 C CNN + 1 6100 2500 + 1 0 0 -1 +$EndComp +Wire Wire Line + 6100 2500 6100 2350 +Wire Wire Line + 6100 2150 6350 2150 +Wire Wire Line + 6350 2150 6350 2800 +Wire Wire Line + 6100 2800 6350 2800 +Connection ~ 6350 2800 +$Comp +L power:GND #PWR01 +U 1 1 5F3100AA +P 5800 3500 +F 0 "#PWR01" H 5800 3250 50 0001 C CNN +F 1 "GND" H 5805 3327 50 0000 C CNN +F 2 "" H 5800 3500 50 0001 C CNN +F 3 "" H 5800 3500 50 0001 C CNN + 1 5800 3500 + 1 0 0 -1 +$EndComp +$Comp +L power:GND #PWR02 +U 1 1 5F3104D0 +P 5800 4550 +F 0 "#PWR02" H 5800 4300 50 0001 C CNN +F 1 "GND" H 5805 4377 50 0000 C CNN +F 2 "" H 5800 4550 50 0001 C CNN +F 3 "" H 5800 4550 50 0001 C CNN + 1 5800 4550 + 1 0 0 -1 +$EndComp +Wire Wire Line + 5800 3500 5800 3400 +Wire Wire Line + 5800 4550 5800 4450 +Wire Wire Line + 6350 2150 6600 2150 +Wire Wire Line + 6600 2150 6600 2250 +Connection ~ 6350 2150 +Wire Wire Line + 6600 2900 6600 2550 +Wire Wire Line + 6100 3850 6350 3850 +Wire Wire Line + 6350 2800 6350 3850 +$Comp +L Device:C C1 +U 1 1 5F321361 +P 6350 4150 +F 0 "C1" H 6465 4196 50 0000 L CNN +F 1 "C" H 6465 4105 50 0000 L CNN +F 2 "" H 6388 4000 50 0001 C CNN +F 3 "~" H 6350 4150 50 0001 C CNN + 1 6350 4150 + 1 0 0 -1 +$EndComp +Wire Wire Line + 6350 4000 6350 3850 +Connection ~ 6350 3850 +$Comp +L power:GND #PWR04 +U 1 1 5F321B30 +P 6350 4450 +F 0 "#PWR04" H 6350 4200 50 0001 C CNN +F 1 "GND" H 6355 4277 50 0000 C CNN +F 2 "" H 6350 4450 50 0001 C CNN +F 3 "" H 6350 4450 50 0001 C CNN + 1 6350 4450 + 1 0 0 -1 +$EndComp +Wire Wire Line + 6350 4450 6350 4300 +$EndSCHEMATC diff --git a/Miscellaneous/USB desk fan mod/schematic/cooler.sch-bak b/Miscellaneous/USB desk fan mod/schematic/cooler.sch-bak new file mode 100644 index 0000000..344389d --- /dev/null +++ b/Miscellaneous/USB desk fan mod/schematic/cooler.sch-bak @@ -0,0 +1,199 @@ +EESchema Schematic File Version 4 +EELAYER 30 0 +EELAYER END +$Descr A4 11693 8268 +encoding utf-8 +Sheet 1 2 +Title "" +Date "" +Rev "" +Comp "" +Comment1 "" +Comment2 "" +Comment3 "" +Comment4 "" +$EndDescr +$Comp +L Connector:Jack-DC J1 +U 1 1 5F2FD982 +P 5800 2250 +F 0 "J1" H 5857 2575 50 0000 C CNN +F 1 "Jack-DC" H 5857 2484 50 0000 C CNN +F 2 "" H 5850 2210 50 0001 C CNN +F 3 "~" H 5850 2210 50 0001 C CNN + 1 5800 2250 + 1 0 0 -1 +$EndComp +$Comp +L Connector:USB_A J3 +U 1 1 5F2FEA01 +P 6800 3250 +F 0 "J3" H 6857 3717 50 0000 C CNN +F 1 "USB_A" H 6857 3626 50 0000 C CNN +F 2 "" H 6950 3200 50 0001 C CNN +F 3 " ~" H 6950 3200 50 0001 C CNN + 1 6800 3250 + -1 0 0 1 +$EndComp +Wire Wire Line + 6250 3250 6500 3250 +$Comp +L Device:L L1 +U 1 1 5F300800 +P 6750 2150 +F 0 "L1" V 6569 2150 50 0000 C CNN +F 1 "L" V 6660 2150 50 0000 C CNN +F 2 "" H 6750 2150 50 0001 C CNN +F 3 "~" H 6750 2150 50 0001 C CNN + 1 6750 2150 + 0 1 1 0 +$EndComp +$Comp +L Switch:SW_SPST SW1 +U 1 1 5F301417 +P 6950 2450 +F 0 "SW1" H 6950 2685 50 0000 C CNN +F 1 "SW_SPST" H 6950 2594 50 0000 C CNN +F 2 "" H 6950 2450 50 0001 C CNN +F 3 "~" H 6950 2450 50 0001 C CNN + 1 6950 2450 + 0 -1 -1 0 +$EndComp +Wire Wire Line + 6600 2150 6400 2150 +$Sheet +S 7100 2500 850 450 +U 5F3090BB +F0 "DCDC stepdown" 50 +F1 "DCDC_stepdown.sch" 50 +F2 "Vin" I L 7100 2650 50 +F3 "Vout" O R 7950 2650 50 +F4 "GND" U R 7950 2850 50 +$EndSheet +Wire Wire Line + 7950 2850 8100 2850 +Wire Wire Line + 8100 2850 8100 3250 +$Comp +L Device:C C1 +U 1 1 5F30C054 +P 6400 2700 +F 0 "C1" H 6515 2746 50 0000 L CNN +F 1 "C" H 6515 2655 50 0000 L CNN +F 2 "" H 6438 2550 50 0001 C CNN +F 3 "~" H 6400 2700 50 0001 C CNN + 1 6400 2700 + 1 0 0 -1 +$EndComp +Wire Wire Line + 6400 2550 6400 2150 +$Comp +L Motor:Fan M1 +U 1 1 5F30D281 +P 8350 3000 +F 0 "M1" H 8508 3096 50 0000 L CNN +F 1 "Fan" H 8508 3005 50 0000 L CNN +F 2 "" H 8350 3010 50 0001 C CNN +F 3 "~" H 8350 3010 50 0001 C CNN + 1 8350 3000 + 1 0 0 -1 +$EndComp +Wire Wire Line + 8350 3200 8350 3250 +Wire Wire Line + 8350 3250 8100 3250 +Wire Wire Line + 8350 2700 8350 2650 +Wire Wire Line + 8350 2650 7950 2650 +Wire Wire Line + 6950 2250 6950 2150 +Wire Wire Line + 6950 2150 6900 2150 +Wire Wire Line + 6950 2650 7100 2650 +$Comp +L Connector:USB_A J2 +U 1 1 5F2FDD54 +P 6800 4200 +F 0 "J2" H 6857 4667 50 0000 C CNN +F 1 "USB_A" H 6857 4576 50 0000 C CNN +F 2 "" H 6950 4150 50 0001 C CNN +F 3 " ~" H 6950 4150 50 0001 C CNN + 1 6800 4200 + -1 0 0 1 +$EndComp +Wire Wire Line + 6500 4100 6400 4100 +Wire Wire Line + 6250 4200 6250 3250 +Wire Wire Line + 6250 4200 6500 4200 +Wire Wire Line + 6250 2150 6400 2150 +Connection ~ 6250 3250 +Connection ~ 6400 2150 +$Comp +L power:GND #PWR? +U 1 1 5F33C53A +P 8100 3350 +F 0 "#PWR?" H 8100 3100 50 0001 C CNN +F 1 "GND" H 8105 3177 50 0000 C CNN +F 2 "" H 8100 3350 50 0001 C CNN +F 3 "" H 8100 3350 50 0001 C CNN + 1 8100 3350 + 1 0 0 -1 +$EndComp +Wire Wire Line + 8100 3250 8100 3350 +Connection ~ 8100 3250 +$Comp +L power:GND #PWR? +U 1 1 5F340A00 +P 6100 2500 +F 0 "#PWR?" H 6100 2250 50 0001 C CNN +F 1 "GND" H 6105 2327 50 0000 C CNN +F 2 "" H 6100 2500 50 0001 C CNN +F 3 "" H 6100 2500 50 0001 C CNN + 1 6100 2500 + 1 0 0 -1 +$EndComp +Wire Wire Line + 6100 2500 6100 2350 +Wire Wire Line + 6100 2150 6250 2150 +Connection ~ 6250 2150 +Wire Wire Line + 6250 2150 6250 3250 +$Comp +L power:GND #PWR? +U 1 1 5F34448E +P 6400 4300 +F 0 "#PWR?" H 6400 4050 50 0001 C CNN +F 1 "GND" H 6405 4127 50 0000 C CNN +F 2 "" H 6400 4300 50 0001 C CNN +F 3 "" H 6400 4300 50 0001 C CNN + 1 6400 4300 + 1 0 0 -1 +$EndComp +Wire Wire Line + 6400 4300 6400 4100 +$Comp +L power:GND #PWR? +U 1 1 5F344A85 +P 6400 3350 +F 0 "#PWR?" H 6400 3100 50 0001 C CNN +F 1 "GND" H 6405 3177 50 0000 C CNN +F 2 "" H 6400 3350 50 0001 C CNN +F 3 "" H 6400 3350 50 0001 C CNN + 1 6400 3350 + 1 0 0 -1 +$EndComp +Wire Wire Line + 6400 3350 6400 3150 +Wire Wire Line + 6400 3150 6500 3150 +Wire Wire Line + 6400 2850 6400 3150 +Connection ~ 6400 3150 +$EndSCHEMATC diff --git a/Miscellaneous/USB desk fan mod/schematic/fp-info-cache b/Miscellaneous/USB desk fan mod/schematic/fp-info-cache new file mode 100644 index 0000000..573541a --- /dev/null +++ b/Miscellaneous/USB desk fan mod/schematic/fp-info-cache @@ -0,0 +1 @@ +0 diff --git a/Miscellaneous/adjustable resistor/KiCad project/project-cache.lib b/Miscellaneous/adjustable resistor/KiCad project/project-cache.lib new file mode 100644 index 0000000..93f6eb9 --- /dev/null +++ b/Miscellaneous/adjustable resistor/KiCad project/project-cache.lib @@ -0,0 +1,86 @@ +EESchema-LIBRARY Version 2.4 +#encoding utf-8 +# +# Connector_USB_A +# +DEF Connector_USB_A J 0 40 Y Y 1 F N +F0 "J" -200 450 50 H V L CNN +F1 "Connector_USB_A" -200 350 50 H V L CNN +F2 "" 150 -50 50 H I C CNN +F3 "" 150 -50 50 H I C CNN +$FPLIST + USB* +$ENDFPLIST +DRAW +C -150 85 25 0 1 10 F +C -25 135 15 0 1 10 F +S -200 -300 200 300 0 1 10 f +S -60 190 -170 210 0 1 0 F +S -50 180 -180 230 0 1 0 N +S -5 -300 5 -270 0 1 0 N +S 10 50 -20 20 0 1 10 F +S 200 -105 170 -95 0 1 0 N +S 200 -5 170 5 0 1 0 N +S 200 195 170 205 0 1 0 N +P 4 0 1 10 -125 85 -100 85 -50 135 -25 135 N +P 4 0 1 10 -100 85 -75 85 -50 35 0 35 N +P 4 0 1 10 25 110 25 60 75 85 25 110 F +P 2 1 1 10 -75 85 25 85 N +X VBUS 1 300 200 100 L 50 50 1 1 W +X D- 2 300 -100 100 L 50 50 1 1 P +X D+ 3 300 0 100 L 50 50 1 1 P +X GND 4 0 -400 100 U 50 50 1 1 W +X Shield 5 -100 -400 100 U 50 50 1 1 P +ENDDRAW +ENDDEF +# +# Device_Lamp +# +DEF Device_Lamp LA 0 1 N N 1 F N +F0 "LA" 25 150 50 H V L CNN +F1 "Device_Lamp" 25 -150 50 H V L CNN +F2 "" 0 100 50 V I C CNN +F3 "" 0 100 50 V I C CNN +DRAW +C 0 0 100 0 1 0 N +P 2 0 1 0 -70 70 70 -70 N +P 2 0 1 0 70 70 -70 -70 N +X - 1 0 -200 100 U 50 50 1 1 P +X + 2 0 200 100 D 50 50 1 1 P +ENDDRAW +ENDDEF +# +# Device_R +# +DEF Device_R R 0 0 N Y 1 F N +F0 "R" 80 0 50 V V C CNN +F1 "Device_R" 0 0 50 V V C CNN +F2 "" -70 0 50 V I C CNN +F3 "" 0 0 50 H I C CNN +$FPLIST + R_* +$ENDFPLIST +DRAW +S -40 -100 40 100 0 1 10 N +X ~ 1 0 150 50 D 50 50 1 1 P +X ~ 2 0 -150 50 U 50 50 1 1 P +ENDDRAW +ENDDEF +# +# Switch_SW_SPST +# +DEF Switch_SW_SPST SW 0 0 Y N 1 F N +F0 "SW" 0 125 50 H V C CNN +F1 "Switch_SW_SPST" 0 -100 50 H V C CNN +F2 "" 0 0 50 H I C CNN +F3 "" 0 0 50 H I C CNN +DRAW +C -80 0 20 0 0 0 N +C 80 0 20 0 0 0 N +P 2 0 0 0 -60 10 60 70 N +X A 1 -200 0 100 R 50 50 1 1 P +X B 2 200 0 100 L 50 50 1 1 P +ENDDRAW +ENDDEF +# +#End Library diff --git a/Miscellaneous/adjustable resistor/KiCad project/project.kicad_pcb b/Miscellaneous/adjustable resistor/KiCad project/project.kicad_pcb new file mode 100644 index 0000000..02c8ecb --- /dev/null +++ b/Miscellaneous/adjustable resistor/KiCad project/project.kicad_pcb @@ -0,0 +1 @@ +(kicad_pcb (version 4) (host kicad "dummy file") ) diff --git a/Miscellaneous/adjustable resistor/KiCad project/project.pro b/Miscellaneous/adjustable resistor/KiCad project/project.pro new file mode 100644 index 0000000..152769c --- /dev/null +++ b/Miscellaneous/adjustable resistor/KiCad project/project.pro @@ -0,0 +1,33 @@ +update=22/05/2015 07:44:53 +version=1 +last_client=kicad +[general] +version=1 +RootSch= +BoardNm= +[pcbnew] +version=1 +LastNetListRead= +UseCmpFile=1 +PadDrill=0.600000000000 +PadDrillOvalY=0.600000000000 +PadSizeH=1.500000000000 +PadSizeV=1.500000000000 +PcbTextSizeV=1.500000000000 +PcbTextSizeH=1.500000000000 +PcbTextThickness=0.300000000000 +ModuleTextSizeV=1.000000000000 +ModuleTextSizeH=1.000000000000 +ModuleTextSizeThickness=0.150000000000 +SolderMaskClearance=0.000000000000 +SolderMaskMinWidth=0.000000000000 +DrawSegmentWidth=0.200000000000 +BoardOutlineThickness=0.100000000000 +ModuleOutlineThickness=0.150000000000 +[cvpcb] +version=1 +NetIExt=net +[eeschema] +version=1 +LibDir= +[eeschema/libraries] diff --git a/Miscellaneous/adjustable resistor/KiCad project/project.sch b/Miscellaneous/adjustable resistor/KiCad project/project.sch new file mode 100644 index 0000000..ba9c2ca --- /dev/null +++ b/Miscellaneous/adjustable resistor/KiCad project/project.sch @@ -0,0 +1,559 @@ +EESchema Schematic File Version 4 +EELAYER 30 0 +EELAYER END +$Descr A4 11693 8268 +encoding utf-8 +Sheet 1 1 +Title "" +Date "" +Rev "" +Comp "" +Comment1 "" +Comment2 "" +Comment3 "" +Comment4 "" +$EndDescr +$Comp +L Connector:USB_A J1 +U 1 1 5F4101A8 +P 4150 3000 +F 0 "J1" H 4207 3467 50 0000 C CNN +F 1 "USB_A" H 4207 3376 50 0000 C CNN +F 2 "" H 4300 2950 50 0001 C CNN +F 3 " ~" H 4300 2950 50 0001 C CNN + 1 4150 3000 + 1 0 0 -1 +$EndComp +Wire Wire Line + 4450 3100 4550 3100 +Wire Wire Line + 4550 3000 4450 3000 +$Comp +L Switch:SW_SPST SW3 +U 1 1 5F410F20 +P 4750 4400 +F 0 "SW3" H 4750 4635 50 0000 C CNN +F 1 "SW_SPST" H 4750 4544 50 0000 C CNN +F 2 "" H 4750 4400 50 0001 C CNN +F 3 "~" H 4750 4400 50 0001 C CNN + 1 4750 4400 + 1 0 0 -1 +$EndComp +$Comp +L Device:R R2 +U 1 1 5F411557 +P 4750 4650 +F 0 "R2" V 4543 4650 50 0000 C CNN +F 1 "8" V 4634 4650 50 0000 C CNN +F 2 "" V 4680 4650 50 0001 C CNN +F 3 "~" H 4750 4650 50 0001 C CNN + 1 4750 4650 + 0 1 1 0 +$EndComp +Wire Wire Line + 4550 4400 4550 4650 +Wire Wire Line + 4550 4650 4600 4650 +$Comp +L Switch:SW_SPST SW6 +U 1 1 5F4130F6 +P 5250 4400 +F 0 "SW6" H 5250 4635 50 0000 C CNN +F 1 "SW_SPST" H 5250 4544 50 0000 C CNN +F 2 "" H 5250 4400 50 0001 C CNN +F 3 "~" H 5250 4400 50 0001 C CNN + 1 5250 4400 + 1 0 0 -1 +$EndComp +$Comp +L Device:R R4 +U 1 1 5F413100 +P 5250 4650 +F 0 "R4" V 5043 4650 50 0000 C CNN +F 1 "4" V 5134 4650 50 0000 C CNN +F 2 "" V 5180 4650 50 0001 C CNN +F 3 "~" H 5250 4650 50 0001 C CNN + 1 5250 4650 + 0 1 1 0 +$EndComp +Wire Wire Line + 5000 4650 5100 4650 +Wire Wire Line + 4950 4400 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resistor/KiCad project/project.sch-bak new file mode 100644 index 0000000..8a080e3 --- /dev/null +++ b/Miscellaneous/adjustable resistor/KiCad project/project.sch-bak @@ -0,0 +1,564 @@ +EESchema Schematic File Version 4 +EELAYER 30 0 +EELAYER END +$Descr A4 11693 8268 +encoding utf-8 +Sheet 1 1 +Title "" +Date "" +Rev "" +Comp "" +Comment1 "" +Comment2 "" +Comment3 "" +Comment4 "" +$EndDescr +$Comp +L Connector:USB_A J1 +U 1 1 5F4101A8 +P 3850 3350 +F 0 "J1" H 3907 3817 50 0000 C CNN +F 1 "USB_A" H 3907 3726 50 0000 C CNN +F 2 "" H 4000 3300 50 0001 C CNN +F 3 " ~" H 4000 3300 50 0001 C CNN + 1 3850 3350 + 1 0 0 -1 +$EndComp +Wire Wire Line + 4150 3450 4250 3450 +Wire Wire Line + 4250 3350 4150 3350 +$Comp +L Switch:SW_SPST SW3 +U 1 1 5F410F20 +P 4750 4400 +F 0 "SW3" H 4750 4635 50 0000 C CNN +F 1 "SW_SPST" H 4750 4544 50 0000 C CNN +F 2 "" H 4750 4400 50 0001 C CNN +F 3 "~" H 4750 4400 50 0001 C CNN + 1 4750 4400 + 1 0 0 -1 +$EndComp +$Comp +L Device:R R2 +U 1 1 5F411557 +P 4750 4650 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CNN +F 1 "SW_SPST" H 5250 2894 50 0000 C CNN +F 2 "" H 5250 2750 50 0001 C CNN +F 3 "~" H 5250 2750 50 0001 C CNN + 1 5250 2750 + 1 0 0 -1 +$EndComp +Wire Wire Line + 4950 2750 5000 2750 +Wire Wire Line + 5000 2750 5000 3000 +Connection ~ 5000 2750 +Wire Wire Line + 5000 2750 5050 2750 +$Comp +L Switch:SW_SPST SW7 +U 1 1 5F445A0B +P 5750 2750 +F 0 "SW7" H 5750 2985 50 0000 C CNN +F 1 "SW_SPST" H 5750 2894 50 0000 C CNN +F 2 "" H 5750 2750 50 0001 C CNN +F 3 "~" H 5750 2750 50 0001 C CNN + 1 5750 2750 + 1 0 0 -1 +$EndComp +Wire Wire Line + 5450 2750 5500 2750 +Wire Wire Line + 5500 2750 5500 3000 +Connection ~ 5500 2750 +Wire Wire Line + 5500 2750 5550 2750 +$Comp +L Switch:SW_SPST SW10 +U 1 1 5F445A26 +P 6250 2750 +F 0 "SW10" H 6250 2985 50 0000 C CNN +F 1 "SW_SPST" H 6250 2894 50 0000 C CNN +F 2 "" H 6250 2750 50 0001 C CNN +F 3 "~" H 6250 2750 50 0001 C CNN + 1 6250 2750 + 1 0 0 -1 +$EndComp +$Comp +L Switch:SW_SPST SW13 +U 1 1 5F445A3A +P 6750 2750 +F 0 "SW13" H 6750 2985 50 0000 C CNN +F 1 "SW_SPST" H 6750 2894 50 0000 C CNN +F 2 "" H 6750 2750 50 0001 C CNN +F 3 "~" H 6750 2750 50 0001 C CNN + 1 6750 2750 + 1 0 0 -1 +$EndComp +$Comp +L Device:R R9 +U 1 1 5F445A44 +P 6750 3000 +F 0 "R9" V 6543 3000 50 0000 C CNN +F 1 "512" V 6634 3000 50 0000 C CNN +F 2 "" V 6680 3000 50 0001 C CNN +F 3 "~" H 6750 3000 50 0001 C CNN + 1 6750 3000 + 0 1 1 0 +$EndComp +Wire Wire Line + 6500 3000 6600 3000 +Wire Wire Line + 6450 2750 6500 2750 +Wire Wire Line + 6500 2750 6500 3000 +Connection ~ 6500 2750 +Wire Wire Line + 6500 2750 6550 2750 +Wire Wire Line + 6950 2750 7000 2750 +Wire Wire Line + 7000 2750 7000 3000 +Wire Wire Line + 6900 3000 7000 3000 +Wire Wire Line + 5950 2750 6000 2750 +Wire Wire Line + 6000 2750 6000 3000 +Connection ~ 6000 2750 +Wire Wire Line + 6000 2750 6050 2750 +$Comp +L Device:Lamp LA4 +U 1 1 5F459AA3 +P 6250 3000 +F 0 "LA4" V 5985 3000 50 0000 C CNN +F 1 "Lamp" V 6076 3000 50 0000 C CNN +F 2 "" V 6250 3100 50 0001 C CNN +F 3 "~" V 6250 3100 50 0001 C CNN + 1 6250 3000 + 0 1 1 0 +$EndComp +Wire Wire Line + 6450 3000 6500 3000 +Connection ~ 6500 3000 +Wire Wire Line + 6050 3000 6000 3000 +$Comp +L Device:Lamp LA3 +U 1 1 5F48104F +P 5750 3000 +F 0 "LA3" V 5485 3000 50 0000 C CNN +F 1 "Lamp" V 5576 3000 50 0000 C CNN +F 2 "" V 5750 3100 50 0001 C CNN +F 3 "~" V 5750 3100 50 0001 C CNN + 1 5750 3000 + 0 1 1 0 +$EndComp +$Comp +L Device:Lamp LA2 +U 1 1 5F4819AC +P 5250 3000 +F 0 "LA2" V 4985 3000 50 0000 C CNN +F 1 "Lamp" V 5076 3000 50 0000 C CNN +F 2 "" V 5250 3100 50 0001 C CNN +F 3 "~" V 5250 3100 50 0001 C CNN + 1 5250 3000 + 0 1 1 0 +$EndComp +$Comp +L Device:Lamp LA1 +U 1 1 5F482195 +P 4750 3000 +F 0 "LA1" V 4485 3000 50 0000 C CNN +F 1 "Lamp" V 4576 3000 50 0000 C CNN +F 2 "" V 4750 3100 50 0001 C CNN +F 3 "~" V 4750 3100 50 0001 C CNN + 1 4750 3000 + 0 1 1 0 +$EndComp +Wire Wire Line + 4950 3000 5000 3000 +Wire Wire Line + 5000 3000 5050 3000 +Connection ~ 5000 3000 +Wire Wire Line + 5450 3000 5500 3000 +Wire Wire Line + 5500 3000 5550 3000 +Connection ~ 5500 3000 +Wire Wire Line + 5950 3000 6000 3000 +Connection ~ 6000 3000 +Wire Wire Line + 4550 4400 4550 4000 +Wire Wire Line + 4550 4000 7000 4000 +Wire Wire Line + 7000 4000 7000 3800 +Connection ~ 4550 4400 +Connection ~ 7000 3800 +Wire Wire Line + 4550 3550 4550 3200 +Wire Wire Line + 4550 3200 7000 3200 +Wire Wire Line + 7000 3200 7000 3000 +Connection ~ 4550 3550 +Connection ~ 7000 3000 +Wire Wire Line + 4250 3450 4250 3350 +Wire Wire Line + 4250 3350 4250 3000 +Wire Wire Line + 4250 3000 4550 3000 +Connection ~ 4250 3350 +Wire Wire Line + 4550 3000 4550 2750 +Connection ~ 4550 3000 +Wire Wire Line + 3750 3750 3750 4900 +Wire Wire Line + 3750 4900 7000 4900 +Wire Wire Line + 7000 4900 7000 4650 +Connection ~ 7000 4650 +$EndSCHEMATC diff --git a/Miscellaneous/adjustable resistor/back cover.png b/Miscellaneous/adjustable resistor/back cover.png new file mode 100644 index 0000000..05416df Binary files /dev/null and b/Miscellaneous/adjustable resistor/back cover.png differ diff --git a/Miscellaneous/adjustable resistor/back cover.stl b/Miscellaneous/adjustable resistor/back cover.stl new file mode 100644 index 0000000..ebc1663 Binary files /dev/null and b/Miscellaneous/adjustable resistor/back cover.stl differ diff --git a/Miscellaneous/adjustable resistor/body and back cover.FCStd b/Miscellaneous/adjustable resistor/body and back cover.FCStd new file mode 100644 index 0000000..3d5d1ba Binary files /dev/null and b/Miscellaneous/adjustable resistor/body and back cover.FCStd differ diff --git a/Miscellaneous/adjustable resistor/body.png b/Miscellaneous/adjustable resistor/body.png new file mode 100644 index 0000000..a352887 Binary files /dev/null and b/Miscellaneous/adjustable resistor/body.png differ diff --git a/Miscellaneous/adjustable resistor/body.stl b/Miscellaneous/adjustable resistor/body.stl new file mode 100644 index 0000000..6825b56 Binary files /dev/null and b/Miscellaneous/adjustable resistor/body.stl differ diff --git a/Miscellaneous/adjustable resistor/button.FCStd b/Miscellaneous/adjustable resistor/button.FCStd new file mode 100644 index 0000000..f03f49c Binary files /dev/null and b/Miscellaneous/adjustable resistor/button.FCStd differ diff --git a/Miscellaneous/adjustable resistor/button.png b/Miscellaneous/adjustable resistor/button.png new file mode 100644 index 0000000..b8eaa66 Binary files /dev/null and b/Miscellaneous/adjustable resistor/button.png differ diff --git a/Miscellaneous/adjustable resistor/button.stl b/Miscellaneous/adjustable resistor/button.stl new file mode 100644 index 0000000..ce6645e Binary files /dev/null and b/Miscellaneous/adjustable resistor/button.stl differ diff --git a/Miscellaneous/adjustable resistor/front panel.FCStd b/Miscellaneous/adjustable resistor/front panel.FCStd new file mode 100644 index 0000000..79a1805 Binary files /dev/null and b/Miscellaneous/adjustable resistor/front panel.FCStd differ diff --git a/Miscellaneous/adjustable resistor/front panel.png b/Miscellaneous/adjustable resistor/front panel.png new file mode 100644 index 0000000..5678fe7 Binary files /dev/null and b/Miscellaneous/adjustable resistor/front panel.png differ diff --git a/Miscellaneous/adjustable resistor/front panel.stl b/Miscellaneous/adjustable resistor/front panel.stl new file mode 100644 index 0000000..3ca5150 Binary files /dev/null and b/Miscellaneous/adjustable resistor/front panel.stl differ diff --git a/Miscellaneous/adjustable resistor/index.html b/Miscellaneous/adjustable resistor/index.html new file mode 100644 index 0000000..2ab6a34 --- /dev/null +++ b/Miscellaneous/adjustable resistor/index.html @@ -0,0 +1,371 @@ + + + +Adjustable resistor / indicator + + + + + + + + + + + + + +
+

Adjustable resistor / indicator

+ +
+

1 General

+
+ +
+
+ +
+

2 Project description

+
+

+I needed a way to experimentally find resistance that works best in +certain circuits. Usual potentiometers could not handle required power +dissipation and were not precise enough. +

+ +

+Solution is to build adjustable resistor: +

+ + +
+

make.png +

+
+ +

+Logically there is series of resistors that increase in resistance in +the power of 2: 0.5, 1, 2, 4, 8, 16, 32, 64, 128, 256, 512. Each +resistor can be enabled or disabled by a switch. This makes entire +range of 0 – 1023.5 ohms available with the 0.5 ohms precision. +

+ +

+Schematic: +schematic.png +

+ +

+Here is front panel for switches: +front%20panel.png +

+ +

+Download: +

+ + +

+Sometimes I would like to use lightbulbs with various parameters as +test load/indicator. Current device has 4 of them included. +

+ +

+Here is front panel for light bulbs: +indicator%20panel.png +

+ +

+Download: +

+ + + +

+After assembly using prototype PCB: +make,%202.png +

+ + +

+Following body is used as a case and PCB support: +body.png +

+ +

+Download: +

+ + +

+Result: +make,%203.png +

+ +

+Cover on the back: +back%20cover.png +

+ +

+Download: STL file +

+ +

+Button covers: +button.png +

+ +

+Download: +

+ +
+
+
+
+ + + diff --git a/Miscellaneous/adjustable resistor/index.org b/Miscellaneous/adjustable resistor/index.org new file mode 100644 index 0000000..f86a7d6 --- /dev/null +++ b/Miscellaneous/adjustable resistor/index.org @@ -0,0 +1,90 @@ +#+TITLE: Adjustable resistor / indicator +#+AUTHOR: Svjatoslav Agejenko +#+LANGUAGE: en + +* (document settings) :noexport: +** use dark style for TWBS-HTML exporter +#+HTML_HEAD: +#+HTML_HEAD: +#+HTML_HEAD: +#+HTML_HEAD: + +* General ++ DISCLAIMER: I DO ELECTRONICS AND 3D DESIGN SOLELY AS A HOBBY. THERE + COULD BE ERRORS THAT CAN RESULT IN ALL KINDS OF DAMAGE. USE THESE + DESIGNS AT YOUR OWN RISK. + ++ This design is released under Creative Commons Zero (CC0) license. + ++ Author: + - Svjatoslav Agejenko + - Homepage: https://svjatoslav.eu + - Email: [[mailto://svjatoslav@svjatoslav.eu][svjatoslav@svjatoslav.eu]] + ++ See also: + - [[../../index.html][Other physical projects in this repository]] + - [[https://www.svjatoslav.eu/projects/][Other projects hosted at svjatoslav.eu]] + +* Project description +I needed a way to experimentally find resistance that works best in +certain circuits. Usual potentiometers could not handle required power +dissipation and were not precise enough. + +Solution is to build adjustable resistor: + +[[file:make.png]] + +Logically there is series of resistors that increase in resistance in +the power of 2: 0.5, 1, 2, 4, 8, 16, 32, 64, 128, 256, 512. Each +resistor can be enabled or disabled by a switch. This makes entire +range of 0 -- 1023.5 ohms available with the 0.5 ohms precision. + +Schematic: +[[file:schematic.png]] + +Here is front panel for switches: +[[file:front%20panel.png]] + +Download: ++ [[file:front%20panel.FCStd][FreeCAD project]] ++ [[file:front%20panel.stl][STL file]] + +Sometimes I would like to use lightbulbs with various parameters as +test load/indicator. Current device has 4 of them included. + +Here is front panel for light bulbs: +[[file:indicator%20panel.png]] + +Download: ++ [[file:indicator%20panel.FCStd][FreeCAD project]] ++ [[file:indicator%20panel.stl][STL file]] + + +After assembly using prototype PCB: +[[file:make,%202.png]] + + +Following body is used as a case and PCB support: +[[file:body.png]] + +Download: ++ [[file:body%20and%20back%20cover.FCStd][FreeCAD project (body + back cover)]] ++ [[file:body.stl][STL file for body]] + +Result: +[[file:make,%203.png]] + +Cover on the back: +[[file:back%20cover.png]] + +Download: [[file:back%20cover.stl][STL file]] + +Button covers: +[[file:button.png]] + +Download: ++ [[file:button.FCStd][FreeCAD project]] ++ [[file:button.stl][STL file]] diff --git a/Miscellaneous/adjustable resistor/indicator panel.FCStd b/Miscellaneous/adjustable resistor/indicator panel.FCStd new file mode 100644 index 0000000..5313829 Binary files /dev/null and b/Miscellaneous/adjustable resistor/indicator panel.FCStd differ diff --git a/Miscellaneous/adjustable resistor/indicator panel.png b/Miscellaneous/adjustable resistor/indicator panel.png new file mode 100644 index 0000000..083b04b Binary files /dev/null and b/Miscellaneous/adjustable resistor/indicator panel.png differ diff --git a/Miscellaneous/adjustable resistor/indicator panel.stl b/Miscellaneous/adjustable resistor/indicator panel.stl new file mode 100644 index 0000000..2cc7da2 Binary files /dev/null and b/Miscellaneous/adjustable resistor/indicator panel.stl differ diff --git a/Miscellaneous/adjustable resistor/make, 2.png b/Miscellaneous/adjustable resistor/make, 2.png new file mode 100644 index 0000000..5760b9d Binary files /dev/null and b/Miscellaneous/adjustable resistor/make, 2.png differ diff --git a/Miscellaneous/adjustable resistor/make, 3.png b/Miscellaneous/adjustable resistor/make, 3.png new file mode 100644 index 0000000..f88ce8a Binary files /dev/null and b/Miscellaneous/adjustable resistor/make, 3.png differ diff --git a/Miscellaneous/adjustable resistor/make.png b/Miscellaneous/adjustable resistor/make.png new file mode 100644 index 0000000..1670f21 Binary files /dev/null and b/Miscellaneous/adjustable resistor/make.png differ diff --git a/Miscellaneous/adjustable resistor/schematic.png b/Miscellaneous/adjustable resistor/schematic.png new file mode 100644 index 0000000..48b7226 Binary files /dev/null and b/Miscellaneous/adjustable resistor/schematic.png differ diff --git a/Miscellaneous/alternative USB layout/index.html b/Miscellaneous/alternative USB layout/index.html new file mode 100644 index 0000000..9bbc08e --- /dev/null +++ b/Miscellaneous/alternative USB layout/index.html @@ -0,0 +1,349 @@ + + + +Alternative (and incompatible) layout for USB connectors + + + + + + + + + + + + + +
+

Alternative (and incompatible) layout for USB connectors

+ +
+

1 General

+
+ +
+
+ +
+

2 Project description

+
+

+Warning! Here I describe a hack that I personally found useful for +my own needs. But it is dangerous. Not to be replicated unless you +know that you are doing. +

+ + + +
+

make.png +

+
+ +

+I needed a way to power various devices I build. +

+ +

+Requirements: +

+ +
    +
  • Reliable. +
    • +
  • Cheap. +
    • +
  • Easy to use. +
    • +
  • Popular and highly available. +
    • +
  • Ability to draw significant current directly from 12V cheap, popular +and powerful lead-acid battery (optionally off-grid). Useful for +powerful electric motors, heaters, soldering irons, radio +transmitters, etc. +
    • +
  • Ability to draw limited but stabilized 5V power. Good for digital +circuits. +
    • +
  • Ability to have limited and simple 1-wire digital communication. +
    • +
+ +

+USB Type A connectors are best match that I found. +

+ +

+The main problem is, I like USB connectors but I want to use different +and incompatible electrical layout with them. +

+ +

+Connecting proper USB power supplies, devices and even cables to the +ones that use alternative electrical layout would do damage!!! +

+ +

+To avoid accidental mismatches, I mark all connectors/cables and devices that +use alternative wiring with printed, laminated warning stickers. +

+ +

+Alternative wiring schematic: +schematic.png +

+ +
    +
  • Outer shell is ground. +
    • +
  • 2 central pins are re-purposed to deliver +12V and high power. +
    • +
  • 1 pin is for limited power +5V. +
    • +
  • 1 pin for 1-Wire data. +
    • +
+ + +

+Example warning marking on device to indicate that alternative USB +layout is used here: +

+ + +
+

make,%202.png +

+
+
+
+
+
+ + + diff --git a/Miscellaneous/alternative USB layout/index.org b/Miscellaneous/alternative USB layout/index.org new file mode 100644 index 0000000..307892e --- /dev/null +++ b/Miscellaneous/alternative USB layout/index.org @@ -0,0 +1,81 @@ +#+TITLE: Alternative (and incompatible) layout for USB connectors +#+author: Svjatoslav Agejenko +#+LANGUAGE: en + +* (document settings) :noexport: +** use dark style for TWBS-HTML exporter +#+HTML_HEAD: +#+HTML_HEAD: +#+HTML_HEAD: +#+HTML_HEAD: + +* General ++ DISCLAIMER: I DO ELECTRONICS AND 3D DESIGN SOLELY AS A HOBBY. THERE + COULD BE ERRORS THAT CAN RESULT IN ALL KINDS OF DAMAGE. USE THESE + DESIGNS AT YOUR OWN RISK. + ++ This design is released under Creative Commons Zero (CC0) license. + ++ Authors: + - Svjatoslav Agejenko + - Homepage: https://svjatoslav.eu + - Email: [[mailto://svjatoslav@svjatoslav.eu][svjatoslav@svjatoslav.eu]] + + - Valeria Agejenko + ++ See also: + - [[../../index.html][Other physical projects in this repository]] + - [[https://www.svjatoslav.eu/projects/][Other projects hosted at svjatoslav.eu]] + +* Project description + +*Warning!* Here I describe a hack that I personally found useful for +my own needs. But it is dangerous. Not to be replicated unless you +know that you are doing. + + +[[file:make.png]] + +I needed a way to power various devices I build. + +Requirements: + +- Reliable. +- Cheap. +- Easy to use. +- Popular and highly available. +- Ability to draw significant current directly from 12V cheap, popular + and powerful lead-acid battery (optionally off-grid). Useful for + powerful electric motors, heaters, soldering irons, radio + transmitters, etc. +- Ability to draw limited but stabilized 5V power. Good for digital + circuits. +- Ability to have limited and simple 1-wire digital communication. + +USB Type A connectors are best match that I found. + +The main problem is, I like USB connectors but I want to use different +and incompatible electrical layout with them. + +*Connecting proper USB power supplies, devices and even cables to the +ones that use alternative electrical layout would do damage!!!* + +To avoid accidental mismatches, I mark all connectors/cables and devices that +use alternative wiring with [[file:stickers.png][printed, laminated warning stickers]]. + +Alternative wiring schematic: +[[file:schematic.png]] + +- Outer shell is ground. +- 2 central pins are re-purposed to deliver +12V and high power. +- 1 pin is for limited power +5V. +- 1 pin for 1-Wire data. + + +Example warning marking on device to indicate that alternative USB +layout is used here: + +[[file:../lab%20heater%20and%20cooler/make,%202.png]] diff --git a/Miscellaneous/alternative USB layout/make.png b/Miscellaneous/alternative USB layout/make.png new file mode 100644 index 0000000..b4b4468 Binary files /dev/null and b/Miscellaneous/alternative USB layout/make.png differ diff --git a/Miscellaneous/alternative USB layout/schematic.png b/Miscellaneous/alternative USB layout/schematic.png new file mode 100644 index 0000000..842a1b2 Binary files /dev/null and b/Miscellaneous/alternative USB layout/schematic.png differ diff --git a/Miscellaneous/alternative USB layout/stickers.png b/Miscellaneous/alternative USB layout/stickers.png new file mode 100644 index 0000000..f4f12f2 Binary files /dev/null and b/Miscellaneous/alternative USB layout/stickers.png differ diff --git a/Miscellaneous/battery tester/assembly.png b/Miscellaneous/battery tester/assembly.png new file mode 100644 index 0000000..34954b0 Binary files /dev/null and b/Miscellaneous/battery tester/assembly.png differ diff --git a/Miscellaneous/battery tester/body.png b/Miscellaneous/battery tester/body.png new file mode 100644 index 0000000..3655d3e Binary files /dev/null and b/Miscellaneous/battery tester/body.png differ diff --git a/Miscellaneous/battery tester/body.stl b/Miscellaneous/battery tester/body.stl new file mode 100644 index 0000000..4df1eeb Binary files /dev/null and b/Miscellaneous/battery tester/body.stl differ diff --git a/Miscellaneous/battery tester/bodyAndCover.FCStd b/Miscellaneous/battery tester/bodyAndCover.FCStd new file mode 100644 index 0000000..5de56ec Binary files /dev/null and b/Miscellaneous/battery tester/bodyAndCover.FCStd differ diff --git a/Miscellaneous/battery tester/cover.png b/Miscellaneous/battery tester/cover.png new file mode 100644 index 0000000..0a5495f Binary files /dev/null and b/Miscellaneous/battery tester/cover.png differ diff --git a/Miscellaneous/battery tester/cover.stl b/Miscellaneous/battery tester/cover.stl new file mode 100644 index 0000000..05f6023 Binary files /dev/null and b/Miscellaneous/battery tester/cover.stl differ diff --git a/Miscellaneous/battery tester/electrical schematic.png b/Miscellaneous/battery tester/electrical schematic.png new file mode 100644 index 0000000..6750882 Binary files /dev/null and b/Miscellaneous/battery tester/electrical schematic.png differ diff --git a/Miscellaneous/battery tester/index.html b/Miscellaneous/battery tester/index.html new file mode 100644 index 0000000..3f14985 --- /dev/null +++ b/Miscellaneous/battery tester/index.html @@ -0,0 +1,323 @@ + + + +AA and AAA battery tester + + + + + + + + + + + + + +
+

AA and AAA battery tester

+ +
+

1 General

+
+ +
+
+ +
+

2 Project description

+
+ +
+

make.png +

+
+ + +
+

make,%202.png +

+
+ +

+Simple rechargeable Ni-MH battery tester. The problem with those +batteries is: right after you take them out of charger, voltage level +at their terminals is good. But some old batteries will get +empty/discharged way too quickly under normal load. This device is +intended to discover old batteries with reduced capacity. +

+ +

+Freshly charged batteries are tested under high load for short time by +shorting battery + and - terminals using 5 ohm power resistor +(R1). Simultaneously battery voltage is being measured while under +load. +

+ + +
+

electrical%20schematic.png +

+
+ +

+I use vintage analog voltmeter. Instead of power resistor I use +Nichrome resistance wire. Test/measurement button should not be +pressed for long because power resistor gets hot quickly and battery +is being quickly depleted during measurement. +

+ + +
+

assembly.png +

+
+ +
    +
  • Body: body.png +
    • +
  • Cover: cover.png +
    • + +
  • Download: + +
    • + +
  • PS: While this device is interesting to build, still you can just +use ordinary ammeter that can handle battery generated current. +
    • +
+
+
+
+
+ + + diff --git a/Miscellaneous/battery tester/index.org b/Miscellaneous/battery tester/index.org new file mode 100644 index 0000000..6e61e4f --- /dev/null +++ b/Miscellaneous/battery tester/index.org @@ -0,0 +1,65 @@ +#+TITLE: AA and AAA battery tester +#+AUTHOR: Svjatoslav Agejenko +#+LANGUAGE: en + +* (document settings) :noexport: +** use dark style for TWBS-HTML exporter +#+HTML_HEAD: +#+HTML_HEAD: +#+HTML_HEAD: +#+HTML_HEAD: + +* General ++ DISCLAIMER: I DO ELECTRONICS AND 3D DESIGN SOLELY AS A HOBBY. THERE + COULD BE ERRORS THAT CAN RESULT IN ALL KINDS OF DAMAGE. USE THESE + DESIGNS AT YOUR OWN RISK. + ++ This design is released under Creative Commons Zero (CC0) license. + ++ Author: + - Svjatoslav Agejenko + - Homepage: https://svjatoslav.eu + - Email: [[mailto://svjatoslav@svjatoslav.eu][svjatoslav@svjatoslav.eu]] + ++ See also: + - [[../../index.html][Other physical projects in this repository]] + - [[https://www.svjatoslav.eu/projects/][Other projects hosted at svjatoslav.eu]] + +* Project description +[[file:make.png]] + +[[file:make,%202.png]] + +Simple rechargeable Ni-MH battery tester. The problem with those +batteries is: right after you take them out of charger, voltage level +at their terminals is good. But some old batteries will get +empty/discharged way too quickly under normal load. This device is +intended to discover old batteries with reduced capacity. + +Freshly charged batteries are tested under high load for short time by +shorting battery + and - terminals using 5 ohm power resistor +(R1). Simultaneously battery voltage is being measured while under +load. + +[[file:electrical%20schematic.png]] + +I use vintage analog voltmeter. Instead of power resistor I use +Nichrome resistance wire. Test/measurement button should not be +pressed for long because power resistor gets hot quickly and battery +is being quickly depleted during measurement. + +[[file:assembly.png]] + ++ Body: [[file:body.png]] ++ Cover: [[file:cover.png]] + ++ Download: + + [[file:bodyAndCover.FCStd][FreeCAD project]] + + [[file:body.stl][body STL file]] + + [[file:cover.stl][cover STL file]] + ++ PS: While this device is interesting to build, still you can just + use ordinary ammeter that can handle battery generated current. diff --git a/Miscellaneous/battery tester/make, 2.png b/Miscellaneous/battery tester/make, 2.png new file mode 100644 index 0000000..1f8502b Binary files /dev/null and b/Miscellaneous/battery tester/make, 2.png differ diff --git a/Miscellaneous/battery tester/make.png b/Miscellaneous/battery tester/make.png new file mode 100644 index 0000000..ffc5be1 Binary files /dev/null and b/Miscellaneous/battery tester/make.png differ diff --git a/Miscellaneous/battery tester/schematic-cache.lib b/Miscellaneous/battery tester/schematic-cache.lib new file mode 100644 index 0000000..7bae858 --- /dev/null +++ b/Miscellaneous/battery tester/schematic-cache.lib @@ -0,0 +1,102 @@ +EESchema-LIBRARY Version 2.4 +#encoding utf-8 +# +# Device_Battery +# +DEF Device_Battery BT 0 0 N N 1 F N +F0 "BT" 100 100 50 H V L CNN +F1 "Device_Battery" 100 0 50 H V L CNN +F2 "" 0 60 50 V I C CNN +F3 "" 0 60 50 V I C CNN +DRAW +S -80 -55 80 -65 0 1 0 F +S -80 70 80 60 0 1 0 F +S -52 -78 50 -98 0 1 0 F +S -52 47 50 27 0 1 0 F +P 2 0 1 0 0 -60 0 -50 N +P 2 0 1 0 0 -40 0 -30 N +P 2 0 1 0 0 -20 0 -10 N +P 2 0 1 0 0 0 0 10 N +P 2 0 1 0 0 20 0 30 N +P 2 0 1 0 0 70 0 100 N +P 2 0 1 10 10 105 50 105 N +P 2 0 1 10 30 125 30 85 N +X + 1 0 200 100 D 50 50 1 1 P +X - 2 0 -200 100 U 50 50 1 1 P +ENDDRAW +ENDDEF +# +# Device_R +# +DEF Device_R R 0 0 N Y 1 F N +F0 "R" 80 0 50 V V C CNN +F1 "Device_R" 0 0 50 V V C CNN +F2 "" -70 0 50 V I C CNN +F3 "" 0 0 50 H I C CNN +$FPLIST + R_* +$ENDFPLIST +DRAW +S -40 -100 40 100 0 1 10 N +X ~ 1 0 150 50 D 50 50 1 1 P +X ~ 2 0 -150 50 U 50 50 1 1 P +ENDDRAW +ENDDEF +# +# Device_R_POT +# +DEF Device_R_POT RV 0 40 Y N 1 F N +F0 "RV" -175 0 50 V V C CNN +F1 "Device_R_POT" -100 0 50 V V C CNN +F2 "" 0 0 50 H I C CNN +F3 "" 0 0 50 H I C CNN +$FPLIST + Potentiometer* +$ENDFPLIST +DRAW +S 40 100 -40 -100 0 1 10 N +P 2 0 1 0 100 0 60 0 N +P 4 0 1 0 45 0 90 20 90 -20 45 0 F +X 1 1 0 150 50 D 50 50 1 1 P +X 2 2 150 0 50 L 50 50 1 1 P +X 3 3 0 -150 50 U 50 50 1 1 P +ENDDRAW +ENDDEF +# +# Device_Voltmeter_DC +# +DEF Device_Voltmeter_DC MES 0 1 N N 1 F N +F0 "MES" -130 40 50 H V R CNN +F1 "Device_Voltmeter_DC" -130 -30 50 H V R CNN +F2 "" 0 100 50 V I C CNN +F3 "" 0 100 50 V I C CNN +DRAW +C 0 0 100 0 1 10 N +T 0 0 0 100 0 0 0 V Normal 0 C C +P 2 0 0 0 -125 -125 -75 -75 N +P 2 0 0 0 75 75 125 125 N +P 3 0 0 0 75 125 125 125 125 75 N +P 2 0 1 0 10 150 30 150 N +P 2 0 1 0 20 160 20 140 N +X - 1 0 -200 100 U 50 50 1 1 P +X + 2 0 200 100 D 50 50 1 1 P +ENDDRAW +ENDDEF +# +# Switch_SW_SPST +# +DEF Switch_SW_SPST SW 0 0 Y N 1 F N +F0 "SW" 0 125 50 H V C CNN +F1 "Switch_SW_SPST" 0 -100 50 H V C CNN +F2 "" 0 0 50 H I C CNN +F3 "" 0 0 50 H I C CNN +DRAW +C -80 0 20 0 0 0 N +C 80 0 20 0 0 0 N +P 2 0 0 0 -60 10 60 70 N +X A 1 -200 0 100 R 50 50 1 1 P +X B 2 200 0 100 L 50 50 1 1 P +ENDDRAW +ENDDEF +# +#End Library diff --git a/Miscellaneous/battery tester/schematic.sch b/Miscellaneous/battery tester/schematic.sch new file mode 100644 index 0000000..a0c388a --- /dev/null +++ b/Miscellaneous/battery tester/schematic.sch @@ -0,0 +1,108 @@ +EESchema Schematic File Version 4 +EELAYER 30 0 +EELAYER END +$Descr A4 11693 8268 +encoding utf-8 +Sheet 1 1 +Title "" +Date "" +Rev "" +Comp "" +Comment1 "" +Comment2 "" +Comment3 "" +Comment4 "" +$EndDescr +$Comp +L Device:Battery BT1 +U 1 1 5EC97EC8 +P 2600 3750 +F 0 "BT1" H 2708 3796 50 0000 L CNN +F 1 "Battery" H 2708 3705 50 0000 L CNN +F 2 "" V 2600 3810 50 0001 C CNN +F 3 "~" V 2600 3810 50 0001 C CNN + 1 2600 3750 + 1 0 0 -1 +$EndComp +$Comp +L Switch:SW_SPST SW1 +U 1 1 5EC98542 +P 3100 3250 +F 0 "SW1" H 3100 3485 50 0000 C CNN +F 1 "SW_SPST" H 3100 3394 50 0000 C CNN +F 2 "" H 3100 3250 50 0001 C CNN +F 3 "~" H 3100 3250 50 0001 C CNN + 1 3100 3250 + 1 0 0 -1 +$EndComp +$Comp +L Device:R R1 +U 1 1 5EC98B01 +P 3550 3700 +F 0 "R1" H 3620 3746 50 0000 L CNN +F 1 "5" H 3620 3655 50 0000 L CNN +F 2 "" V 3480 3700 50 0001 C CNN +F 3 "~" H 3550 3700 50 0001 C CNN + 1 3550 3700 + 1 0 0 -1 +$EndComp +$Comp +L Device:R R2 +U 1 1 5EC98F38 +P 3850 3250 +F 0 "R2" V 3643 3250 50 0000 C CNN +F 1 "3k" V 3734 3250 50 0000 C CNN +F 2 "" V 3780 3250 50 0001 C CNN +F 3 "~" H 3850 3250 50 0001 C CNN + 1 3850 3250 + 0 1 1 0 +$EndComp +$Comp +L Device:R_POT RV1 +U 1 1 5EC99ABB +P 4350 3250 +F 0 "RV1" V 4143 3250 50 0000 C CNN +F 1 "3k3" V 4234 3250 50 0000 C CNN +F 2 "" H 4350 3250 50 0001 C CNN +F 3 "~" H 4350 3250 50 0001 C CNN + 1 4350 3250 + 0 1 1 0 +$EndComp +$Comp +L Device:Voltmeter_DC MES1 +U 1 1 5EC9A7E7 +P 4350 3750 +F 0 "MES1" H 4503 3796 50 0000 L CNN +F 1 "Voltmeter_DC" H 4503 3705 50 0000 L CNN +F 2 "" V 4350 3850 50 0001 C CNN +F 3 "~" V 4350 3850 50 0001 C CNN + 1 4350 3750 + 1 0 0 -1 +$EndComp +Wire Wire Line + 2600 3550 2600 3250 +Wire Wire Line + 2600 3250 2900 3250 +Wire Wire Line + 3300 3250 3550 3250 +Wire Wire Line + 4000 3250 4200 3250 +Wire Wire Line + 4350 3400 4350 3550 +Wire Wire Line + 4350 3950 4350 4100 +Wire Wire Line + 4350 4100 3550 4100 +Wire Wire Line + 3550 4100 3550 3850 +Wire Wire Line + 2600 3950 2600 4100 +Wire Wire Line + 2600 4100 3550 4100 +Connection ~ 3550 4100 +Wire Wire Line + 3550 3550 3550 3250 +Connection ~ 3550 3250 +Wire Wire Line + 3550 3250 3700 3250 +$EndSCHEMATC diff --git a/Miscellaneous/cable organizer/body.FCStd b/Miscellaneous/cable organizer/body.FCStd new file mode 100644 index 0000000..d6a9aa4 Binary files /dev/null and b/Miscellaneous/cable organizer/body.FCStd differ diff --git a/Miscellaneous/cable organizer/body.png b/Miscellaneous/cable organizer/body.png new file mode 100644 index 0000000..a27fc7c Binary files /dev/null and b/Miscellaneous/cable organizer/body.png differ diff --git a/Miscellaneous/cable organizer/body.stl b/Miscellaneous/cable organizer/body.stl new file mode 100644 index 0000000..d07c32e Binary files /dev/null and b/Miscellaneous/cable organizer/body.stl differ diff --git a/Miscellaneous/cable organizer/index.html b/Miscellaneous/cable organizer/index.html new file mode 100644 index 0000000..5ea843f --- /dev/null +++ b/Miscellaneous/cable organizer/index.html @@ -0,0 +1,289 @@ + + + +Cable organizer + + + + + + + + + + + + + +
+

Cable organizer

+ +
+

1 General

+
+ +
+
+ +
+

2 Project description

+
+ +
+

make.png +

+
+ +

+I have lots of wires in my lab, and I need quick access to them. This +organizer allows to conveniently hang them on the wall. I use double +sided tape to make it stick. +

+ + +
+

body.png +

+
+
+
+ +
+

3 Files

+
+

+You can download FreeCAD project file to tweak design or generated STL +file ready for 3D printing: +

+ + +
+
+
+
+ + + diff --git a/Miscellaneous/cable organizer/index.org b/Miscellaneous/cable organizer/index.org new file mode 100644 index 0000000..e318fb1 --- /dev/null +++ b/Miscellaneous/cable organizer/index.org @@ -0,0 +1,44 @@ +#+TITLE: Cable organizer +#+AUTHOR: Svjatoslav Agejenko +#+LANGUAGE: en + +* (document settings) :noexport: +** use dark style for TWBS-HTML exporter +#+HTML_HEAD: +#+HTML_HEAD: +#+HTML_HEAD: +#+HTML_HEAD: + +* General ++ DISCLAIMER: I DO ELECTRONICS AND 3D DESIGN SOLELY AS A HOBBY. THERE + COULD BE ERRORS THAT CAN RESULT IN ALL KINDS OF DAMAGE. USE THESE + DESIGNS AT YOUR OWN RISK. + ++ This design is released under Creative Commons Zero (CC0) license. + ++ Author: + - Svjatoslav Agejenko + - Homepage: https://svjatoslav.eu + - Email: [[mailto://svjatoslav@svjatoslav.eu][svjatoslav@svjatoslav.eu]] + ++ See also: + - [[../../index.html][Other physical projects in this repository]] + - [[https://www.svjatoslav.eu/projects/][Other projects hosted at svjatoslav.eu]] + +* Project description +[[file:make.png]] + +I have lots of wires in my lab, and I need quick access to them. This +organizer allows to conveniently hang them on the wall. I use double +sided tape to make it stick. + +[[file:body.png]] + +* Files +You can [[file:body.FCStd][download FreeCAD project]] file to tweak design or generated STL +file ready for 3D printing: + ++ [[file:body.stl]] diff --git a/Miscellaneous/cable organizer/make.png b/Miscellaneous/cable organizer/make.png new file mode 100644 index 0000000..d187645 Binary files /dev/null and b/Miscellaneous/cable organizer/make.png differ diff --git a/Miscellaneous/headphone hub/body.png b/Miscellaneous/headphone hub/body.png new file mode 100644 index 0000000..378799a Binary files /dev/null and b/Miscellaneous/headphone hub/body.png differ diff --git a/Miscellaneous/headphone hub/body.stl b/Miscellaneous/headphone hub/body.stl new file mode 100644 index 0000000..dc8e9b9 Binary files /dev/null and b/Miscellaneous/headphone hub/body.stl differ diff --git a/Miscellaneous/headphone hub/cover, 2.png b/Miscellaneous/headphone hub/cover, 2.png new file mode 100644 index 0000000..7df7746 Binary files /dev/null and b/Miscellaneous/headphone hub/cover, 2.png differ diff --git a/Miscellaneous/headphone hub/cover.png b/Miscellaneous/headphone hub/cover.png new file mode 100644 index 0000000..067e8d4 Binary files /dev/null and b/Miscellaneous/headphone hub/cover.png differ diff --git a/Miscellaneous/headphone hub/cover.stl b/Miscellaneous/headphone hub/cover.stl new file mode 100644 index 0000000..5b0d6fb Binary files /dev/null and b/Miscellaneous/headphone hub/cover.stl differ diff --git a/Miscellaneous/headphone hub/hub.FCStd b/Miscellaneous/headphone hub/hub.FCStd new file mode 100644 index 0000000..f85ea1b Binary files /dev/null and b/Miscellaneous/headphone hub/hub.FCStd differ diff --git a/Miscellaneous/headphone hub/index.html b/Miscellaneous/headphone hub/index.html new file mode 100644 index 0000000..ccc85bf --- /dev/null +++ b/Miscellaneous/headphone hub/index.html @@ -0,0 +1,325 @@ + + + +Headphone hub + + + + + + + + + + + + + +
+

Headphone hub

+ +
+

1 General

+
+ +
+
+ +
+

2 Project description

+
+

+Simple hub that allows connecting up to 4 devices via headphone +jack. For example single laptop or mp3 player can power up to 3 +headphones. +

+ + +
+

make.png +

+
+ +

+Schematic diagram: +schematic.png +

+ +

+Warning: All devices are connected in parallel. Make sure that audio +producing device can handle combined load. See: +https://en.wikipedia.org/wiki/Series_and_parallel_circuits#Resistance_units_2 +

+ + +
+

make,%202.png +

+
+ +

+Device consists of body and cover that are held together by single +screw at the center: +

+ + +
+

cover,%202.png +

+
+
+
+ +
+

3 Download

+
+ + + +

+Body STL file +body.png +

+ + + +
+

+Cover STL file +

+ + +
+

cover.png +

+
+
+
+
+
+ + + diff --git a/Miscellaneous/headphone hub/index.org b/Miscellaneous/headphone hub/index.org new file mode 100644 index 0000000..dd6d162 --- /dev/null +++ b/Miscellaneous/headphone hub/index.org @@ -0,0 +1,65 @@ +#+TITLE: Headphone hub +#+AUTHOR: Svjatoslav Agejenko +#+LANGUAGE: en + +* (document settings) :noexport: +** use dark style for TWBS-HTML exporter +#+HTML_HEAD: +#+HTML_HEAD: +#+HTML_HEAD: +#+HTML_HEAD: + +* General ++ DISCLAIMER: I DO ELECTRONICS AND 3D DESIGN SOLELY AS A HOBBY. THERE + COULD BE ERRORS THAT CAN RESULT IN ALL KINDS OF DAMAGE. USE THESE + DESIGNS AT YOUR OWN RISK. + ++ This design is released under Creative Commons Zero (CC0) license. + ++ Author: + - Svjatoslav Agejenko + - Homepage: https://svjatoslav.eu + - Email: [[mailto://svjatoslav@svjatoslav.eu][svjatoslav@svjatoslav.eu]] + ++ See also: + - [[../../index.html][Other physical projects in this repository]] + - [[https://www.svjatoslav.eu/projects/][Other projects hosted at svjatoslav.eu]] + +* Project description +Simple hub that allows connecting up to 4 devices via headphone +jack. For example single laptop or mp3 player can power up to 3 +headphones. + +[[file:make.png]] + +Schematic diagram: +[[file:schematic.png]] + +Warning: All devices are connected in parallel. Make sure that audio +producing device can handle combined load. See: +https://en.wikipedia.org/wiki/Series_and_parallel_circuits#Resistance_units_2 + +[[file:make,%202.png]] + +Device consists of body and cover that are held together by single +screw at the center: + +[[file:cover,%202.png]] + +* Download + +- [[file:hub.FCStd][FreeCAD project]] + + +Body [[file:body.stl][STL file]] +[[file:body.png]] + + + +----- +Cover [[file:cover.stl][STL file]] + +[[file:cover.png]] diff --git a/Miscellaneous/headphone hub/make, 2.png b/Miscellaneous/headphone hub/make, 2.png new file mode 100644 index 0000000..0757cc6 Binary files /dev/null and b/Miscellaneous/headphone hub/make, 2.png differ diff --git a/Miscellaneous/headphone hub/make.png b/Miscellaneous/headphone hub/make.png new file mode 100644 index 0000000..ad159e1 Binary files /dev/null and b/Miscellaneous/headphone hub/make.png differ diff --git a/Miscellaneous/headphone hub/schematic-cache.lib b/Miscellaneous/headphone hub/schematic-cache.lib new file mode 100644 index 0000000..27883d2 --- /dev/null +++ b/Miscellaneous/headphone hub/schematic-cache.lib @@ -0,0 +1,26 @@ +EESchema-LIBRARY Version 2.4 +#encoding utf-8 +# +# Connector_AudioJack3 +# +DEF Connector_AudioJack3 J 0 20 Y Y 1 F N +F0 "J" 0 350 50 H V C CNN +F1 "Connector_AudioJack3" 0 250 50 H V C CNN +F2 "" 0 0 50 H I C CNN +F3 "" 0 0 50 H I C CNN +$FPLIST + Jack* +$ENDFPLIST +DRAW +S -200 -200 -250 -100 0 1 10 F +S 100 150 -200 -200 0 1 10 f +P 4 0 1 10 0 -100 25 -125 50 -100 100 -100 N +P 5 0 1 10 -75 -100 -50 -125 -25 -100 -25 0 100 0 N +P 5 0 1 10 100 100 -100 100 -100 -100 -125 -125 -150 -100 N +X ~ R 200 0 100 L 50 50 1 1 P +X ~ S 200 100 100 L 50 50 1 1 P +X ~ T 200 -100 100 L 50 50 1 1 P +ENDDRAW +ENDDEF +# +#End Library diff --git a/Miscellaneous/headphone hub/schematic.png b/Miscellaneous/headphone hub/schematic.png new file mode 100644 index 0000000..84a535e Binary files /dev/null and b/Miscellaneous/headphone hub/schematic.png differ diff --git a/Miscellaneous/headphone hub/schematic.sch b/Miscellaneous/headphone hub/schematic.sch new file mode 100644 index 0000000..630bccd --- /dev/null +++ b/Miscellaneous/headphone hub/schematic.sch @@ -0,0 +1,108 @@ +EESchema Schematic File Version 4 +EELAYER 30 0 +EELAYER END +$Descr A4 11693 8268 +encoding utf-8 +Sheet 1 1 +Title "" +Date "" +Rev "" +Comp "" +Comment1 "" +Comment2 "" +Comment3 "" +Comment4 "" +$EndDescr +$Comp +L Connector:AudioJack3 J1 +U 1 1 5FE65EA5 +P 3100 3300 +F 0 "J1" V 3036 3488 50 0000 L CNN +F 1 "AudioJack3" V 3127 3488 50 0000 L CNN +F 2 "" H 3100 3300 50 0001 C CNN +F 3 "~" H 3100 3300 50 0001 C CNN + 1 3100 3300 + 0 1 1 0 +$EndComp +$Comp +L Connector:AudioJack3 J2 +U 1 1 5FE6658D +P 4000 3300 +F 0 "J2" V 3936 3488 50 0000 L CNN +F 1 "AudioJack3" V 4027 3488 50 0000 L CNN +F 2 "" H 4000 3300 50 0001 C CNN +F 3 "~" H 4000 3300 50 0001 C CNN + 1 4000 3300 + 0 1 1 0 +$EndComp +$Comp +L Connector:AudioJack3 J3 +U 1 1 5FE66E55 +P 4850 3300 +F 0 "J3" V 4786 3488 50 0000 L CNN +F 1 "AudioJack3" V 4877 3488 50 0000 L CNN +F 2 "" H 4850 3300 50 0001 C CNN +F 3 "~" H 4850 3300 50 0001 C CNN + 1 4850 3300 + 0 1 1 0 +$EndComp +Wire Wire Line + 3000 3500 3000 3800 +Wire Wire Line + 3000 3800 3900 3800 +Wire Wire Line + 3900 3800 3900 3500 +Wire Wire Line + 3900 3800 4750 3800 +Wire Wire Line + 4750 3800 4750 3500 +Connection ~ 3900 3800 +Wire Wire Line + 3100 3500 3100 3750 +Wire Wire Line + 3100 3750 4000 3750 +Wire Wire Line + 4000 3750 4000 3500 +Wire Wire Line + 4000 3750 4850 3750 +Wire Wire Line + 4850 3750 4850 3500 +Connection ~ 4000 3750 +Wire Wire Line + 3200 3500 3200 3700 +Wire Wire Line + 3200 3700 4100 3700 +Wire Wire Line + 4100 3700 4100 3500 +Wire Wire Line + 4100 3700 4950 3700 +Wire Wire Line + 4950 3700 4950 3500 +Connection ~ 4100 3700 +$Comp +L Connector:AudioJack3 J4 +U 1 1 5FE687FA +P 5700 3300 +F 0 "J4" V 5636 3488 50 0000 L CNN +F 1 "AudioJack3" V 5727 3488 50 0000 L CNN +F 2 "" H 5700 3300 50 0001 C CNN +F 3 "~" H 5700 3300 50 0001 C CNN + 1 5700 3300 + 0 1 1 0 +$EndComp +Wire Wire Line + 4750 3800 5600 3800 +Wire Wire Line + 5600 3800 5600 3500 +Wire Wire Line + 4850 3750 5700 3750 +Wire Wire Line + 5700 3750 5700 3500 +Wire Wire Line + 4950 3700 5800 3700 +Wire Wire Line + 5800 3700 5800 3500 +Connection ~ 4750 3800 +Connection ~ 4850 3750 +Connection ~ 4950 3700 +$EndSCHEMATC diff --git a/Miscellaneous/hook/hook.FCStd b/Miscellaneous/hook/hook.FCStd new file mode 100644 index 0000000..c85b53f Binary files /dev/null and b/Miscellaneous/hook/hook.FCStd differ diff --git a/Miscellaneous/hook/hook.png b/Miscellaneous/hook/hook.png new file mode 100644 index 0000000..26ee854 Binary files /dev/null and b/Miscellaneous/hook/hook.png differ diff --git a/Miscellaneous/hook/hook.stl b/Miscellaneous/hook/hook.stl new file mode 100644 index 0000000..7a365b0 Binary files /dev/null and b/Miscellaneous/hook/hook.stl differ diff --git a/Miscellaneous/hook/index.html b/Miscellaneous/hook/index.html new file mode 100644 index 0000000..21d4908 --- /dev/null +++ b/Miscellaneous/hook/index.html @@ -0,0 +1,309 @@ + + + + + + + +General purpose hook + + + + + + + + + + + +
+

General purpose hook

+
+

Table of Contents

+
+ +
+
+ +
+

1 General

+
+ +
+
+ +
+

2 Project description

+
+ +
+

make.png +

+
+ +

+General purpose hook suitable for holding light things. Hook does not +have screw holes. It is intended to be glued to the surface. +

+ + +
+

hook.png +

+
+
+
+ +
+

3 Files

+
+

+You can download FreeCAD project file to tweak design or generated STL +file ready for 3D printing: +

+ + +
+
+
+
+

Author: Svjatoslav Agejenko

+

Created: 2021-07-25 Sun 21:01

+

Validate

+
+ + diff --git a/Miscellaneous/hook/index.org b/Miscellaneous/hook/index.org new file mode 100644 index 0000000..b5f805f --- /dev/null +++ b/Miscellaneous/hook/index.org @@ -0,0 +1,43 @@ +#+TITLE: General purpose hook +#+AUTHOR: Svjatoslav Agejenko +#+LANGUAGE: en + +* (document settings) :noexport: +** use dark style for TWBS-HTML exporter +#+HTML_HEAD: +#+HTML_HEAD: +#+HTML_HEAD: +#+HTML_HEAD: + +* General ++ DISCLAIMER: I DO ELECTRONICS AND 3D DESIGN SOLELY AS A HOBBY. THERE + COULD BE ERRORS THAT CAN RESULT IN ALL KINDS OF DAMAGE. USE THESE + DESIGNS AT YOUR OWN RISK. + ++ This design is released under Creative Commons Zero (CC0) license. + ++ Author: + - Svjatoslav Agejenko + - Homepage: https://svjatoslav.eu + - Email: [[mailto://svjatoslav@svjatoslav.eu][svjatoslav@svjatoslav.eu]] + ++ See also: + - [[../../index.html][Other physical projects in this repository]] + - [[https://www.svjatoslav.eu/projects/][Other projects hosted at svjatoslav.eu]] + +* Project description +[[file:make.png]] + +General purpose hook suitable for holding light things. Hook does not +have screw holes. It is intended to be glued to the surface. + +[[file:hook.png]] + +* Files +You can [[file:hook.FCStd][download FreeCAD project]] file to tweak design or generated STL +file ready for 3D printing: + ++ [[file:hook.stl]] diff --git a/Miscellaneous/hook/make.png b/Miscellaneous/hook/make.png new file mode 100644 index 0000000..bd51904 Binary files /dev/null and b/Miscellaneous/hook/make.png differ diff --git a/Miscellaneous/portable stereo active speaker/20V upstep module/make.png b/Miscellaneous/portable stereo active speaker/20V upstep module/make.png new file mode 100644 index 0000000..b63097d Binary files /dev/null and b/Miscellaneous/portable stereo active speaker/20V upstep module/make.png differ diff --git a/Miscellaneous/portable stereo active speaker/20V upstep module/schematic.png b/Miscellaneous/portable stereo active speaker/20V upstep module/schematic.png new file mode 100644 index 0000000..ce46ada Binary files /dev/null and b/Miscellaneous/portable stereo active speaker/20V upstep module/schematic.png differ diff --git a/Miscellaneous/portable stereo active speaker/battery holder/battery holder.FCStd b/Miscellaneous/portable stereo active speaker/battery holder/battery holder.FCStd new file mode 100644 index 0000000..368e973 Binary files /dev/null and b/Miscellaneous/portable stereo active speaker/battery holder/battery holder.FCStd differ diff --git a/Miscellaneous/portable stereo active speaker/battery holder/battery holder.png b/Miscellaneous/portable stereo active speaker/battery holder/battery holder.png new file mode 100644 index 0000000..b285bf5 Binary files /dev/null and b/Miscellaneous/portable stereo active speaker/battery holder/battery holder.png differ diff --git a/Miscellaneous/portable stereo active speaker/battery holder/battery holder.stl b/Miscellaneous/portable stereo active speaker/battery holder/battery holder.stl new file mode 100644 index 0000000..0bc749c Binary files /dev/null and b/Miscellaneous/portable stereo active 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+

Portable stereo speaker

+ +
+

1 General

+
+ +
+
+ +
+

2 Project description

+
+

+I had pair of good compact stereo speakers lying uselessly around as +well as secondhand TDA2030 Chinese knockoff audio amplifier chips. +Also I wanted to test modular construction approach: motherboard with +shared bus and functionality realized via pluggable modules. So I +built stereo speaker: +

+ + +
+

make.png +

+
+ +

+Indicator on the front panel shows available power within the +system. Ideally it should be at the maximum. It drops when batteries +run empty or when consumed power (too loud music) is greater than +onboard power supply or batteries can handle. It has on/off switch and +stereo audio input. Audio input impedance is about 100 ohms. +

+ + +
+

make,%20side.png +

+
+ +

+Idea for the holes on the top and smaller ones on the bottom back is +to enable air flow for passive cooling. +

+ + +
+

make,%20back.png +

+
+ +

+Entire construction is made of parts, no larger than +120x120x120mm. Maximum for my printer. +

+
+
+ +
+

3 Battery holder

+
+

+Device is powered by 4 times AA NiMH batteries (1.2V each). +

+ + +
+

schematic.png +

+
+ +

+I happened to have AA battery adapters lying around with different +bottom hole configurations. Therefore this weird hole design: +

+ + +
+

battery%20holder.png +

+
+ +

+Download: +

+ + +

+Result: +make.png +

+ +

+Attaches to the back of the body: +mounted%20on%20the%20back.png +

+
+
+ +
+

4 20V up-step module

+
+

+Battery pack voltage is routed through main on/off switch on the front +panel, and then it goes to the 20V up-step module. +

+ + +
+

schematic.png +

+
+ +

+It uses ready made upstep module, but adds extra voltage filtering via +inductor and capacitors. +

+ + +
+

make.png +

+
+
+
+ +
+

5 Main board

+
+

+Voltage upstep above sits on top of main board (motherboard). It has +uniform central bus that spans all connectors. +

+ + +
+

internal%20bus.png +

+
+ + +
+

bus%20on%20the%20bottom,%202.png +

+
+ +

+First row of the main board is special IO terminal (for connecting +speakers, front panel, etc..) +

+ + +
+

IO%20terminal.png +

+
+ +

+Remaining rows are for connecting boards: +

+ + +
+

1.png +

+
+ +

+To provide structural support, main board is attached to frame: +

+ + +
+

board%20fixator%20body.png +

+
+ +

+Download: +

+ + +

+And boards plugged into main board are fixed at the top, using clip: +

+ + +
+

board%20fixator%20top%20clip.png +

+
+ +

+Download: +

+ + +

+Result: +

+ + +
+

bus%20on%20the%20bottom,%201.png +

+
+ + +
+

board%20fixator.png +

+
+
+
+ +
+

6 Mono audio amplifier module

+
+

+Design uses scavenged secondhand Chinese TDA2030 audio amp +clones. Each chip is mono audio amplifier. Therefore 2 almost +identical audio amp modules had to be built, one for left speaker, one +for right. +

+ + +
+

schematic.png +

+
+ +

+I like to build on top of prototype PCBs. Gives results much faster +for one-off projects. Before soldering, I solve component layout on +paper: +

+ + +
+

PCB%20layout.png +

+
+ +

+Result - front: +

+ + +
+

assembled%20front.png +

+
+ +

+Result - back: +

+ + +
+

assembled%20back.png +

+
+ +

+Here copper tape is used as improvised heatsink. +

+
+
+ +
+

7 Speakers

+
+

+High frequency small speaker and medium frequency bigger speaker are +combined. +

+ + +
+

schematic.png +

+
+ +

+Capacitor acts as high-pass filter on top of tiny PCB: +

+ + +
+

PCB%20layout.png +

+
+ +

+Speaker enclosure: +

+ + +
+

speaker%20enclosure.png +

+
+ +

+Download: +

+ + +

+Speaker enclosure cover: +

+ + +
+

speaker%20enclosure%20cover.png +

+
+ +

+Download: +

+ + +

+Result: +

+ + +
+

make.png +

+
+
+
+ +
+

8 Front panel

+
+

+Initial idea was really simple panel: +

+
    +
  • on/off switch +
    • +
  • system power indicator +
    • +
  • stereo audio input +
    • +
+ +

+But, since I'm using "agile" approach, during load-testing, it become +clear that active fan based cooling would be nice (when playing loud +music). I found tiny cooler fan that needs 5 volts to operate. Also I +need to power backlight for power indicator. For both of these cases, +I decided to add another voltage up-step module (target voltage output +set to 6V). This time directly on the front panel. +

+ + +
+

schematic.png +

+
+ +

+Front panel case: +

+ + +
+

front%20panel,%20front.png +

+
+ + +
+

front%20panel,%20back.png +

+
+ +

+Electronics fits inside: +

+ + +
+

front%20panel,%20back,%20make.png +

+
+ +

+Front view: +

+ + +
+

front%20panel,%20front,%20make.png +

+
+ +

+And attaches to the remaining components: +

+ + +
+

attachment.png +

+
+
+
+ + +
+

9 Extra capacitors

+
+

+Another thing that become clear during load-testing: output +power/volume can be further enhanced by adding high power capacitors +to even out load on primary 20V up-step module. +

+ + +
+

extra%20caps.png +

+
+ +

+Download: +

+ + +

+Extra caps are mounted on top of the speaker and electrically attached +to the main board. +

+ + +
+

make.png +

+
+
+
+ +
+

10 Center box

+
+

+Last physical part, to attach it all together: central body. +

+ +

+Front: +front.png +

+ +

+Back: +back.png +

+ +

+Download: +

+ +
+
+ + +
+

11 Conclusions / TODO

+
+

+These things could be done better: +

+ +
    +
  • Instead of using undersized heatsinks on the audio amplifiers and +need for active cooling as a consequence, it would be better to try +to mount audio amplifier chip on top of speaker metallic body. It +would provide plenty of cooling and reduces power losses within +cable, since amplifier would be as close to the speaker as possible. +
    • + +
  • I used agile design. That is, implemented functionality ad-hoc. If I +had done design in advance, then I could have had smarter connector +layout between main board and front panel. That is: Instead of +multiple smaller cables, one wide (multi connector) cable. +
    • + +
  • Screw holes are too close to the edges on the front panel. +
    • + +
  • It would be better if screw heads were slightly buried within +construction body. +
    • +
+ + +

+Overall, it was good learning experience and I was able to test +various ideas on it. Will add cooler later :) +

+ + +

+Photo of initial PSU + audio amp test: +

+ + +
+

initial%20test.png +

+
+
+
+
+
+ + + diff --git a/Miscellaneous/portable stereo active speaker/index.org b/Miscellaneous/portable stereo active speaker/index.org new file mode 100644 index 0000000..0cef8d3 --- /dev/null +++ b/Miscellaneous/portable stereo active speaker/index.org @@ -0,0 +1,271 @@ +#+TITLE: Portable stereo speaker +#+AUTHOR: Svjatoslav Agejenko +#+LANGUAGE: en + +* (document settings) :noexport: +** use dark style for TWBS-HTML exporter +#+HTML_HEAD: +#+HTML_HEAD: +#+HTML_HEAD: +#+HTML_HEAD: + +* General ++ DISCLAIMER: I DO ELECTRONICS AND 3D DESIGN SOLELY AS A HOBBY. THERE + COULD BE ERRORS THAT CAN RESULT IN ALL KINDS OF DAMAGE. USE THESE + DESIGNS AT YOUR OWN RISK. + ++ This design is released under Creative Commons Zero (CC0) license. + ++ Author: + - Svjatoslav Agejenko + - Homepage: https://svjatoslav.eu + - Email: [[mailto://svjatoslav@svjatoslav.eu][svjatoslav@svjatoslav.eu]] + ++ See also: + - [[../../index.html][Other physical projects in this repository]] + - [[https://www.svjatoslav.eu/projects/][Other projects hosted at svjatoslav.eu]] + +* Project description +I had pair of good compact stereo speakers lying uselessly around as +well as secondhand TDA2030 Chinese knockoff audio amplifier chips. +Also I wanted to test modular construction approach: motherboard with +shared bus and functionality realized via pluggable modules. So I +built stereo speaker: + +[[file:make.png]] + +Indicator on the front panel shows available power within the +system. Ideally it should be at the maximum. It drops when batteries +run empty or when consumed power (too loud music) is greater than +onboard power supply or batteries can handle. It has on/off switch and +stereo audio input. Audio input impedance is about 100 ohms. + +[[file:make,%20side.png]] + +Idea for the holes on the top and smaller ones on the bottom back is +to enable air flow for passive cooling. + +[[file:make,%20back.png]] + +Entire construction is made of parts, no larger than +120x120x120mm. Maximum for my printer. + +* Battery holder +Device is powered by 4 times AA NiMH batteries (1.2V each). + +[[file:battery%20holder/schematic.png]] + +I happened to have AA battery adapters lying around with different +bottom hole configurations. Therefore this weird hole design: + +[[file:battery%20holder/battery%20holder.png]] + +Download: ++ [[file:battery%20holder/battery%20holder.FCStd][FreeCAD file]] ++ [[file:battery%20holder/battery%20holder.stl][STL file]] + +Result: +[[file:battery%20holder/make.png]] + +Attaches to the back of the body: +[[file:battery%20holder/mounted%20on%20the%20back.png]] + +* 20V up-step module +Battery pack voltage is routed through main on/off switch on the front +panel, and then it goes to the 20V up-step module. + +[[file:20V%20upstep%20module/schematic.png]] + +It uses ready made upstep module, but adds extra voltage filtering via +inductor and capacitors. + +[[file:20V%20upstep%20module/make.png]] + +* Main board + +Voltage upstep above sits on top of main board (motherboard). It has +uniform central bus that spans all connectors. + +[[file:main%20board/internal%20bus.png]] + +[[file:main%20board/bus%20on%20the%20bottom,%202.png]] + +First row of the main board is special IO terminal (for connecting +speakers, front panel, etc..) + +[[file:main%20board/IO%20terminal.png]] + +Remaining rows are for connecting boards: + +[[file:main%20board/1.png]] + +To provide structural support, main board is attached to frame: + +[[file:main%20board/board%20fixator%20body.png]] + +Download: ++ [[file:main%20board/board%20fixator%20body.FCStd][FreeCAD file]] ++ [[file:main%20board/board%20fixator%20body.stl][STL file]] + +And boards plugged into main board are fixed at the top, using clip: + +[[file:main%20board/board%20fixator%20top%20clip.png]] + +Download: ++ [[file:main%20board/board%20fixator%20top%20clip.FCStd][FreeCAD file]] ++ [[file:main%20board/board%20fixator%20top%20clip.stl][STL file]] + +Result: + +[[file:main%20board/bus%20on%20the%20bottom,%201.png]] + +[[file:main%20board/board%20fixator.png]] + +* Mono audio amplifier module + +Design uses scavenged secondhand Chinese TDA2030 audio amp +clones. Each chip is mono audio amplifier. Therefore 2 almost +identical audio amp modules had to be built, one for left speaker, one +for right. + +[[file:mono%20audio%20amp%20module/schematic.png]] + +I like to build on top of prototype PCBs. Gives results much faster +for one-off projects. Before soldering, I solve component layout on +paper: + +[[file:mono%20audio%20amp%20module/PCB%20layout.png]] + +Result - front: + +[[file:mono%20audio%20amp%20module/assembled%20front.png]] + +Result - back: + +[[file:mono%20audio%20amp%20module/assembled%20back.png]] + +Here copper tape is used as improvised heatsink. + +* Speakers + +High frequency small speaker and medium frequency bigger speaker are +combined. + +[[file:speakers/schematic.png]] + +Capacitor acts as high-pass filter on top of tiny PCB: + +[[file:speakers/PCB%20layout.png]] + +Speaker enclosure: + +[[file:speakers/speaker%20enclosure.png]] + +Download: ++ [[file:speakers/speaker%20enclosure.FCStd][FreeCAD file]] ++ [[file:speakers/speaker%20enclosure.stl][STL file]] + +Speaker enclosure cover: + +[[file:speakers/speaker%20enclosure%20cover.png]] + +Download: ++ [[file:speakers/speaker%20enclosure%20cover.FCStd][FreeCAD file]] ++ [[file:speakers/speaker%20enclosure%20cover.stl][STL file]] + +Result: + +[[file:speakers/make.png]] + +* Front panel + +Initial idea was really simple panel: ++ on/off switch ++ system power indicator ++ stereo audio input + +But, since I'm using "agile" approach, during load-testing, it become +clear that active fan based cooling would be nice (when playing loud +music). I found tiny cooler fan that needs 5 volts to operate. Also I +need to power backlight for power indicator. For both of these cases, +I decided to add another voltage up-step module (target voltage output +set to 6V). This time directly on the front panel. + +[[file:front%20panel/schematic.png]] + +Front panel case: + +[[file:front%20panel/front%20panel,%20front.png]] + +[[file:front%20panel/front%20panel,%20back.png]] + +Electronics fits inside: + +[[file:front%20panel/front%20panel,%20back,%20make.png]] + +Front view: + +[[file:front%20panel/front%20panel,%20front,%20make.png]] + +And attaches to the remaining components: + +[[file:front%20panel/attachment.png]] + +* Extra capacitors +Another thing that become clear during load-testing: output +power/volume can be further enhanced by adding high power capacitors +to even out load on primary 20V up-step module. + +[[file:extra%20capacitors/extra%20caps.png]] + +Download: ++ [[file:extra%20capacitors/extra%20caps.FCStd][FreeCAD project]] ++ [[file:extra%20capacitors/extra%20caps.stl][STL file]] + +Extra caps are mounted on top of the speaker and electrically attached +to the main board. + +[[file:extra%20capacitors/make.png]] + +* Center box + +Last physical part, to attach it all together: central body. + +Front: +[[file:center%20box/front.png]] + +Back: +[[file:center%20box/back.png]] + +Download: ++ [[file:center%20box/center%20box.FCStd][FreeCAD file]] ++ [[file:center%20box/center%20box.stl][STL file]] + +* Conclusions / TODO +Photo of initial PSU + audio amp test: +[[file:initial%20test.png]] + + +Improvement ideas: + ++ Instead of using undersized heatsinks on the audio amplifiers and + need for active cooling as a consequence, it would be better to try + to mount audio amplifier chip on top of speaker metallic body. It + would provide plenty of cooling and reduces power losses within + cable, since amplifier would be as close to the speaker as possible. + ++ Add possibility to power device from USB socket in addition to + batteries. + ++ Front panel: + + Use digital voltage indicator to gauge remaining battery power. + + + Add possibility to have multiple inputs. + + + It would be better if screw heads were slightly buried within + construction body. + + + Screw holes are too close to the edges on the front panel. diff --git a/Miscellaneous/portable stereo active speaker/initial test.png b/Miscellaneous/portable stereo active speaker/initial test.png new file mode 100644 index 0000000..f07db1f Binary files /dev/null and b/Miscellaneous/portable stereo active speaker/initial test.png differ diff --git a/Miscellaneous/portable stereo active speaker/main board/1.png b/Miscellaneous/portable stereo active speaker/main board/1.png new file mode 100644 index 0000000..ca7c160 Binary files /dev/null and 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b/Miscellaneous/portable stereo active speaker/mono audio amp module/assembled back.png new file mode 100644 index 0000000..7ca3a8c Binary files /dev/null and b/Miscellaneous/portable stereo active speaker/mono audio amp module/assembled back.png differ diff --git a/Miscellaneous/portable stereo active speaker/mono audio amp module/assembled front.png b/Miscellaneous/portable stereo active speaker/mono audio amp module/assembled front.png new file mode 100644 index 0000000..824d219 Binary files /dev/null and b/Miscellaneous/portable stereo active speaker/mono audio amp module/assembled front.png differ diff --git a/Miscellaneous/portable stereo active speaker/mono audio amp module/schematic-cache.lib b/Miscellaneous/portable stereo active speaker/mono audio amp module/schematic-cache.lib new file mode 100644 index 0000000..94e7bd4 --- /dev/null +++ b/Miscellaneous/portable stereo active speaker/mono audio amp module/schematic-cache.lib @@ -0,0 +1,112 @@ +EESchema-LIBRARY Version 2.4 +#encoding utf-8 +# +# Amplifier_Audio_TDA2030 +# +DEF Amplifier_Audio_TDA2030 U 0 5 Y Y 1 F N +F0 "U" 150 250 50 H V C CNN +F1 "Amplifier_Audio_TDA2030" 150 150 50 H V C CNN +F2 "Package_TO_SOT_THT:TO-220-5_P3.4x3.7mm_StaggerOdd_Lead3.8mm_Vertical" 0 0 50 H I C CIN +F3 "" 0 0 50 H I C CNN +ALIAS TDA2050 +$FPLIST + TO*220*StaggerOdd* +$ENDFPLIST +DRAW +P 4 0 1 10 -200 200 200 0 -200 -200 -200 200 f +X + 1 -300 100 100 R 50 50 1 1 I +X - 2 -300 -100 100 R 50 50 1 1 I +X -Vs 3 -100 -300 150 U 50 40 1 1 W +X ~ 4 300 0 100 L 50 50 1 1 O +X +Vs 5 -100 300 150 D 50 40 1 1 W +ENDDRAW +ENDDEF +# +# Connector_Conn_01x01_Male +# +DEF Connector_Conn_01x01_Male J 0 40 Y N 1 F N +F0 "J" 0 100 50 H V C CNN +F1 "Connector_Conn_01x01_Male" 0 -100 50 H V C CNN +F2 "" 0 0 50 H I C CNN +F3 "" 0 0 50 H I C CNN +$FPLIST + Connector*:* +$ENDFPLIST +DRAW +S 34 5 0 -5 1 1 6 F +P 2 1 1 6 50 0 34 0 N +X Pin_1 1 200 0 150 L 50 50 1 1 P +ENDDRAW +ENDDEF +# +# Device_C +# +DEF Device_C C 0 10 N Y 1 F N +F0 "C" 25 100 50 H V L CNN +F1 "Device_C" 25 -100 50 H V L CNN +F2 "" 38 -150 50 H I C CNN +F3 "" 0 0 50 H I C CNN +$FPLIST + C_* +$ENDFPLIST +DRAW +P 2 0 1 20 -80 -30 80 -30 N +P 2 0 1 20 -80 30 80 30 N +X ~ 1 0 150 110 D 50 50 1 1 P +X ~ 2 0 -150 110 U 50 50 1 1 P +ENDDRAW +ENDDEF +# +# Device_D +# +DEF Device_D D 0 40 N N 1 F N +F0 "D" 0 100 50 H V C CNN +F1 "Device_D" 0 -100 50 H V C CNN +F2 "" 0 0 50 H I C CNN +F3 "" 0 0 50 H I C CNN +$FPLIST + TO-???* + *_Diode_* + *SingleDiode* + D_* +$ENDFPLIST +DRAW +P 2 0 1 8 -50 50 -50 -50 N +P 2 0 1 0 50 0 -50 0 N +P 4 0 1 8 50 50 50 -50 -50 0 50 50 N +X K 1 -150 0 100 R 50 50 1 1 P +X A 2 150 0 100 L 50 50 1 1 P +ENDDRAW +ENDDEF +# +# Device_R +# +DEF Device_R R 0 0 N Y 1 F N +F0 "R" 80 0 50 V V C CNN +F1 "Device_R" 0 0 50 V V C CNN +F2 "" -70 0 50 V I C CNN +F3 "" 0 0 50 H I C CNN +$FPLIST + R_* +$ENDFPLIST +DRAW +S -40 -100 40 100 0 1 10 N +X ~ 1 0 150 50 D 50 50 1 1 P +X ~ 2 0 -150 50 U 50 50 1 1 P +ENDDRAW +ENDDEF +# +# power_GND +# +DEF power_GND #PWR 0 0 Y Y 1 F P +F0 "#PWR" 0 -250 50 H I C CNN +F1 "power_GND" 0 -150 50 H V C CNN +F2 "" 0 0 50 H I C CNN +F3 "" 0 0 50 H I C CNN +DRAW +P 6 0 1 0 0 0 0 -50 50 -50 0 -100 -50 -50 0 -50 N +X GND 1 0 0 0 D 50 50 1 1 W N +ENDDRAW +ENDDEF +# +#End Library diff --git a/Miscellaneous/portable stereo active speaker/mono audio amp module/schematic.png b/Miscellaneous/portable stereo active speaker/mono audio amp module/schematic.png new file mode 100644 index 0000000..22cd5cb Binary files /dev/null and b/Miscellaneous/portable stereo active speaker/mono audio amp module/schematic.png differ diff --git a/Miscellaneous/portable stereo active speaker/mono audio amp module/schematic.pro b/Miscellaneous/portable stereo active speaker/mono audio amp module/schematic.pro new file mode 100644 index 0000000..152769c --- /dev/null +++ b/Miscellaneous/portable stereo active speaker/mono audio amp module/schematic.pro @@ -0,0 +1,33 @@ +update=22/05/2015 07:44:53 +version=1 +last_client=kicad +[general] +version=1 +RootSch= +BoardNm= +[pcbnew] +version=1 +LastNetListRead= +UseCmpFile=1 +PadDrill=0.600000000000 +PadDrillOvalY=0.600000000000 +PadSizeH=1.500000000000 +PadSizeV=1.500000000000 +PcbTextSizeV=1.500000000000 +PcbTextSizeH=1.500000000000 +PcbTextThickness=0.300000000000 +ModuleTextSizeV=1.000000000000 +ModuleTextSizeH=1.000000000000 +ModuleTextSizeThickness=0.150000000000 +SolderMaskClearance=0.000000000000 +SolderMaskMinWidth=0.000000000000 +DrawSegmentWidth=0.200000000000 +BoardOutlineThickness=0.100000000000 +ModuleOutlineThickness=0.150000000000 +[cvpcb] +version=1 +NetIExt=net +[eeschema] +version=1 +LibDir= +[eeschema/libraries] diff --git a/Miscellaneous/portable stereo active speaker/mono audio amp module/schematic.sch b/Miscellaneous/portable stereo active speaker/mono audio amp module/schematic.sch new file mode 100644 index 0000000..8ddde88 --- /dev/null +++ b/Miscellaneous/portable stereo active speaker/mono audio amp module/schematic.sch @@ -0,0 +1,449 @@ +EESchema Schematic File Version 4 +EELAYER 30 0 +EELAYER END +$Descr A4 11693 8268 +encoding utf-8 +Sheet 1 1 +Title "" +Date "" +Rev "" +Comp "" +Comment1 "" +Comment2 "" +Comment3 "" +Comment4 "" +$EndDescr +$Comp +L Device:C C4 +U 1 1 5E9315A7 +P 3400 3300 +F 0 "C4" V 3652 3300 50 0000 C CNN +F 1 "2.2u" V 3561 3300 50 0000 C CNN +F 2 "" H 3438 3150 50 0001 C CNN +F 3 "~" H 3400 3300 50 0001 C CNN + 1 3400 3300 + 0 -1 -1 0 +$EndComp +Wire Wire Line + 3550 3300 3650 3300 +$Comp +L Device:R R2 +U 1 1 5E931B66 +P 3100 2600 +F 0 "R2" H 3170 2646 50 0000 L CNN +F 1 "100k" H 3170 2555 50 0000 L CNN +F 2 "" V 3030 2600 50 0001 C CNN +F 3 "~" H 3100 2600 50 0001 C CNN + 1 3100 2600 + 1 0 0 -1 +$EndComp +$Comp +L Device:R R3 +U 1 1 5E931D42 +P 3100 3900 +F 0 "R3" H 3170 3946 50 0000 L CNN +F 1 "100k" H 3170 3855 50 0000 L CNN +F 2 "" V 3030 3900 50 0001 C CNN +F 3 "~" H 3100 3900 50 0001 C CNN + 1 3100 3900 + 1 0 0 -1 +$EndComp +Connection ~ 3650 3300 +Wire Wire Line + 3650 3300 3950 3300 +$Comp +L Device:R R4 +U 1 1 5E93212A +P 3450 3650 +F 0 "R4" V 3657 3650 50 0000 C CNN +F 1 "100k" V 3566 3650 50 0000 C CNN +F 2 "" V 3380 3650 50 0001 C CNN +F 3 "~" H 3450 3650 50 0001 C CNN + 1 3450 3650 + 0 -1 -1 0 +$EndComp +Wire Wire Line + 3600 3650 3650 3650 +Wire Wire Line + 3650 3300 3650 3650 +Wire Wire Line + 3300 3650 3100 3650 +Wire Wire Line + 3100 3650 3100 3750 +Wire Wire Line + 3100 2750 3100 3650 +Connection ~ 3100 3650 +Wire Wire Line + 2450 3300 3250 3300 +Connection ~ 2450 3300 +Wire Wire Line + 2450 3750 2450 3300 +$Comp +L Device:R R1 +U 1 1 5E938DF3 +P 2450 3900 +F 0 "R1" H 2520 3946 50 0000 L CNN +F 1 "100" H 2520 3855 50 0000 L CNN +F 2 "" V 2380 3900 50 0001 C CNN +F 3 "~" H 2450 3900 50 0001 C CNN + 1 2450 3900 + 1 0 0 -1 +$EndComp +Wire Wire Line + 2100 3300 2450 3300 +$Comp +L Connector:Conn_01x01_Male J2 +U 1 1 5E930B02 +P 1900 3300 +F 0 "J2" H 2008 3481 50 0000 C CNN +F 1 "6 / 8: audio in" H 2008 3390 50 0000 C CNN +F 2 "" H 1900 3300 50 0001 C CNN +F 3 "~" H 1900 3300 50 0001 C CNN + 1 1900 3300 + 1 0 0 -1 +$EndComp +$Comp +L Device:C C3 +U 1 1 5E93BB29 +P 2750 3900 +F 0 "C3" H 2865 3946 50 0000 L CNN +F 1 "22u" H 2865 3855 50 0000 L CNN +F 2 "" H 2788 3750 50 0001 C CNN +F 3 "~" H 2750 3900 50 0001 C CNN + 1 2750 3900 + 1 0 0 -1 +$EndComp +Wire Wire Line + 2750 3750 2750 3650 +Wire Wire Line + 2750 3650 3100 3650 +Wire Wire Line + 2450 4050 2450 4200 +Wire Wire Line + 2450 4200 2750 4200 +Wire Wire Line + 3100 4200 3100 4050 +Wire Wire Line + 2750 4050 2750 4200 +Connection ~ 2750 4200 +Wire Wire Line + 2750 4200 3100 4200 +$Comp +L power:GND #PWR03 +U 1 1 5E93C58E +P 2750 4350 +F 0 "#PWR03" H 2750 4100 50 0001 C CNN +F 1 "GND" H 2755 4177 50 0000 C CNN +F 2 "" H 2750 4350 50 0001 C CNN +F 3 "" H 2750 4350 50 0001 C CNN + 1 2750 4350 + 1 0 0 -1 +$EndComp +Wire Wire Line + 2750 4350 2750 4200 +$Comp +L Device:C C2 +U 1 1 5E93DE05 +P 3750 2600 +F 0 "C2" H 3865 2646 50 0000 L CNN +F 1 "0.1u" H 3865 2555 50 0000 L CNN +F 2 "" H 3788 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3870 4896 50 0000 L CNN +F 1 "4k7" H 3870 4805 50 0000 L CNN +F 2 "" V 3730 4850 50 0001 C CNN +F 3 "~" H 3800 4850 50 0001 C CNN + 1 3800 4850 + 1 0 0 -1 +$EndComp +Wire Wire Line + 3800 4700 3800 4600 +$Comp +L power:GND #PWR04 +U 1 1 5E95735E +P 3800 5100 +F 0 "#PWR04" H 3800 4850 50 0001 C CNN +F 1 "GND" H 3805 4927 50 0000 C CNN +F 2 "" H 3800 5100 50 0001 C CNN +F 3 "" H 3800 5100 50 0001 C CNN + 1 3800 5100 + 1 0 0 -1 +$EndComp +Wire Wire Line + 3800 5100 3800 5000 +$Comp +L Device:R R6 +U 1 1 5E95CDA0 +P 4350 4200 +F 0 "R6" V 4143 4200 50 0000 C CNN +F 1 "100k" V 4234 4200 50 0000 C CNN +F 2 "" V 4280 4200 50 0001 C CNN +F 3 "~" H 4350 4200 50 0001 C CNN + 1 4350 4200 + 0 1 1 0 +$EndComp +Wire Wire Line + 4200 4200 3800 4200 +Connection ~ 3800 4200 +Wire Wire Line + 3800 4200 3800 3500 +Wire Wire Line + 4500 4200 4600 4200 +Wire Wire Line + 4600 4200 4600 3400 +Wire Wire Line + 4600 3400 4550 3400 +$Comp +L Device:D D2 +U 1 1 5E95E389 +P 4600 4500 +F 0 "D2" V 4554 4579 50 0000 L CNN +F 1 "D" V 4645 4579 50 0000 L CNN +F 2 "" H 4600 4500 50 0001 C CNN +F 3 "~" H 4600 4500 50 0001 C CNN + 1 4600 4500 + 0 1 1 0 +$EndComp +$Comp +L Amplifier_Audio:TDA2030 U1 +U 1 1 5E9303C6 +P 4250 3400 +F 0 "U1" H 4594 3446 50 0000 L CNN +F 1 "TDA2030" H 4594 3355 50 0000 L CNN +F 2 "Package_TO_SOT_THT:TO-220-5_P3.4x3.7mm_StaggerOdd_Lead3.8mm_Vertical" H 4250 3400 50 0001 C CIN +F 3 "http://www.st.com/resource/en/datasheet/cd00000128.pdf" H 4250 3400 50 0001 C CNN + 1 4250 3400 + 1 0 0 -1 +$EndComp +Wire Wire Line + 4600 4350 4600 4200 +Connection ~ 4600 4200 +$Comp +L power:GND #PWR06 +U 1 1 5E96169D +P 4600 4800 +F 0 "#PWR06" H 4600 4550 50 0001 C CNN +F 1 "GND" H 4605 4627 50 0000 C CNN +F 2 "" H 4600 4800 50 0001 C CNN +F 3 "" H 4600 4800 50 0001 C CNN + 1 4600 4800 + 1 0 0 -1 +$EndComp +Wire Wire Line + 4600 4800 4600 4650 +$Comp +L Device:D D1 +U 1 1 5E9623DA +P 4600 2600 +F 0 "D1" V 4554 2679 50 0000 L CNN +F 1 "D" V 4645 2679 50 0000 L CNN +F 2 "" H 4600 2600 50 0001 C CNN +F 3 "~" H 4600 2600 50 0001 C CNN + 1 4600 2600 + 0 1 1 0 +$EndComp +Wire Wire Line + 4600 2750 4600 3400 +Connection ~ 4600 3400 +Wire Wire Line + 4600 2450 4600 2350 +Wire Wire Line + 4600 2350 4150 2350 +Connection ~ 4150 2350 +$Comp +L Device:R R7 +U 1 1 5E967089 +P 5000 3750 +F 0 "R7" H 5070 3796 50 0000 L CNN +F 1 "1" H 5070 3705 50 0000 L CNN +F 2 "" V 4930 3750 50 0001 C CNN +F 3 "~" H 5000 3750 50 0001 C CNN + 1 5000 3750 + 1 0 0 -1 +$EndComp +$Comp +L Device:C C6 +U 1 1 5E967648 +P 5000 4150 +F 0 "C6" H 5115 4196 50 0000 L CNN +F 1 "0.1u" H 5115 4105 50 0000 L CNN +F 2 "" H 5038 4000 50 0001 C CNN +F 3 "~" H 5000 4150 50 0001 C CNN + 1 5000 4150 + 1 0 0 -1 +$EndComp +$Comp +L power:GND #PWR07 +U 1 1 5E967B1B +P 5000 4400 +F 0 "#PWR07" H 5000 4150 50 0001 C CNN +F 1 "GND" H 5005 4227 50 0000 C CNN +F 2 "" H 5000 4400 50 0001 C CNN +F 3 "" H 5000 4400 50 0001 C CNN + 1 5000 4400 + 1 0 0 -1 +$EndComp +$Comp +L Device:C C7 +U 1 1 5E967F8E +P 5350 3400 +F 0 "C7" V 5098 3400 50 0000 C CNN +F 1 "2200u" V 5189 3400 50 0000 C CNN +F 2 "" H 5388 3250 50 0001 C CNN +F 3 "~" H 5350 3400 50 0001 C CNN + 1 5350 3400 + 0 1 1 0 +$EndComp +Wire Wire Line + 4600 3400 5000 3400 +Wire Wire Line + 5000 3600 5000 3400 +Connection ~ 5000 3400 +Wire Wire Line + 5000 3400 5200 3400 +Wire Wire Line + 5000 3900 5000 4000 +Wire Wire Line + 5000 4300 5000 4400 +$Comp +L Connector:Conn_01x01_Male J3 +U 1 1 5E96C10D +P 5800 3400 +F 0 "J3" H 5772 3332 50 0000 R CNN +F 1 "7 / 9: speaker signal out" H 5772 3423 50 0000 R CNN +F 2 "" H 5800 3400 50 0001 C CNN +F 3 "~" H 5800 3400 50 0001 C CNN + 1 5800 3400 + -1 0 0 1 +$EndComp +Wire Wire Line + 5500 3400 5600 3400 +Wire Wire Line + 2300 2350 3100 2350 +Wire Wire Line + 3750 2450 3750 2350 +Connection ~ 3750 2350 +Wire Wire Line + 3750 2350 4150 2350 +$Comp +L Connector:Conn_01x01_Male J4 +U 1 1 5E989AED +P 2000 4750 +F 0 "J4" H 2108 4931 50 0000 C CNN +F 1 "1, 2: GND" H 2108 4840 50 0000 C CNN +F 2 "" H 2000 4750 50 0001 C CNN +F 3 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a/Miscellaneous/portable stereo active speaker/speakers/schematic.png b/Miscellaneous/portable stereo active speaker/speakers/schematic.png new file mode 100644 index 0000000..e1c04b9 Binary files /dev/null and b/Miscellaneous/portable stereo active speaker/speakers/schematic.png differ diff --git a/Miscellaneous/portable stereo active speaker/speakers/speaker enclosure cover.FCStd b/Miscellaneous/portable stereo active speaker/speakers/speaker enclosure cover.FCStd new file mode 100644 index 0000000..bb1e1e7 Binary files /dev/null and b/Miscellaneous/portable stereo active speaker/speakers/speaker enclosure cover.FCStd differ diff --git a/Miscellaneous/portable stereo active speaker/speakers/speaker enclosure cover.png b/Miscellaneous/portable stereo active speaker/speakers/speaker enclosure cover.png new file mode 100644 index 0000000..784820a Binary files /dev/null and b/Miscellaneous/portable stereo active speaker/speakers/speaker enclosure cover.png differ diff --git a/Miscellaneous/portable stereo active speaker/speakers/speaker enclosure cover.stl b/Miscellaneous/portable stereo active speaker/speakers/speaker enclosure cover.stl new file mode 100644 index 0000000..f756d27 Binary files /dev/null and b/Miscellaneous/portable stereo active speaker/speakers/speaker enclosure cover.stl differ diff --git a/Miscellaneous/portable stereo active speaker/speakers/speaker enclosure.FCStd b/Miscellaneous/portable stereo active speaker/speakers/speaker enclosure.FCStd new file mode 100644 index 0000000..dd5c930 Binary files /dev/null and b/Miscellaneous/portable stereo active speaker/speakers/speaker enclosure.FCStd differ diff --git a/Miscellaneous/portable stereo active speaker/speakers/speaker enclosure.png b/Miscellaneous/portable stereo active speaker/speakers/speaker enclosure.png new file mode 100644 index 0000000..6854623 Binary files /dev/null and b/Miscellaneous/portable stereo active speaker/speakers/speaker enclosure.png differ diff --git a/Miscellaneous/portable stereo active speaker/speakers/speaker enclosure.stl b/Miscellaneous/portable stereo active speaker/speakers/speaker enclosure.stl new file mode 100644 index 0000000..3fff7be Binary files /dev/null and b/Miscellaneous/portable stereo active speaker/speakers/speaker enclosure.stl differ diff --git a/Miscellaneous/round pincers/index.html b/Miscellaneous/round pincers/index.html new file mode 100644 index 0000000..353526a --- /dev/null +++ b/Miscellaneous/round pincers/index.html @@ -0,0 +1,319 @@ + + + + + + + +Round ended pincers + + + + + + + + + + + +
+

Round ended pincers

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+

Table of Contents

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1 General

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2 Project description

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+Pincers allow to push LEGO EV3 rounded pins in and also pull them out. +

+ + +
+

make.png +

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+Make sure to have strong infill pattern and thick borders when +printing for maximum strength. +

+ +

+Schematic: +schematic.png +

+ +

+Design has half of the pincers. 2 identical pieces have to be printed +out and connected at the end with glue and screw. +

+ + +
+

make, 2.png +

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3 Download

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Author: Svjatoslav Agejenko

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Created: 2021-04-11 Sun 21:17

+

Validate

+
+ + diff --git a/Miscellaneous/round pincers/index.org b/Miscellaneous/round pincers/index.org new file mode 100644 index 0000000..1fc6f82 --- /dev/null +++ b/Miscellaneous/round pincers/index.org @@ -0,0 +1,50 @@ +#+TITLE: Round ended pincers +#+AUTHOR: Svjatoslav Agejenko +#+LANGUAGE: en + +* (document settings) :noexport: +** use dark style for TWBS-HTML exporter +#+HTML_HEAD: +#+HTML_HEAD: +#+HTML_HEAD: +#+HTML_HEAD: + +* General ++ DISCLAIMER: I DO ELECTRONICS AND 3D DESIGN SOLELY AS A HOBBY. THERE + COULD BE ERRORS THAT CAN RESULT IN ALL KINDS OF DAMAGE. USE THESE + DESIGNS AT YOUR OWN RISK. + ++ This design is released under Creative Commons Zero (CC0) license. + ++ Author: + - Svjatoslav Agejenko + - Homepage: https://svjatoslav.eu + - Email: [[mailto://svjatoslav@svjatoslav.eu][svjatoslav@svjatoslav.eu]] + ++ See also: + - [[../../index.html][Other physical projects in this repository]] + - [[https://www.svjatoslav.eu/projects/][Other projects hosted at svjatoslav.eu]] + +* Project description +Pincers allow to push LEGO EV3 rounded pins in and also pull them out. + +[[file:make.png]] + +Make sure to have strong infill pattern and thick borders when +printing for maximum strength. + +Schematic: +[[file:schematic.png]] + +Design has half of the pincers. 2 identical pieces have to be printed +out and connected at the end with glue and screw. + +[[file:make, 2.png]] + +* Download + +- [[file:round pincers.FCStd][FreeCAD project]] +- [[file:round pincers.stl][STL file]] diff --git a/Miscellaneous/round pincers/make, 2.png b/Miscellaneous/round pincers/make, 2.png new file mode 100644 index 0000000..65494e1 Binary files /dev/null and b/Miscellaneous/round pincers/make, 2.png differ diff --git a/Miscellaneous/round pincers/make.png b/Miscellaneous/round pincers/make.png new file mode 100644 index 0000000..b3885ec Binary files /dev/null and b/Miscellaneous/round pincers/make.png differ diff --git a/Miscellaneous/round pincers/round pincers.FCStd b/Miscellaneous/round pincers/round pincers.FCStd new file mode 100644 index 0000000..ed30855 Binary files /dev/null and b/Miscellaneous/round pincers/round pincers.FCStd differ diff --git a/Miscellaneous/round pincers/round pincers.stl b/Miscellaneous/round pincers/round pincers.stl new file mode 100644 index 0000000..2d66f0f Binary files /dev/null and b/Miscellaneous/round pincers/round pincers.stl differ diff --git a/Miscellaneous/round pincers/schematic.png b/Miscellaneous/round pincers/schematic.png new file mode 100644 index 0000000..41ae330 Binary files /dev/null and b/Miscellaneous/round pincers/schematic.png differ diff --git a/Miscellaneous/window fixator/index.html b/Miscellaneous/window fixator/index.html new file mode 100644 index 0000000..55fbaa0 --- /dev/null +++ b/Miscellaneous/window fixator/index.html @@ -0,0 +1,286 @@ + + + +Window holder + + + + + + + + + + + + + +
+

Window holder

+ +
+

1 General

+
+ +
+
+ +
+

2 Project description

+
+ +
+

make.png +

+
+ +

+Keeps window open so that strong wind will not slam it close. +

+ + +
+

schematic.png +

+
+ +

+Download: +

+ +
+
+
+
+ + + diff --git a/Miscellaneous/window fixator/index.org b/Miscellaneous/window fixator/index.org new file mode 100644 index 0000000..f561a1a --- /dev/null +++ b/Miscellaneous/window fixator/index.org @@ -0,0 +1,42 @@ +#+TITLE: Window holder +#+AUTHOR: Svjatoslav Agejenko +#+LANGUAGE: en + +* (document settings) :noexport: +** use dark style for TWBS-HTML exporter +#+HTML_HEAD: +#+HTML_HEAD: +#+HTML_HEAD: +#+HTML_HEAD: + +* General ++ DISCLAIMER: I DO ELECTRONICS AND 3D DESIGN SOLELY AS A HOBBY. THERE + COULD BE ERRORS THAT CAN RESULT IN ALL KINDS OF DAMAGE. USE THESE + DESIGNS AT YOUR OWN RISK. + ++ This design is released under Creative Commons Zero (CC0) license. + ++ Authors: + - Svjatoslav Agejenko + - Homepage: https://svjatoslav.eu + - Email: [[mailto://svjatoslav@svjatoslav.eu][svjatoslav@svjatoslav.eu]] + + - Valeria Agejenko + ++ See also: + - [[../../index.html][Other physical projects in this repository]] + - [[https://www.svjatoslav.eu/projects/][Other projects hosted at svjatoslav.eu]] + +* Project description +[[file:make.png]] + +Keeps window open so that strong wind will not slam it close. + +[[file:schematic.png]] + +Download: ++ [[file:window%20fixator.stl][STL file]] ++ [[file:window%20fixator.FCStd][FreeCAD file]] diff --git a/Miscellaneous/window fixator/make.png b/Miscellaneous/window fixator/make.png new file mode 100644 index 0000000..da77dd1 Binary files /dev/null and b/Miscellaneous/window fixator/make.png differ diff --git a/Miscellaneous/window fixator/schematic.png b/Miscellaneous/window fixator/schematic.png new file mode 100644 index 0000000..b8dec73 Binary files /dev/null and b/Miscellaneous/window fixator/schematic.png differ diff --git a/Miscellaneous/window fixator/window fixator.FCStd b/Miscellaneous/window fixator/window fixator.FCStd new file mode 100644 index 0000000..c932ba5 Binary files /dev/null and b/Miscellaneous/window fixator/window fixator.FCStd differ diff --git a/Miscellaneous/window fixator/window fixator.stl b/Miscellaneous/window fixator/window fixator.stl new file mode 100644 index 0000000..d5afa51 Binary files /dev/null and b/Miscellaneous/window fixator/window fixator.stl differ diff --git a/index.html b/index.html index f86d607..4201456 100644 --- a/index.html +++ b/index.html @@ -3,7 +3,7 @@ "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> - + Physical projects @@ -1103,34 +1103,34 @@ hsAddReviewPanels();

Table of Contents

-
-

1. Overview

+
+

1. Overview

Collection of physical projects. Electronics, 3D designs etc.. @@ -1147,26 +1147,26 @@ DESIGNS AT YOUR OWN RISK. Here you can find:

    -
  1. Cases, covers, holders, organizers +
  2. Cases, covers, holders, organizers
    3. -
  3. Furniture
    4. -
  4. Miscellaneous designs
    5. -
  5. Optics
    6. +
  6. Furniture
    7. +
  7. Miscellaneous designs
    8. +
  8. Optics
-
-

2. Cases, covers, holders, organizers

+
+

2. Cases, covers, holders, organizers

-
-

2.1. Measurement device cases

+
+

2.1. Measurement device cases

  • Digital caliphers battery mod and storage box @@ -1181,8 +1181,8 @@ Here you can find:
-
-

2.2. Optics

+
+

2.2. Optics

  • Case for 52mm macro filter @@ -1209,8 +1209,8 @@ Here you can find:
-
-

2.3. Miscellaneous

+
+

2.3. Miscellaneous

  • Nokia 105 (2019) modification for disabled @@ -1222,15 +1222,15 @@ Here you can find:
-
-

2.4. Cable / wire

+
+

2.4. Cable / wire

  • Cable organizer -
    • +
  • Hook -
    • +
  • USB cable terminals
    • @@ -1242,8 +1242,8 @@ Here you can find:
-
-

3. Furniture

+
+

3. Furniture

  • Book stand @@ -1264,52 +1264,52 @@ Here you can find:
-
-

4. Miscellaneous

+
+

4. Miscellaneous

  • 12V Lead-Acid battery charger and terminal -
    • +
  • Baofeng radio battery charger modification -
    • +
  • adjustable resistor / indicator -
    • +
  • battery tester -
    • - -
  • Lab heater and cooler -
    • +
  • USB Fan modification -
    • +
  • Window fixator -
    • +
  • Rounded pincers -
    • +
    + +
  • Heating/Cooling Plate with Triple Peltier Elements +
-
-

4.1. Audio

+
+

4.1. Audio

  • Portable stereo speaker -
    • +
  • Headphone hub -
    • +
-
-

5. Optics

+
+

5. Optics

  • 35mm film copying device @@ -1324,8 +1324,8 @@ Here you can find:
-
-

6. See also

+
+

6. See also

-
-

7. Repository

+
+

7. Repository

  • Designs in this repository are released under Creative Commons Zero @@ -1353,8 +1353,8 @@ Here you can find:
-
-

7.1. Git repository

+
+

7.1. Git repository

-

Created: 2025-04-05 Sat 17:47

+

Created: 2025-04-07 Mon 02:16

Validate

diff --git a/index.org b/index.org index 45c3abf..5aefeea 100644 --- a/index.org +++ b/index.org @@ -117,14 +117,14 @@ Here you can find: :END: + Cable organizer {{{imglnk( - misc/cable%20organizer/index.html, - misc/cable%20organizer/make.png + Miscellaneous/cable%20organizer/index.html, + Miscellaneous/cable%20organizer/make.png )}}} + Hook {{{imglnk( - misc/hook/index.html, - misc/hook/make.png + Miscellaneous/hook/index.html, + Miscellaneous/hook/make.png )}}} + USB cable terminals @@ -175,64 +175,64 @@ Here you can find: :END: + 12V Lead-Acid battery charger and terminal {{{imglnk( - misc/12V%20Lead-Acid%20battery%20changer%20and%20terminal/index.html, - misc/12V%20Lead-Acid%20battery%20changer%20and%20terminal/make.png + Miscellaneous/12V%20Lead-Acid%20battery%20changer%20and%20terminal/index.html, + Miscellaneous/12V%20Lead-Acid%20battery%20changer%20and%20terminal/make.png )}}} + Baofeng radio battery charger modification {{{imglnk( - misc/Baofeng%20radio%20battery%20charger%20case%20mod/index.html, - misc/Baofeng%20radio%20battery%20charger%20case%20mod/make.png + Miscellaneous/Baofeng%20radio%20battery%20charger%20case%20mod/index.html, + Miscellaneous/Baofeng%20radio%20battery%20charger%20case%20mod/make.png )}}} + adjustable resistor / indicator {{{imglnk( - misc/adjustable%20resistor/index.html, - misc/adjustable%20resistor/make.png + Miscellaneous/adjustable%20resistor/index.html, + Miscellaneous/adjustable%20resistor/make.png )}}} + battery tester {{{imglnk( - misc/battery%20tester/index.html, - misc/battery%20tester/make.png - )}}} - -+ Lab heater and cooler - {{{imglnk( - misc/lab%20heater%20and%20cooler/index.html, - misc/lab%20heater%20and%20cooler/make.png + Miscellaneous/battery%20tester/index.html, + Miscellaneous/battery%20tester/make.png )}}} + USB Fan modification {{{imglnk( - misc/USB%20desk%20fan%20mod/index.html, - misc/USB%20desk%20fan%20mod/make.png + Miscellaneous/USB%20desk%20fan%20mod/index.html, + Miscellaneous/USB%20desk%20fan%20mod/make.png )}}} + Window fixator {{{imglnk( - misc/window%20fixator/index.html, - misc/window%20fixator/make.png + Miscellaneous/window%20fixator/index.html, + Miscellaneous/window%20fixator/make.png )}}} + Rounded pincers {{{imglnk( - misc/round%20pincers/index.html, - misc/round%20pincers/make.png + Miscellaneous/round%20pincers/index.html, + Miscellaneous/round%20pincers/make.png )}}} ++ Heating/Cooling Plate with Triple Peltier Elements + {{{imglnk( + Miscellaneous/Lab%20heater%20and%20cooler/index.html, + Miscellaneous/Lab%20heater%20and%20cooler/make.png + )}}} + ** Audio + Portable stereo speaker {{{imglnk( - misc/portable%20stereo%20active%20speaker/index.html, - misc/portable%20stereo%20active%20speaker/make.png + Miscellaneous/portable%20stereo%20active%20speaker/index.html, + Miscellaneous/portable%20stereo%20active%20speaker/make.png )}}} + Headphone hub {{{imglnk( - misc/headphone%20hub/index.html, - misc/headphone%20hub/make.png + Miscellaneous/headphone%20hub/index.html, + Miscellaneous/headphone%20hub/make.png )}}} * Optics diff --git a/misc/12V Lead-Acid battery changer and terminal/KiCad project/DC2DC step down.sch b/misc/12V Lead-Acid battery changer and terminal/KiCad project/DC2DC step down.sch deleted file mode 100644 index 1cc76d8..0000000 --- a/misc/12V Lead-Acid battery changer and terminal/KiCad project/DC2DC step down.sch +++ /dev/null @@ -1,22 +0,0 @@ -EESchema Schematic File Version 4 -EELAYER 30 0 -EELAYER END -$Descr A4 11693 8268 -encoding utf-8 -Sheet 6 6 -Title "" -Date "" -Rev "" -Comp "" -Comment1 "" -Comment2 "" -Comment3 "" -Comment4 "" -$EndDescr -Text HLabel 3900 3350 0 50 Input ~ 0 -V_in -Text HLabel 4450 3350 2 50 Input ~ 0 -V_out -Text HLabel 4150 3650 0 50 BiDi ~ 0 -GND -$EndSCHEMATC diff --git a/misc/12V Lead-Acid battery changer and terminal/KiCad project/DC2DC step down.sch-bak b/misc/12V Lead-Acid battery changer and terminal/KiCad project/DC2DC step down.sch-bak deleted file mode 100644 index 1cc76d8..0000000 --- a/misc/12V Lead-Acid battery changer and terminal/KiCad project/DC2DC step down.sch-bak +++ /dev/null @@ -1,22 +0,0 @@ -EESchema Schematic File Version 4 -EELAYER 30 0 -EELAYER END -$Descr A4 11693 8268 -encoding utf-8 -Sheet 6 6 -Title "" -Date "" -Rev "" -Comp "" -Comment1 "" -Comment2 "" -Comment3 "" -Comment4 "" -$EndDescr -Text HLabel 3900 3350 0 50 Input ~ 0 -V_in -Text HLabel 4450 3350 2 50 Input ~ 0 -V_out -Text HLabel 4150 3650 0 50 BiDi ~ 0 -GND -$EndSCHEMATC diff --git a/misc/12V Lead-Acid battery changer and terminal/KiCad project/KiCad project-cache.lib b/misc/12V Lead-Acid battery changer and terminal/KiCad project/KiCad project-cache.lib deleted file mode 100644 index 2d2f080..0000000 --- a/misc/12V Lead-Acid battery changer and terminal/KiCad project/KiCad project-cache.lib +++ /dev/null @@ -1,237 +0,0 @@ -EESchema-LIBRARY Version 2.4 -#encoding utf-8 -# -# Connector_Conn_WallPlug -# -DEF Connector_Conn_WallPlug P 0 0 Y Y 1 F N -F0 "P" -50 175 50 H V C BNN -F1 "Connector_Conn_WallPlug" -225 0 50 V V C BNN -F2 "" 400 0 50 H I C CNN -F3 "" 400 0 50 H I C CNN -DRAW -A -125 0 150 -899 899 0 1 10 f -125 -150 -125 150 -P 2 0 1 20 -175 -100 -25 -100 N -P 2 0 1 20 -175 100 -25 100 N -P 2 0 1 10 -125 -150 -125 150 N -P 2 0 1 0 -25 -100 100 -100 N -P 2 0 1 0 -25 100 100 100 N -X AC_P 1 200 100 200 L 50 50 1 1 w -X AC_N 2 200 -100 200 L 50 50 1 1 w -ENDDRAW -ENDDEF -# -# Connector_USB_A -# -DEF Connector_USB_A J 0 40 Y Y 1 F N -F0 "J" -200 450 50 H V L CNN -F1 "Connector_USB_A" -200 350 50 H V L CNN -F2 "" 150 -50 50 H I C CNN -F3 "" 150 -50 50 H I C CNN -$FPLIST - USB* -$ENDFPLIST -DRAW -C -150 85 25 0 1 10 F -C -25 135 15 0 1 10 F -S -200 -300 200 300 0 1 10 f -S -60 190 -170 210 0 1 0 F -S -50 180 -180 230 0 1 0 N -S -5 -300 5 -270 0 1 0 N -S 10 50 -20 20 0 1 10 F -S 200 -105 170 -95 0 1 0 N -S 200 -5 170 5 0 1 0 N -S 200 195 170 205 0 1 0 N -P 4 0 1 10 -125 85 -100 85 -50 135 -25 135 N -P 4 0 1 10 -100 85 -75 85 -50 35 0 35 N -P 4 0 1 10 25 110 25 60 75 85 25 110 F -P 2 1 1 10 -75 85 25 85 N -X VBUS 1 300 200 100 L 50 50 1 1 W -X D- 2 300 -100 100 L 50 50 1 1 P -X D+ 3 300 0 100 L 50 50 1 1 P -X GND 4 0 -400 100 U 50 50 1 1 W -X Shield 5 -100 -400 100 U 50 50 1 1 P -ENDDRAW -ENDDEF -# -# Device_C -# -DEF Device_C C 0 10 N Y 1 F N -F0 "C" 25 100 50 H V L CNN -F1 "Device_C" 25 -100 50 H V L CNN -F2 "" 38 -150 50 H I C CNN -F3 "" 0 0 50 H I C CNN -$FPLIST - C_* -$ENDFPLIST -DRAW -P 2 0 1 20 -80 -30 80 -30 N -P 2 0 1 20 -80 30 80 30 N -X ~ 1 0 150 110 D 50 50 1 1 P -X ~ 2 0 -150 110 U 50 50 1 1 P -ENDDRAW -ENDDEF -# -# Device_D_Bridge_+-AA -# -DEF Device_D_Bridge_+-AA D 0 0 Y Y 1 F N -F0 "D" 100 275 50 H V L CNN -F1 "Device_D_Bridge_+-AA" 100 200 50 H V L CNN -F2 "" 0 0 50 H I C CNN -F3 "" 0 0 50 H I C CNN -$FPLIST - D*Bridge* - D*Rectifier* -$ENDFPLIST -DRAW -C -200 0 10 0 1 0 F -C 0 -200 10 0 1 0 F -C 0 200 10 0 1 0 F -C 200 0 10 0 1 0 F -P 2 0 1 10 -100 150 -50 100 N -P 2 0 1 10 -50 -100 -100 -150 N -P 2 0 1 10 100 -50 150 -100 N -P 2 0 1 10 100 50 150 100 N -P 4 0 1 10 -150 100 -100 50 -75 125 -150 100 N -P 4 0 1 10 -100 -50 -150 -100 -75 -125 -100 -50 N -P 4 0 1 10 50 100 100 150 125 75 50 100 N -P 4 0 1 10 125 -75 50 -100 100 -150 125 -75 N -P 5 0 1 0 -200 0 0 -200 200 0 0 200 -200 0 N -X + 1 300 0 100 L 50 50 1 1 P -X - 2 -300 0 100 R 50 50 1 1 P -X ~~ 3 0 300 100 D 50 50 1 1 P -X ~~ 4 0 -300 100 U 50 50 1 1 P -ENDDRAW -ENDDEF -# -# Device_R -# -DEF Device_R R 0 0 N Y 1 F N -F0 "R" 80 0 50 V V C CNN -F1 "Device_R" 0 0 50 V V C CNN -F2 "" -70 0 50 V I C CNN -F3 "" 0 0 50 H I C CNN -$FPLIST - R_* -$ENDFPLIST -DRAW -S -40 -100 40 100 0 1 10 N -X ~ 1 0 150 50 D 50 50 1 1 P -X ~ 2 0 -150 50 U 50 50 1 1 P -ENDDRAW -ENDDEF -# -# Device_Transformer_1P_1S -# -DEF Device_Transformer_1P_1S T 0 40 Y N 1 F N -F0 "T" 0 250 50 H V C CNN -F1 "Device_Transformer_1P_1S" 0 -300 50 H V C CNN -F2 "" 0 0 50 H I C CNN -F3 "" 0 0 50 H I C CNN -DRAW -A -100 -150 50 899 1 0 1 0 N -100 -100 -50 -150 -A -100 -150 50 -1 -899 0 1 0 N -50 -150 -100 -199 -A -100 -50 50 899 1 0 1 0 N -100 0 -50 -50 -A -100 -50 50 -1 -899 0 1 0 N -50 -50 -100 -99 -A -100 50 50 899 1 0 1 0 N -100 100 -50 50 -A -100 50 50 -1 -899 0 1 0 N -50 50 -100 1 -A -100 150 50 899 1 0 1 0 N -100 200 -50 150 -A -100 150 50 -1 -899 0 1 0 N -50 150 -100 101 -A 100 -50 50 899 -1799 0 1 0 N 100 0 51 -50 -A 100 -50 50 1799 -899 0 1 0 N 51 -50 100 -99 -A 100 50 50 899 -1799 0 1 0 N 100 100 51 50 -A 100 50 50 1799 -899 0 1 0 N 51 50 100 1 -A 100 150 50 899 -1799 0 1 0 N 100 200 51 150 -A 100 150 50 1799 -899 0 1 0 N 51 150 100 101 -A 101 -150 50 910 -1799 0 1 0 N 101 -100 52 -150 -A 101 -150 50 -912 -1799 0 1 0 N 101 -199 52 -150 -P 2 0 1 0 -25 200 -25 -200 N -P 2 0 1 0 25 -200 25 200 N -X AA 1 -400 200 300 R 50 50 1 1 P -X AB 2 -400 -200 300 R 50 50 1 1 P -X SA 3 400 -200 300 L 50 50 1 1 P -X SB 4 400 200 300 L 50 50 1 1 P -ENDDRAW -ENDDEF -# -# Device_Voltmeter_DC -# -DEF Device_Voltmeter_DC MES 0 1 N N 1 F N -F0 "MES" -130 40 50 H V R CNN -F1 "Device_Voltmeter_DC" -130 -30 50 H V R CNN -F2 "" 0 100 50 V I C CNN -F3 "" 0 100 50 V I C CNN -DRAW -C 0 0 100 0 1 10 N -T 0 0 0 100 0 0 0 V Normal 0 C C -P 2 0 0 0 -125 -125 -75 -75 N -P 2 0 0 0 75 75 125 125 N -P 3 0 0 0 75 125 125 125 125 75 N -P 2 0 1 0 10 150 30 150 N -P 2 0 1 0 20 160 20 140 N -X - 1 0 -200 100 U 50 50 1 1 P -X + 2 0 200 100 D 50 50 1 1 P -ENDDRAW -ENDDEF -# -# Regulator_Linear_LM317_3PinPackage -# -DEF Regulator_Linear_LM317_3PinPackage U 0 10 Y Y 1 F N -F0 "U" -150 125 50 H V C CNN -F1 "Regulator_Linear_LM317_3PinPackage" 0 125 50 H V L CNN -F2 "" 0 250 50 H I C CIN -F3 "" 0 0 50 H I C CNN -ALIAS AZ1117-ADJ -$FPLIST - SOT?223* - SOT?89* - TO?220* - TO?252* - TO?263* -$ENDFPLIST -DRAW -S -200 75 200 -200 0 1 10 f -X ADJ 1 0 -300 100 U 50 50 1 1 I -X VO 2 300 0 100 L 50 50 1 1 w -X VI 3 -300 0 100 R 50 50 1 1 W -ENDDRAW -ENDDEF -# -# Switch_SW_DPST -# -DEF Switch_SW_DPST SW 0 0 Y N 1 F N -F0 "SW" 0 200 50 H V C CNN -F1 "Switch_SW_DPST" 0 -200 50 H V C CNN -F2 "" 0 0 50 H I C CNN -F3 "" 0 0 50 H I C CNN -DRAW -C -80 -100 20 0 0 0 N -C -80 100 20 0 0 0 N -C 80 -100 20 0 0 0 N -C 80 100 20 0 0 0 N -P 2 0 0 0 -60 -90 50 -40 N -P 2 0 0 0 -60 110 50 160 N -P 2 0 0 0 0 -50 0 -25 N -P 2 0 0 0 0 0 0 25 N -P 2 0 0 0 0 50 0 75 N -P 2 0 0 0 0 100 0 125 N -X 1 1 -200 -100 100 R 50 50 1 1 P -X 2 2 200 -100 100 L 50 50 1 1 P -X 3 3 -200 100 100 R 50 50 1 1 P -X 4 4 200 100 100 L 50 50 1 1 P -ENDDRAW -ENDDEF -# -# power_GND -# -DEF power_GND #PWR 0 0 Y Y 1 F P -F0 "#PWR" 0 -250 50 H I C CNN -F1 "power_GND" 0 -150 50 H V C CNN -F2 "" 0 0 50 H I C CNN -F3 "" 0 0 50 H I C CNN -DRAW -P 6 0 1 0 0 0 0 -50 50 -50 0 -100 -50 -50 0 -50 N -X GND 1 0 0 0 D 50 50 1 1 W N -ENDDRAW -ENDDEF -# -#End Library diff --git a/misc/12V Lead-Acid battery changer and terminal/KiCad project/KiCad project.kicad_pcb b/misc/12V Lead-Acid battery changer and terminal/KiCad project/KiCad project.kicad_pcb deleted file mode 100644 index 02c8ecb..0000000 --- a/misc/12V Lead-Acid battery changer and terminal/KiCad project/KiCad project.kicad_pcb +++ /dev/null @@ -1 +0,0 @@ -(kicad_pcb (version 4) (host kicad "dummy file") ) diff --git a/misc/12V Lead-Acid battery changer and terminal/KiCad project/KiCad project.pro b/misc/12V Lead-Acid battery changer and terminal/KiCad project/KiCad project.pro deleted file mode 100644 index 152769c..0000000 --- a/misc/12V Lead-Acid battery changer and terminal/KiCad project/KiCad project.pro +++ /dev/null @@ -1,33 +0,0 @@ -update=22/05/2015 07:44:53 -version=1 -last_client=kicad -[general] -version=1 -RootSch= -BoardNm= -[pcbnew] -version=1 -LastNetListRead= -UseCmpFile=1 -PadDrill=0.600000000000 -PadDrillOvalY=0.600000000000 -PadSizeH=1.500000000000 -PadSizeV=1.500000000000 -PcbTextSizeV=1.500000000000 -PcbTextSizeH=1.500000000000 -PcbTextThickness=0.300000000000 -ModuleTextSizeV=1.000000000000 -ModuleTextSizeH=1.000000000000 -ModuleTextSizeThickness=0.150000000000 -SolderMaskClearance=0.000000000000 -SolderMaskMinWidth=0.000000000000 -DrawSegmentWidth=0.200000000000 -BoardOutlineThickness=0.100000000000 -ModuleOutlineThickness=0.150000000000 -[cvpcb] -version=1 -NetIExt=net -[eeschema] -version=1 -LibDir= -[eeschema/libraries] diff --git a/misc/12V Lead-Acid battery changer and terminal/KiCad project/KiCad project.sch b/misc/12V Lead-Acid battery changer and terminal/KiCad project/KiCad project.sch deleted file mode 100644 index dbfe687..0000000 --- a/misc/12V Lead-Acid battery changer and terminal/KiCad project/KiCad project.sch +++ /dev/null @@ -1,278 +0,0 @@ -EESchema Schematic File Version 4 -EELAYER 30 0 -EELAYER END -$Descr A4 11693 8268 -encoding utf-8 -Sheet 1 6 -Title "" -Date "" -Rev "" -Comp "" -Comment1 "" -Comment2 "" -Comment3 "" -Comment4 "" -$EndDescr -$Sheet -S 4300 2600 1050 900 -U 5F09F92C -F0 "transformer board" 50 -F1 "transformer board.sch" 50 -F2 "220V_in1" I L 4300 2800 50 -F3 "220V_in2" I L 4300 3000 50 -F4 "pwr_switch_1" B R 5350 2800 50 -F5 "pwr_switch_2" B R 5350 3000 50 -F6 "+30V" O R 5350 3200 50 -F7 "GND" O R 5350 3400 50 -$EndSheet -$Comp -L Connector:Conn_WallPlug P1 -U 1 1 5F0B857F -P 3800 2900 -F 0 "P1" H 3817 3225 50 0000 C CNN -F 1 "Conn_WallPlug" H 3817 3134 50 0000 C CNN -F 2 "" H 4200 2900 50 0001 C CNN -F 3 "~" H 4200 2900 50 0001 C CNN - 1 3800 2900 - 1 0 0 -1 -$EndComp -$Comp -L power:GND #PWR01 -U 1 1 5F0B8AF8 -P 5450 3500 -F 0 "#PWR01" H 5450 3250 50 0001 C CNN -F 1 "GND" H 5455 3327 50 0000 C CNN -F 2 "" H 5450 3500 50 0001 C CNN -F 3 "" H 5450 3500 50 0001 C CNN - 1 5450 3500 - 1 0 0 -1 -$EndComp -Wire Wire Line - 5450 3500 5450 3400 -Wire Wire Line - 5450 3400 5350 3400 -Wire Wire Line - 4000 2800 4300 2800 -Wire Wire Line - 4000 3000 4300 3000 -$Comp -L Switch:SW_DPST SW1 -U 1 1 5F0BC431 -P 6200 2200 -F 0 "SW1" H 6200 2525 50 0000 C CNN -F 1 "SW_DPST" H 6200 2434 50 0000 C CNN -F 2 "" H 6200 2200 50 0001 C CNN -F 3 "~" H 6200 2200 50 0001 C CNN - 1 6200 2200 - 1 0 0 -1 -$EndComp -$Sheet -S 7200 3050 600 300 -U 5F0BCD3F -F0 "current limiter" 50 -F1 "current limiter.sch" 50 -F2 "V_in" I L 7200 3200 50 -F3 "V_out" O R 7800 3200 50 -$EndSheet -$Sheet -S 5900 3100 600 350 -U 5F0C4B8D -F0 "DC2DC step down" 50 -F1 "DC2DC step down.sch" 50 -F2 "V_in" I L 5900 3200 50 -F3 "V_out" I R 6500 3200 50 -F4 "GND" B L 5900 3350 50 -$EndSheet -Wire Wire Line - 6500 3200 7200 3200 -Wire Wire Line - 7800 3200 8300 3200 -Wire Wire Line - 8300 3200 8300 3300 -Wire Wire Line - 8300 3700 7000 3700 -Wire Wire Line - 7000 3700 7000 4150 -Wire Wire Line - 7000 4150 7200 4150 -$Sheet -S 8950 3050 1400 800 -U 5F0CC4B7 -F0 "connector terminal" 50 -F1 "connector terminal.sch" 50 -F2 "5V" I L 8950 3150 50 -F3 "13V" I L 8950 3300 50 -F4 "GND" I L 8950 3450 50 -F5 "Battery" B L 8950 3600 50 -$EndSheet -Wire Wire Line - 7800 4150 8650 4150 -Wire Wire Line - 8650 4150 8650 3150 -Wire Wire Line - 8650 3150 8950 3150 -Wire Wire Line - 8950 3300 8300 3300 -Connection ~ 8300 3300 -Wire Wire Line - 8300 3300 8300 3700 -$Comp -L power:GND #PWR019 -U 1 1 5F170709 -P 8800 3700 -F 0 "#PWR019" H 8800 3450 50 0001 C CNN -F 1 "GND" H 8805 3527 50 0000 C CNN -F 2 "" H 8800 3700 50 0001 C CNN -F 3 "" H 8800 3700 50 0001 C CNN - 1 8800 3700 - 1 0 0 -1 -$EndComp -Wire Wire Line - 8500 3600 8950 3600 -Wire Wire Line - 8800 3700 8800 3450 -Wire Wire Line - 8800 3450 8950 3450 -Wire Wire Line - 6000 2100 5850 2100 -Wire Wire Line - 5850 2100 5850 1750 -Connection ~ 8300 3200 -$Comp -L Device:Voltmeter_DC MES1 -U 1 1 5F175320 -P 8300 4600 -F 0 "MES1" H 8453 4646 50 0000 L CNN -F 1 "Voltmeter_DC" H 8453 4555 50 0000 L CNN -F 2 "" V 8300 4700 50 0001 C CNN -F 3 "~" V 8300 4700 50 0001 C CNN - 1 8300 4600 - 1 0 0 -1 -$EndComp -$Comp -L Device:Voltmeter_DC MES2 -U 1 1 5F1764EC -P 9200 4650 -F 0 "MES2" H 9353 4696 50 0000 L CNN -F 1 "Voltmeter_DC" H 9353 4605 50 0000 L CNN -F 2 "" V 9200 4750 50 0001 C CNN -F 3 "~" V 9200 4750 50 0001 C CNN - 1 9200 4650 - 1 0 0 -1 -$EndComp -Wire Wire Line - 8300 5000 8300 4800 -Wire Wire Line - 8300 4400 8300 3700 -Connection ~ 8300 3700 -Wire Wire Line - 8650 4150 9200 4150 -Wire Wire Line - 9200 4150 9200 4450 -Connection ~ 8650 4150 -$Sheet -S 7200 4050 600 350 -U 5F182C5C -F0 "sheet5F182C5C" 50 -F1 "DC2DC step down.sch" 50 -F2 "V_in" I L 7200 4150 50 -F3 "V_out" I R 7800 4150 50 -F4 "GND" B L 7200 4300 50 -$EndSheet -$Comp -L power:GND #PWR022 -U 1 1 5F1843C4 -P 7050 4400 -F 0 "#PWR022" H 7050 4150 50 0001 C CNN -F 1 "GND" H 7055 4227 50 0000 C CNN -F 2 "" H 7050 4400 50 0001 C CNN -F 3 "" H 7050 4400 50 0001 C CNN - 1 7050 4400 - 1 0 0 -1 -$EndComp -Wire Wire Line - 7050 4400 7050 4300 -Wire Wire Line - 7050 4300 7200 4300 -$Comp -L power:GND #PWR021 -U 1 1 5F184BC7 -P 5750 3450 -F 0 "#PWR021" H 5750 3200 50 0001 C CNN -F 1 "GND" H 5755 3277 50 0000 C CNN -F 2 "" H 5750 3450 50 0001 C CNN -F 3 "" H 5750 3450 50 0001 C CNN - 1 5750 3450 - 1 0 0 -1 -$EndComp -Wire Wire Line - 5750 3450 5750 3350 -Wire Wire Line - 5750 3350 5900 3350 -Text Label 7100 3200 0 50 ~ 0 -5 -Text Label 7850 3200 0 50 ~ 0 -6 -Text Label 5400 3400 0 50 ~ 0 -1 -Text Label 5400 3200 0 50 ~ 0 -2 -Text Label 5900 2100 0 50 ~ 0 -3 -Text Label 6500 2100 0 50 ~ 0 -4 -Text Label 8850 3600 0 50 ~ 0 -7 -Text Label 8850 3300 0 50 ~ 0 -8 -Text Label 8850 3450 0 50 ~ 0 -9 -Text Label 8850 3150 0 50 ~ 0 -10 -Text Label 9200 4300 0 50 ~ 0 -11 -Text Label 8300 4250 0 50 ~ 0 -12 -Wire Wire Line - 8300 5000 8800 5000 -Wire Wire Line - 9200 5000 9200 4850 -$Comp -L power:GND #PWR? -U 1 1 5F1901DC -P 8800 5200 -F 0 "#PWR?" H 8800 4950 50 0001 C CNN -F 1 "GND" H 8805 5027 50 0000 C CNN -F 2 "" H 8800 5200 50 0001 C CNN -F 3 "" H 8800 5200 50 0001 C CNN - 1 8800 5200 - 1 0 0 -1 -$EndComp -Wire Wire Line - 8800 5200 8800 5000 -Connection ~ 8800 5000 -Wire Wire Line - 8800 5000 9200 5000 -Text Label 8800 5150 0 50 ~ 0 -13 -Wire Wire Line - 5350 3200 5900 3200 -Wire Wire Line - 5900 2800 5900 2300 -Wire Wire Line - 5900 2300 6000 2300 -Wire Wire Line - 5350 2800 5900 2800 -Wire Wire Line - 6400 3000 6400 2300 -Wire Wire Line - 5350 3000 6400 3000 -Wire Wire Line - 6400 2100 8500 2100 -Wire Wire Line - 8500 2100 8500 3600 -Wire Wire Line - 5850 1750 8300 1750 -Wire Wire Line - 8300 1750 8300 3200 -$EndSCHEMATC diff --git a/misc/12V Lead-Acid battery changer and terminal/KiCad project/KiCad project.sch-bak b/misc/12V Lead-Acid battery changer and terminal/KiCad project/KiCad project.sch-bak deleted file mode 100644 index ff59789..0000000 --- a/misc/12V Lead-Acid battery changer and terminal/KiCad project/KiCad project.sch-bak +++ /dev/null @@ -1,276 +0,0 @@ -EESchema Schematic File Version 4 -EELAYER 30 0 -EELAYER END -$Descr A4 11693 8268 -encoding utf-8 -Sheet 1 6 -Title "" -Date "" -Rev "" -Comp "" -Comment1 "" -Comment2 "" -Comment3 "" -Comment4 "" -$EndDescr -$Sheet -S 3850 2600 1050 900 -U 5F09F92C -F0 "transformer board" 50 -F1 "transformer board.sch" 50 -F2 "220V_in1" I L 3850 2800 50 -F3 "220V_in2" I L 3850 3000 50 -F4 "pwr_switch_1" B R 4900 2800 50 -F5 "pwr_switch_2" B R 4900 3000 50 -F6 "+30V" O R 4900 3200 50 -F7 "GND" O R 4900 3400 50 -$EndSheet -$Comp -L Connector:Conn_WallPlug P1 -U 1 1 5F0B857F -P 3350 2900 -F 0 "P1" H 3367 3225 50 0000 C CNN -F 1 "Conn_WallPlug" H 3367 3134 50 0000 C CNN -F 2 "" H 3750 2900 50 0001 C CNN -F 3 "~" H 3750 2900 50 0001 C CNN - 1 3350 2900 - 1 0 0 -1 -$EndComp -$Comp -L power:GND #PWR01 -U 1 1 5F0B8AF8 -P 5000 3500 -F 0 "#PWR01" H 5000 3250 50 0001 C CNN -F 1 "GND" H 5005 3327 50 0000 C CNN -F 2 "" H 5000 3500 50 0001 C CNN -F 3 "" H 5000 3500 50 0001 C CNN - 1 5000 3500 - 1 0 0 -1 -$EndComp -Wire Wire Line - 5000 3500 5000 3400 -Wire Wire Line - 5000 3400 4900 3400 -Wire Wire Line - 3550 2800 3850 2800 -Wire Wire Line - 3550 3000 3850 3000 -$Comp -L Switch:SW_DPST SW1 -U 1 1 5F0BC431 -P 5300 2100 -F 0 "SW1" H 5300 2425 50 0000 C CNN -F 1 "SW_DPST" H 5300 2334 50 0000 C CNN -F 2 "" H 5300 2100 50 0001 C CNN -F 3 "~" H 5300 2100 50 0001 C CNN - 1 5300 2100 - 1 0 0 -1 -$EndComp -Wire Wire Line - 4900 2800 5100 2800 -Wire Wire Line - 5100 2800 5100 2200 -Wire Wire Line - 4900 3000 5500 3000 -Wire Wire Line - 5500 3000 5500 2200 -$Sheet -S 7200 3050 600 300 -U 5F0BCD3F -F0 "current limiter" 50 -F1 "current limiter.sch" 50 -F2 "V_in" I L 7200 3200 50 -F3 "V_out" O R 7800 3200 50 -$EndSheet -$Sheet -S 5900 3100 600 350 -U 5F0C4B8D -F0 "DC2DC step down" 50 -F1 "DC2DC step down.sch" 50 -F2 "V_in" I L 5900 3200 50 -F3 "V_out" I R 6500 3200 50 -F4 "GND" B L 5900 3350 50 -$EndSheet -Wire Wire Line - 4900 3200 5900 3200 -Wire Wire Line - 6500 3200 7200 3200 -Wire Wire Line - 7800 3200 8300 3200 -Wire Wire Line - 8300 3200 8300 3300 -Wire Wire Line - 8300 3700 7000 3700 -Wire Wire Line - 7000 3700 7000 4150 -Wire Wire Line - 7000 4150 7200 4150 -$Sheet -S 8950 3050 1400 800 -U 5F0CC4B7 -F0 "connector terminal" 50 -F1 "connector terminal.sch" 50 -F2 "5V" I L 8950 3150 50 -F3 "13V" I L 8950 3300 50 -F4 "GND" I L 8950 3450 50 -F5 "Battery" B L 8950 3600 50 -$EndSheet -Wire Wire Line - 7800 4150 8650 4150 -Wire Wire Line - 8650 4150 8650 3150 -Wire Wire Line - 8650 3150 8950 3150 -Wire Wire Line - 8950 3300 8300 3300 -Connection ~ 8300 3300 -Wire Wire Line - 8300 3300 8300 3700 -$Comp -L power:GND #PWR019 -U 1 1 5F170709 -P 8800 3700 -F 0 "#PWR019" H 8800 3450 50 0001 C CNN -F 1 "GND" H 8805 3527 50 0000 C CNN -F 2 "" H 8800 3700 50 0001 C CNN -F 3 "" H 8800 3700 50 0001 C CNN - 1 8800 3700 - 1 0 0 -1 -$EndComp -Wire Wire Line - 5500 2000 8500 2000 -Wire Wire Line - 8500 2000 8500 3600 -Wire Wire Line - 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1 7050 4400 - 1 0 0 -1 -$EndComp -Wire Wire Line - 7050 4400 7050 4300 -Wire Wire Line - 7050 4300 7200 4300 -$Comp -L power:GND #PWR021 -U 1 1 5F184BC7 -P 5750 3450 -F 0 "#PWR021" H 5750 3200 50 0001 C CNN -F 1 "GND" H 5755 3277 50 0000 C CNN -F 2 "" H 5750 3450 50 0001 C CNN -F 3 "" H 5750 3450 50 0001 C CNN - 1 5750 3450 - 1 0 0 -1 -$EndComp -Wire Wire Line - 5750 3450 5750 3350 -Wire Wire Line - 5750 3350 5900 3350 -Text Label 7100 3200 0 50 ~ 0 -5 -Text Label 7850 3200 0 50 ~ 0 -6 -Text Label 4950 3400 0 50 ~ 0 -1 -Text Label 4950 3200 0 50 ~ 0 -2 -Text Label 5000 2000 0 50 ~ 0 -3 -Text Label 5600 2000 0 50 ~ 0 -4 -Text Label 8850 3600 0 50 ~ 0 -7 -Text Label 8850 3300 0 50 ~ 0 -8 -Text Label 8850 3450 0 50 ~ 0 -9 -Text Label 8850 3150 0 50 ~ 0 -10 -Text Label 9200 4300 0 50 ~ 0 -11 -Text Label 8300 4250 0 50 ~ 0 -12 -Wire Wire Line - 8300 5000 8800 5000 -Wire Wire Line - 9200 5000 9200 4850 -$Comp -L power:GND #PWR? -U 1 1 5F1901DC -P 8800 5200 -F 0 "#PWR?" H 8800 4950 50 0001 C CNN -F 1 "GND" H 8805 5027 50 0000 C CNN -F 2 "" H 8800 5200 50 0001 C CNN -F 3 "" H 8800 5200 50 0001 C CNN - 1 8800 5200 - 1 0 0 -1 -$EndComp -Wire Wire Line - 8800 5200 8800 5000 -Connection ~ 8800 5000 -Wire Wire Line - 8800 5000 9200 5000 -Text Label 8800 5150 0 50 ~ 0 -13 -$EndSCHEMATC diff --git a/misc/12V Lead-Acid battery changer and terminal/KiCad project/connector terminal.sch b/misc/12V Lead-Acid battery changer and terminal/KiCad project/connector terminal.sch deleted file mode 100644 index 2e268c0..0000000 --- a/misc/12V Lead-Acid battery changer and terminal/KiCad project/connector terminal.sch +++ /dev/null @@ -1,614 +0,0 @@ -EESchema Schematic File Version 4 -EELAYER 30 0 -EELAYER END -$Descr A4 11693 8268 -encoding utf-8 -Sheet 6 6 -Title "" -Date "" -Rev "" -Comp "" -Comment1 "" -Comment2 "" -Comment3 "" -Comment4 "" -$EndDescr -$Comp -L Connector:USB_A J1 -U 1 1 5F0CC9AF -P 2750 1650 -F 0 "J1" H 2807 2117 50 0000 C CNN -F 1 "USB_A" H 2807 2026 50 0000 C CNN -F 2 "" H 2900 1600 50 0001 C CNN -F 3 " ~" H 2900 1600 50 0001 C CNN - 1 2750 1650 - 1 0 0 -1 -$EndComp -Wire Wire Line - 3050 1650 3050 1750 -$Comp -L Connector:USB_A J4 -U 1 1 5F0CE176 -P 3550 1650 -F 0 "J4" H 3607 2117 50 0000 C CNN -F 1 "USB_A" H 3607 2026 50 0000 C CNN -F 2 "" H 3700 1600 50 0001 C CNN -F 3 " ~" H 3700 1600 50 0001 C CNN - 1 3550 1650 - 1 0 0 -1 -$EndComp -Wire Wire Line - 3850 1650 3850 1750 -Wire Wire Line - 3050 1450 3150 1450 -Wire Wire Line - 3150 1450 3150 950 -Wire Wire Line - 3150 950 3950 950 -Wire Wire Line - 3950 950 3950 1450 -Wire Wire Line - 3950 1450 3850 1450 -$Comp -L power:GND #PWR03 -U 1 1 5F0CF308 -P 2750 2100 -F 0 "#PWR03" H 2750 1850 50 0001 C CNN -F 1 "GND" H 2755 1927 50 0000 C CNN -F 2 "" H 2750 2100 50 0001 C CNN -F 3 "" H 2750 2100 50 0001 C CNN - 1 2750 2100 - 1 0 0 -1 -$EndComp -$Comp -L power:GND #PWR06 -U 1 1 5F0CF8C4 -P 3550 2100 -F 0 "#PWR06" H 3550 1850 50 0001 C CNN -F 1 "GND" H 3555 1927 50 0000 C CNN -F 2 "" H 3550 2100 50 0001 C CNN -F 3 "" H 3550 2100 50 0001 C CNN - 1 3550 2100 - 1 0 0 -1 -$EndComp -Wire Wire Line - 2750 2100 2750 2050 -Wire Wire Line - 3550 2100 3550 2050 -Text HLabel 1100 950 0 50 Input ~ 0 -5V -Wire Wire Line - 1100 950 2350 950 -Connection ~ 3150 950 -Text HLabel 1100 1100 0 50 Input ~ 0 -13V -Wire Wire Line - 1100 1100 2200 1100 -Wire Wire Line - 3300 1100 3300 1650 -Wire Wire Line - 3300 1650 3050 1650 -Connection ~ 3050 1650 -Wire Wire Line - 3300 1100 4100 1100 -Wire Wire Line - 4100 1100 4100 1650 -Wire Wire Line - 4100 1650 3850 1650 -Connection ~ 3300 1100 -Connection ~ 3850 1650 -Text HLabel 1100 1250 0 50 Input ~ 0 -GND -Text HLabel 1350 4400 0 50 BiDi ~ 0 -Battery -$Comp -L power:GND #PWR02 -U 1 1 5F0D429A -P 1200 1300 -F 0 "#PWR02" H 1200 1050 50 0001 C CNN -F 1 "GND" H 1205 1127 50 0000 C CNN -F 2 "" H 1200 1300 50 0001 C CNN -F 3 "" H 1200 1300 50 0001 C CNN - 1 1200 1300 - 1 0 0 -1 -$EndComp -Wire Wire Line - 1200 1300 1200 1250 -Wire Wire Line - 1200 1250 1100 1250 -$Comp -L Connector:USB_A J7 -U 1 1 5F0D4E49 -P 4350 1650 -F 0 "J7" H 4407 2117 50 0000 C CNN -F 1 "USB_A" H 4407 2026 50 0000 C CNN -F 2 "" H 4500 1600 50 0001 C CNN -F 3 " ~" H 4500 1600 50 0001 C CNN - 1 4350 1650 - 1 0 0 -1 -$EndComp -Wire Wire Line - 4650 1650 4650 1750 -Wire Wire Line - 3950 950 4750 950 -Wire Wire Line - 4750 950 4750 1450 -Wire Wire Line - 4750 1450 4650 1450 -$Comp -L power:GND #PWR09 -U 1 1 5F0D4E57 -P 4350 2100 -F 0 "#PWR09" H 4350 1850 50 0001 C CNN -F 1 "GND" H 4355 1927 50 0000 C CNN -F 2 "" H 4350 2100 50 0001 C CNN -F 3 "" H 4350 2100 50 0001 C CNN - 1 4350 2100 - 1 0 0 -1 -$EndComp -Wire Wire Line - 4350 2100 4350 2050 -Wire Wire Line - 4100 1100 4900 1100 -Wire Wire Line - 4900 1100 4900 1650 -Wire Wire Line - 4900 1650 4650 1650 -Connection ~ 4650 1650 -Connection ~ 3950 950 -Connection ~ 4100 1100 -Wire Wire Line - 2650 2400 3450 2400 -Wire Wire Line - 2650 2050 2650 2400 -Wire Wire Line - 3450 2050 3450 2400 -Wire Wire Line - 3450 2400 4250 2400 -Wire Wire Line - 4250 2400 4250 2050 -Connection ~ 3450 2400 -$Comp -L Device:C C2 -U 1 1 5F0D832F -P 4900 1950 -F 0 "C2" H 5015 1996 50 0000 L CNN -F 1 "C" H 5015 1905 50 0000 L CNN -F 2 "" H 4938 1800 50 0001 C CNN -F 3 "~" H 4900 1950 50 0001 C CNN - 1 4900 1950 - 1 0 0 -1 -$EndComp -Wire Wire Line - 4900 1800 4900 1650 -Connection ~ 4900 1650 -$Comp -L power:GND #PWR012 -U 1 1 5F0D8E3C -P 4900 2200 -F 0 "#PWR012" H 4900 1950 50 0001 C CNN -F 1 "GND" H 4905 2027 50 0000 C CNN -F 2 "" H 4900 2200 50 0001 C CNN -F 3 "" H 4900 2200 50 0001 C CNN - 1 4900 2200 - 1 0 0 -1 -$EndComp -Wire Wire Line - 4900 2200 4900 2100 -$Comp -L Device:C C5 -U 1 1 5F0D95F5 -P 5250 1600 -F 0 "C5" H 5365 1646 50 0000 L CNN -F 1 "C" H 5365 1555 50 0000 L CNN -F 2 "" H 5288 1450 50 0001 C CNN -F 3 "~" H 5250 1600 50 0001 C CNN - 1 5250 1600 - 1 0 0 -1 -$EndComp -Wire Wire Line - 5250 1450 4750 1450 -Connection ~ 4750 1450 -$Comp -L power:GND #PWR015 -U 1 1 5F0D9E27 -P 5250 1850 -F 0 "#PWR015" H 5250 1600 50 0001 C CNN -F 1 "GND" H 5255 1677 50 0000 C CNN -F 2 "" H 5250 1850 50 0001 C CNN -F 3 "" H 5250 1850 50 0001 C CNN - 1 5250 1850 - 1 0 0 -1 -$EndComp -Wire Wire Line - 5250 1850 5250 1750 -$Comp -L Connector:USB_A J2 -U 1 1 5F0DE4EE -P 2750 3250 -F 0 "J2" H 2807 3717 50 0000 C CNN -F 1 "USB_A" H 2807 3626 50 0000 C CNN -F 2 "" H 2900 3200 50 0001 C CNN -F 3 " ~" H 2900 3200 50 0001 C CNN - 1 2750 3250 - 1 0 0 -1 -$EndComp -Wire Wire Line - 3050 3250 3050 3350 -$Comp -L Connector:USB_A J5 -U 1 1 5F0DE4F9 -P 3550 3250 -F 0 "J5" H 3607 3717 50 0000 C CNN -F 1 "USB_A" H 3607 3626 50 0000 C CNN -F 2 "" H 3700 3200 50 0001 C CNN -F 3 " ~" H 3700 3200 50 0001 C CNN - 1 3550 3250 - 1 0 0 -1 -$EndComp -Wire Wire Line - 3850 3250 3850 3350 -Wire Wire Line - 3050 3050 3150 3050 -Wire Wire Line - 3150 3050 3150 2550 -Wire Wire Line - 3150 2550 3950 2550 -Wire Wire Line - 3950 2550 3950 3050 -Wire Wire Line - 3950 3050 3850 3050 -$Comp -L power:GND #PWR04 -U 1 1 5F0DE509 -P 2750 3700 -F 0 "#PWR04" H 2750 3450 50 0001 C CNN -F 1 "GND" H 2755 3527 50 0000 C CNN -F 2 "" H 2750 3700 50 0001 C CNN -F 3 "" H 2750 3700 50 0001 C CNN - 1 2750 3700 - 1 0 0 -1 -$EndComp -$Comp -L power:GND #PWR07 -U 1 1 5F0DE513 -P 3550 3700 -F 0 "#PWR07" H 3550 3450 50 0001 C CNN -F 1 "GND" H 3555 3527 50 0000 C CNN -F 2 "" H 3550 3700 50 0001 C CNN -F 3 "" H 3550 3700 50 0001 C CNN - 1 3550 3700 - 1 0 0 -1 -$EndComp -Wire Wire Line - 2750 3700 2750 3650 -Wire Wire Line - 3550 3700 3550 3650 -Wire Wire Line - 3300 2700 3300 3250 -Wire Wire Line - 3300 3250 3050 3250 -Connection ~ 3050 3250 -Wire Wire Line - 3300 2700 4100 2700 -Wire Wire Line - 4100 2700 4100 3250 -Wire Wire Line - 4100 3250 3850 3250 -Connection ~ 3850 3250 -$Comp -L Connector:USB_A J8 -U 1 1 5F0DE52A -P 4350 3250 -F 0 "J8" H 4407 3717 50 0000 C CNN -F 1 "USB_A" H 4407 3626 50 0000 C CNN -F 2 "" H 4500 3200 50 0001 C CNN -F 3 " ~" H 4500 3200 50 0001 C CNN - 1 4350 3250 - 1 0 0 -1 -$EndComp -Wire Wire Line - 4650 3250 4650 3350 -Wire Wire Line - 3950 2550 4750 2550 -Wire Wire Line - 4750 2550 4750 3050 -Wire Wire Line - 4750 3050 4650 3050 -$Comp -L power:GND #PWR010 -U 1 1 5F0DE538 -P 4350 3700 -F 0 "#PWR010" H 4350 3450 50 0001 C CNN -F 1 "GND" H 4355 3527 50 0000 C CNN -F 2 "" H 4350 3700 50 0001 C CNN -F 3 "" H 4350 3700 50 0001 C CNN - 1 4350 3700 - 1 0 0 -1 -$EndComp -Wire Wire Line - 4350 3700 4350 3650 -Wire Wire Line - 4100 2700 4900 2700 -Wire Wire Line - 4900 2700 4900 3250 -Wire Wire Line - 4900 3250 4650 3250 -Connection ~ 4650 3250 -Connection ~ 3950 2550 -Connection ~ 4100 2700 -Wire Wire Line - 2650 3650 2650 4000 -Wire Wire Line - 3450 3650 3450 4000 -Wire Wire Line - 3450 4000 4250 4000 -Wire Wire Line - 4250 4000 4250 3650 -Connection ~ 3450 4000 -$Comp -L Device:C C3 -U 1 1 5F0DE54F -P 4900 3550 -F 0 "C3" H 5015 3596 50 0000 L CNN -F 1 "C" H 5015 3505 50 0000 L CNN -F 2 "" H 4938 3400 50 0001 C CNN -F 3 "~" H 4900 3550 50 0001 C CNN - 1 4900 3550 - 1 0 0 -1 -$EndComp -Wire Wire Line - 4900 3400 4900 3250 -Connection ~ 4900 3250 -$Comp -L power:GND #PWR013 -U 1 1 5F0DE55B -P 4900 3800 -F 0 "#PWR013" H 4900 3550 50 0001 C CNN -F 1 "GND" H 4905 3627 50 0000 C CNN -F 2 "" H 4900 3800 50 0001 C CNN -F 3 "" H 4900 3800 50 0001 C CNN - 1 4900 3800 - 1 0 0 -1 -$EndComp -Wire Wire Line - 4900 3800 4900 3700 -$Comp -L Device:C C6 -U 1 1 5F0DE566 -P 5250 3200 -F 0 "C6" H 5365 3246 50 0000 L CNN -F 1 "C" H 5365 3155 50 0000 L CNN -F 2 "" H 5288 3050 50 0001 C CNN -F 3 "~" H 5250 3200 50 0001 C CNN - 1 5250 3200 - 1 0 0 -1 -$EndComp -Wire Wire Line - 5250 3050 4750 3050 -Connection ~ 4750 3050 -$Comp -L power:GND #PWR016 -U 1 1 5F0DE572 -P 5250 3450 -F 0 "#PWR016" H 5250 3200 50 0001 C CNN -F 1 "GND" H 5255 3277 50 0000 C CNN -F 2 "" H 5250 3450 50 0001 C CNN -F 3 "" H 5250 3450 50 0001 C CNN - 1 5250 3450 - 1 0 0 -1 -$EndComp -Wire Wire Line - 5250 3450 5250 3350 -Wire Wire Line - 3150 2550 2350 2550 -Wire Wire Line - 2350 2550 2350 950 -Connection ~ 3150 2550 -Connection ~ 2350 950 -Wire Wire Line - 2350 950 3150 950 -Wire Wire Line - 3300 2700 2200 2700 -Wire Wire Line - 2200 2700 2200 1100 -Connection ~ 3300 2700 -Connection ~ 2200 1100 -Wire Wire Line - 2200 1100 3300 1100 -$Comp -L Connector:USB_A J3 -U 1 1 5F10B6BB -P 2750 4850 -F 0 "J3" H 2807 5317 50 0000 C CNN -F 1 "USB_A" H 2807 5226 50 0000 C CNN -F 2 "" H 2900 4800 50 0001 C CNN -F 3 " ~" H 2900 4800 50 0001 C CNN - 1 2750 4850 - 1 0 0 -1 -$EndComp -Wire Wire Line - 3050 4850 3050 4950 -$Comp -L Connector:USB_A J6 -U 1 1 5F10B6C6 -P 3550 4850 -F 0 "J6" H 3607 5317 50 0000 C CNN -F 1 "USB_A" H 3607 5226 50 0000 C CNN -F 2 "" H 3700 4800 50 0001 C CNN -F 3 " ~" H 3700 4800 50 0001 C CNN - 1 3550 4850 - 1 0 0 -1 -$EndComp -Wire Wire Line - 3850 4850 3850 4950 -Wire Wire Line - 3950 4150 3950 4650 -Wire Wire Line - 3950 4650 3850 4650 -$Comp -L power:GND #PWR05 -U 1 1 5F10B6D6 -P 2750 5300 -F 0 "#PWR05" H 2750 5050 50 0001 C CNN -F 1 "GND" H 2755 5127 50 0000 C CNN -F 2 "" H 2750 5300 50 0001 C CNN -F 3 "" H 2750 5300 50 0001 C CNN - 1 2750 5300 - 1 0 0 -1 -$EndComp -$Comp -L power:GND #PWR08 -U 1 1 5F10B6E0 -P 3550 5300 -F 0 "#PWR08" H 3550 5050 50 0001 C CNN -F 1 "GND" H 3555 5127 50 0000 C CNN -F 2 "" H 3550 5300 50 0001 C CNN -F 3 "" H 3550 5300 50 0001 C CNN - 1 3550 5300 - 1 0 0 -1 -$EndComp -Wire Wire Line - 2750 5300 2750 5250 -Wire Wire Line - 3550 5300 3550 5250 -Wire Wire Line - 4100 4300 4100 4850 -Wire Wire Line - 4100 4850 3850 4850 -Connection ~ 3850 4850 -$Comp -L Connector:USB_A J9 -U 1 1 5F10B6F3 -P 4350 4850 -F 0 "J9" H 4407 5317 50 0000 C CNN -F 1 "USB_A" H 4407 5226 50 0000 C CNN -F 2 "" H 4500 4800 50 0001 C CNN -F 3 " ~" H 4500 4800 50 0001 C CNN - 1 4350 4850 - 1 0 0 -1 -$EndComp -Wire Wire Line - 4650 4850 4650 4950 -Wire Wire Line - 4750 4150 4750 4650 -Wire Wire Line - 4750 4650 4650 4650 -$Comp -L power:GND #PWR011 -U 1 1 5F10B701 -P 4350 5300 -F 0 "#PWR011" H 4350 5050 50 0001 C CNN -F 1 "GND" H 4355 5127 50 0000 C CNN -F 2 "" H 4350 5300 50 0001 C CNN -F 3 "" H 4350 5300 50 0001 C CNN - 1 4350 5300 - 1 0 0 -1 -$EndComp -Wire Wire Line - 4350 5300 4350 5250 -Wire Wire Line - 4100 4300 4900 4300 -Wire Wire Line - 4900 4300 4900 4850 -Wire Wire Line - 4900 4850 4650 4850 -Connection ~ 4650 4850 -Connection ~ 3950 4150 -Connection ~ 4100 4300 -Wire Wire Line - 3450 5250 3450 5600 -Wire Wire Line - 3450 5600 4250 5600 -Wire Wire Line - 4250 5600 4250 5250 -$Comp -L Device:C C4 -U 1 1 5F10B718 -P 4900 5150 -F 0 "C4" H 5015 5196 50 0000 L CNN -F 1 "C" H 5015 5105 50 0000 L CNN -F 2 "" H 4938 5000 50 0001 C CNN -F 3 "~" H 4900 5150 50 0001 C CNN - 1 4900 5150 - 1 0 0 -1 -$EndComp -Wire Wire Line - 4900 5000 4900 4850 -Connection ~ 4900 4850 -$Comp -L power:GND #PWR014 -U 1 1 5F10B724 -P 4900 5400 -F 0 "#PWR014" H 4900 5150 50 0001 C CNN -F 1 "GND" H 4905 5227 50 0000 C CNN -F 2 "" H 4900 5400 50 0001 C CNN -F 3 "" H 4900 5400 50 0001 C CNN - 1 4900 5400 - 1 0 0 -1 -$EndComp -Wire Wire Line - 4900 5400 4900 5300 -$Comp -L Device:C C7 -U 1 1 5F10B72F -P 5250 4800 -F 0 "C7" H 5365 4846 50 0000 L CNN -F 1 "C" H 5365 4755 50 0000 L CNN -F 2 "" H 5288 4650 50 0001 C CNN -F 3 "~" H 5250 4800 50 0001 C CNN - 1 5250 4800 - 1 0 0 -1 -$EndComp -Wire Wire Line - 5250 4650 4750 4650 -Connection ~ 4750 4650 -$Comp -L power:GND #PWR017 -U 1 1 5F10B73B -P 5250 5050 -F 0 "#PWR017" H 5250 4800 50 0001 C CNN -F 1 "GND" H 5255 4877 50 0000 C CNN -F 2 "" H 5250 5050 50 0001 C CNN -F 3 "" H 5250 5050 50 0001 C CNN - 1 5250 5050 - 1 0 0 -1 -$EndComp -Wire Wire Line - 5250 5050 5250 4950 -Wire Wire Line - 2350 4150 2350 2550 -Wire Wire Line - 2200 4300 2200 2700 -Connection ~ 2200 2700 -Connection ~ 2350 2550 -Wire Wire Line - 2350 4150 3950 4150 -Wire Wire Line - 3950 4150 4750 4150 -Wire Wire Line - 2200 4300 4100 4300 -Wire Wire Line - 1350 4400 3200 4400 -Wire Wire Line - 3200 4400 3200 4850 -Wire Wire Line - 3200 4850 3050 4850 -Connection ~ 3050 4850 -Wire Wire Line - 2650 2400 2050 2400 -Wire Wire Line - 2050 2400 2050 4000 -Wire Wire Line - 2050 4000 2650 4000 -Connection ~ 2650 2400 -Connection ~ 2650 4000 -Wire Wire Line - 2650 4000 3450 4000 -Wire Wire Line - 2050 4000 2050 5600 -Wire Wire Line - 2050 5600 3450 5600 -Connection ~ 2050 4000 -Connection ~ 3450 5600 -$EndSCHEMATC diff --git a/misc/12V Lead-Acid battery changer and terminal/KiCad project/connector terminal.sch-bak b/misc/12V Lead-Acid battery changer and terminal/KiCad project/connector terminal.sch-bak deleted file mode 100644 index 2e268c0..0000000 --- a/misc/12V Lead-Acid battery changer and terminal/KiCad project/connector terminal.sch-bak +++ /dev/null @@ -1,614 +0,0 @@ -EESchema Schematic File Version 4 -EELAYER 30 0 -EELAYER END -$Descr A4 11693 8268 -encoding utf-8 -Sheet 6 6 -Title "" -Date "" -Rev "" -Comp "" -Comment1 "" -Comment2 "" -Comment3 "" -Comment4 "" -$EndDescr -$Comp -L Connector:USB_A J1 -U 1 1 5F0CC9AF -P 2750 1650 -F 0 "J1" H 2807 2117 50 0000 C CNN -F 1 "USB_A" H 2807 2026 50 0000 C CNN -F 2 "" H 2900 1600 50 0001 C CNN -F 3 " ~" H 2900 1600 50 0001 C CNN - 1 2750 1650 - 1 0 0 -1 -$EndComp -Wire Wire Line - 3050 1650 3050 1750 -$Comp -L Connector:USB_A J4 -U 1 1 5F0CE176 -P 3550 1650 -F 0 "J4" H 3607 2117 50 0000 C CNN -F 1 "USB_A" H 3607 2026 50 0000 C CNN -F 2 "" H 3700 1600 50 0001 C CNN -F 3 " ~" H 3700 1600 50 0001 C CNN - 1 3550 1650 - 1 0 0 -1 -$EndComp -Wire Wire Line - 3850 1650 3850 1750 -Wire Wire Line - 3050 1450 3150 1450 -Wire Wire Line - 3150 1450 3150 950 -Wire Wire Line - 3150 950 3950 950 -Wire Wire Line - 3950 950 3950 1450 -Wire Wire Line - 3950 1450 3850 1450 -$Comp -L power:GND #PWR03 -U 1 1 5F0CF308 -P 2750 2100 -F 0 "#PWR03" H 2750 1850 50 0001 C CNN -F 1 "GND" H 2755 1927 50 0000 C CNN -F 2 "" H 2750 2100 50 0001 C CNN -F 3 "" H 2750 2100 50 0001 C CNN - 1 2750 2100 - 1 0 0 -1 -$EndComp -$Comp -L power:GND #PWR06 -U 1 1 5F0CF8C4 -P 3550 2100 -F 0 "#PWR06" H 3550 1850 50 0001 C CNN -F 1 "GND" H 3555 1927 50 0000 C CNN -F 2 "" H 3550 2100 50 0001 C CNN -F 3 "" H 3550 2100 50 0001 C CNN - 1 3550 2100 - 1 0 0 -1 -$EndComp -Wire Wire Line - 2750 2100 2750 2050 -Wire Wire Line - 3550 2100 3550 2050 -Text HLabel 1100 950 0 50 Input ~ 0 -5V -Wire Wire Line - 1100 950 2350 950 -Connection ~ 3150 950 -Text HLabel 1100 1100 0 50 Input ~ 0 -13V -Wire Wire Line - 1100 1100 2200 1100 -Wire Wire Line - 3300 1100 3300 1650 -Wire Wire Line - 3300 1650 3050 1650 -Connection ~ 3050 1650 -Wire Wire Line - 3300 1100 4100 1100 -Wire Wire Line - 4100 1100 4100 1650 -Wire Wire Line - 4100 1650 3850 1650 -Connection ~ 3300 1100 -Connection ~ 3850 1650 -Text HLabel 1100 1250 0 50 Input ~ 0 -GND -Text HLabel 1350 4400 0 50 BiDi ~ 0 -Battery -$Comp -L power:GND #PWR02 -U 1 1 5F0D429A -P 1200 1300 -F 0 "#PWR02" H 1200 1050 50 0001 C CNN -F 1 "GND" H 1205 1127 50 0000 C CNN -F 2 "" H 1200 1300 50 0001 C CNN -F 3 "" H 1200 1300 50 0001 C CNN - 1 1200 1300 - 1 0 0 -1 -$EndComp -Wire Wire Line - 1200 1300 1200 1250 -Wire Wire Line - 1200 1250 1100 1250 -$Comp -L Connector:USB_A J7 -U 1 1 5F0D4E49 -P 4350 1650 -F 0 "J7" H 4407 2117 50 0000 C CNN -F 1 "USB_A" H 4407 2026 50 0000 C CNN -F 2 "" H 4500 1600 50 0001 C CNN -F 3 " ~" H 4500 1600 50 0001 C CNN - 1 4350 1650 - 1 0 0 -1 -$EndComp -Wire Wire Line - 4650 1650 4650 1750 -Wire Wire Line - 3950 950 4750 950 -Wire Wire Line - 4750 950 4750 1450 -Wire Wire Line - 4750 1450 4650 1450 -$Comp -L power:GND #PWR09 -U 1 1 5F0D4E57 -P 4350 2100 -F 0 "#PWR09" H 4350 1850 50 0001 C CNN -F 1 "GND" H 4355 1927 50 0000 C CNN -F 2 "" H 4350 2100 50 0001 C CNN -F 3 "" H 4350 2100 50 0001 C CNN - 1 4350 2100 - 1 0 0 -1 -$EndComp -Wire Wire Line - 4350 2100 4350 2050 -Wire Wire Line - 4100 1100 4900 1100 -Wire Wire Line - 4900 1100 4900 1650 -Wire Wire Line - 4900 1650 4650 1650 -Connection ~ 4650 1650 -Connection ~ 3950 950 -Connection ~ 4100 1100 -Wire Wire Line - 2650 2400 3450 2400 -Wire Wire Line - 2650 2050 2650 2400 -Wire Wire Line - 3450 2050 3450 2400 -Wire Wire Line - 3450 2400 4250 2400 -Wire Wire Line - 4250 2400 4250 2050 -Connection ~ 3450 2400 -$Comp -L Device:C C2 -U 1 1 5F0D832F -P 4900 1950 -F 0 "C2" H 5015 1996 50 0000 L CNN -F 1 "C" H 5015 1905 50 0000 L CNN -F 2 "" H 4938 1800 50 0001 C CNN -F 3 "~" H 4900 1950 50 0001 C CNN - 1 4900 1950 - 1 0 0 -1 -$EndComp -Wire Wire Line - 4900 1800 4900 1650 -Connection ~ 4900 1650 -$Comp -L power:GND #PWR012 -U 1 1 5F0D8E3C -P 4900 2200 -F 0 "#PWR012" H 4900 1950 50 0001 C CNN -F 1 "GND" H 4905 2027 50 0000 C CNN -F 2 "" H 4900 2200 50 0001 C CNN -F 3 "" H 4900 2200 50 0001 C CNN - 1 4900 2200 - 1 0 0 -1 -$EndComp -Wire Wire Line - 4900 2200 4900 2100 -$Comp -L Device:C C5 -U 1 1 5F0D95F5 -P 5250 1600 -F 0 "C5" H 5365 1646 50 0000 L CNN -F 1 "C" H 5365 1555 50 0000 L CNN -F 2 "" H 5288 1450 50 0001 C CNN -F 3 "~" H 5250 1600 50 0001 C CNN - 1 5250 1600 - 1 0 0 -1 -$EndComp -Wire Wire Line - 5250 1450 4750 1450 -Connection ~ 4750 1450 -$Comp -L power:GND #PWR015 -U 1 1 5F0D9E27 -P 5250 1850 -F 0 "#PWR015" H 5250 1600 50 0001 C CNN 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755b5eb..0000000 --- a/misc/12V Lead-Acid battery changer and terminal/index.html +++ /dev/null @@ -1,684 +0,0 @@ - - - -Battery charger and dual power supply unit - - - - - - - - - - - - - -
-

Battery charger and dual power supply unit

- -
-

1 General

-
- -
-
- -
-

2 Project description

-
-

-I needed dual voltage power supply for my lab that runs on mains -electricity (wall power) and slowly charges (use-changing) attached -12V Lead-Acid battery. Lead-acid battery in turn provides high current -when needed as well as power in portable situations or when mains -electricity is not available. -

- - -
-

make.png -

-
- -

-Power supply provides about 13 Volts and 5 Volts simultaneously. -

- -

-!!!WARNING!!! Alternative and incompatible USB wiring/layout is -being used here. -

- -

-Normal USB devices and cables should not be plugged in! It would -damage device/cable and likely power supply. -

- -

-I found USB-A connectors to be easily available, cheap, reliable and -functional, so I re-purposed connector for my own needs but I'm using -totally incompatible electrical wiring. -

- - -
-

schematic.png -

-
- -

-As seen, it has dual voltage output. Additionally one wire is -dedicated to data transmission and can be used with 1-Wire protocol -

- -

-1-Wire data router/hub is really simple. Power supply simply passively -links all data wires together. -

- -

-Power supply uses 3D printed body with lots of holes, for fanless -cooling. -

- - -
-

body,%201.png -

-
- -

-Various modules are realized on top of prototype PCBs that slide into -dedicated rails within the body. -

- - -
-

body,%202.png -

-
- -

-Like this: -

- - -
-

make,%202.png -

-
- -

-When cover is closed, it blocks PCB movement: -

- - -
-

cover.png -

-
- -

-There is still some empty space inside, so why not add dummy cover on -top that can be replaced later with add-on functionality/expansion -board/terminal :) -

- - -
-

cover%20cover.png -

-
- -

-Download: -

- -
-
- -
-

3 Transformer and AC to DC converter

-
-

-This is where high voltage from mains electricity enters the system. -

- -

-Schematic: -schematic.png -

- -

-For safety I kept high voltage section as minimal as possible. That -is, wall plug runs straight into transformer. Also I used UV hardening -glue for extra safety and isolation on PCB. -

- -

-Power on/off switch operates on already reduced voltage of about 30 -volts. Power switch is located on indicator panel. -

- - -
-

make,%201.png -

-
- -

-DC current of about 30 volts is then routed to Main board. -

- - -
-

make,%202.png -

-
- -

-Single sided prototype PCB is used. -

-
-
- -
-

4 Main board

-
-

-This is logically main board because it appears to be central hub that -connects all components. It also houses 2 adjustable DC-DC Step Down -voltage converters. -

- - -
-

main%20board,%201.png -

-
- -

-High-level schematic of entire device: -schematic.png -

- -

-As seen from schematic, ~30 volts DC from transformer board is routed -into first step-down converter that reduces it to about 15V. Reduced -voltage is then directed to Current limiter circuit. Current limiter -loses about 2 volts. Now we have current and voltage limited power at -about 13 volts. This power is used to charge connected 12V Lead-Acid -battery. Also the same power is routed to connector terminal to be -consumed by connected devices. -

- -

-As seen from this schematic, device is not meant to provide high -current for long periods of time. Instead it gets comparatively -limited current to charge the battery and feed devices with low -current requirements. Occasional current spikes are backed up by -battery that stays in use-changing mode. -

- -

-Also about 13V output voltage is approximate and depends on connected -battery charge level. -

- -

-Second Step-Down converter reduces voltage even further to quite -precisely 5V DC. This resulting voltage is also routed to connector -terminal. -

- -

-Both 13V and 5V lines are also routed to indicator panel for -monitoring. -

- -

-There is single on/off switch. In off position, it disconnects battery -and transformer from the system effectively powering everything down. -

- -

-On schematic above, some wires are annotated with numbers from 1 -to 13. This corresponds to output pins on the board. -

- - -
-

main%20board,%202.png -

-
-
-
-
-

5 Current limiter

-
-

-Schematic: -schematic.png -

- -

-Simple LM317 based current limiter is used. I used 4.7 ohm -resistor. It provides about 265 milliamps of current. See calculator. -

- - -
-

current%20limiter,%201.png -

-
- -

-Thermal paste below and UV hardening glue on top is used to attach -LM317 to the heatsink. There is also jumper-like solution on top -right. This is handy to attach multimeter tap to verify/monitor -current during initial device calibration. -

- -

-If attached battery is really empty, significant voltage drop can -occur in LM317. Heatsink is needed to dissipate that power. -

- - -
-

current%20limiter,%202.png -

-
- -

-Note: resistor gets hot too. -

-
-
- -
-

6 Indicator panel

-
- -
-

indicator%20panel,%201.png -

-
- -

-Basically 2 digital DC voltmeters and main on/off switch. -

- - -
-

indicator%20panel,%202.png -

-
- -

-Download: -

- - -
-

indicator%20panel.png -

-
- - -
-
- -
-

7 Connector terminal

-
-

-Schematic: -schematic.png -

- -

-As seen above, most of the USB connectors are used to deliver dual -power output and 1-wire data connectivity, except one on the bottom -right. This is used to attach 12V battery. Some capacitors are thrown -in as well to stabilize against smaller current spikes. -

- -

-Electrically schematic is realized using smaller prototype PCBs. -

- - -
-

make,%201.png -

-
- - -

-Those PCBs are wired to central small PCB that acts as a hub: -

- - -
-

make,%202.png -

-
- -

-PCBs are held together by being sandwiched between front panel: -

- - -
-

front%20panel.png -

-
- -

-and smaller back-end plate: -

- - -
-

back%20panel.png -

-
- -

-Result: -

- - -
-

make,%203.png -

-
- - -

-Download: -

- -
-
- -
-

8 Calibration

-
-

-Since device uses adjustable step-down modules, these need to be -calibrated to provide correct output voltage. It is important that -battery receives proper charging voltage otherwise either no charging -occurs or battery starts gassing out and gets destroyed. -

- -

-See here for more details: https://www.powerstream.com/SLA.htm -

- -
- -

-Happy building! :) -

-
-
-
-
-
-

Author: Svjatoslav Agejenko

-

Created: 2021-01-03 P 00:39

-

Emacs 26.1 (Org-mode 9.1.9)

-
-
- - diff --git a/misc/12V Lead-Acid battery changer and terminal/index.org b/misc/12V Lead-Acid battery changer and terminal/index.org deleted file mode 100644 index d14cca2..0000000 --- a/misc/12V Lead-Acid battery changer and terminal/index.org +++ /dev/null @@ -1,253 +0,0 @@ -#+TITLE: Battery charger and dual power supply unit -#+AUTHOR: Svjatoslav Agejenko -#+LANGUAGE: en - -* (document settings) :noexport: -** use dark style for TWBS-HTML exporter -#+HTML_HEAD: -#+HTML_HEAD: -#+HTML_HEAD: -#+HTML_HEAD: - -* General -+ DISCLAIMER: I DO ELECTRONICS AND 3D DESIGN SOLELY AS A HOBBY. THERE - COULD BE ERRORS THAT CAN RESULT IN ALL KINDS OF DAMAGE. USE THESE - DESIGNS AT YOUR OWN RISK. - -+ This design is released under Creative Commons Zero (CC0) license. - -+ Authors: - - Svjatoslav Agejenko - - Homepage: https://svjatoslav.eu - - Email: [[mailto://svjatoslav@svjatoslav.eu][svjatoslav@svjatoslav.eu]] - - - Valeria Agejenko - -+ See also: - - [[../../index.html][Other physical projects in this repository]] - - [[https://www.svjatoslav.eu/projects/][Other projects hosted at svjatoslav.eu]] - -* Project description -I needed dual voltage power supply for my lab that runs on mains -electricity (wall power) and slowly charges (use-changing) attached -12V Lead-Acid battery. Lead-acid battery in turn provides high current -when needed as well as power in portable situations or when mains -electricity is not available. - -[[file:make.png]] - -Power supply provides about 13 Volts and 5 Volts simultaneously. - -*!!!WARNING!!!* [[../alternative%20USB%20layout/][Alternative and incompatible USB wiring/layout]] is -being used here. - -*Normal USB devices and cables should not be plugged in! It would -damage device/cable and likely power supply.* - -I found USB-A connectors to be easily available, cheap, reliable and -functional, so I re-purposed connector for my own needs but I'm using -totally incompatible electrical wiring. - -[[file:../alternative%20USB%20layout/schematic.png]] - -As seen, it has dual voltage output. Additionally one wire is -dedicated to data transmission and can be used with [[https://en.wikipedia.org/wiki/1-Wire][1-Wire]] protocol - -1-Wire data router/hub is really simple. Power supply simply passively -links all data wires together. - -Power supply uses 3D printed body with lots of holes, for fanless -cooling. - -[[file:body%20and%20covers/body,%201.png]] - -Various modules are realized on top of prototype PCBs that slide into -dedicated rails within the body. - -[[file:body%20and%20covers/body,%202.png]] - -Like this: - -[[file:make,%202.png]] - -When cover is closed, it blocks PCB movement: - -[[file:body%20and%20covers/cover.png]] - -There is still some empty space inside, so why not add dummy cover on -top that can be replaced later with add-on functionality/expansion -board/terminal :) - -[[file:body%20and%20covers/cover%20cover.png]] - -Download: -+ [[file:body%20and%20covers/body.stl][Body STL file]] -+ [[file:body%20and%20covers/cover.stl][Big cover STL file]] -+ [[file:body%20and%20covers/cover%20cover.stl][Small dummy cover on top, STL file]] -+ [[file:body%20and%20covers/body%20and%20covers.FCStd][Body and covers FreeCAD project]] - -* Transformer and AC to DC converter - -This is where high voltage from mains electricity enters the system. - -Schematic: -[[file:transformer%20and%20AC%20DC%20converter%20board/schematic.png]] - -For safety I kept high voltage section as minimal as possible. That -is, wall plug runs straight into transformer. Also I used [[https://www.amazon.de/gp/product/B07VGQKM3G/ref=ppx_yo_dt_b_asin_title_o06_s00?ie=UTF8&psc=1][UV hardening -glue]] for extra safety and isolation on PCB. - -Power on/off switch operates on already reduced voltage of about 30 -volts. Power switch is located on [[id:c9a69490-f920-4a31-b32e-b101bfc3d01b][indicator panel]]. - -[[file:transformer%20and%20AC%20DC%20converter%20board/make,%201.png]] - -DC current of about 30 volts is then routed to [[id:65d68227-4bf2-4c4f-b4d3-c390bc6a9c34][Main board]]. - -[[file:transformer%20and%20AC%20DC%20converter%20board/make,%202.png]] - -[[https://www.amazon.de/gp/product/B07RLQH5TR/ref=ppx_yo_dt_b_asin_title_o07_s00?ie=UTF8&psc=1][Single sided prototype PCB is used]]. - -* Main board -:PROPERTIES: -:ID: 65d68227-4bf2-4c4f-b4d3-c390bc6a9c34 -:END: - -This is logically main board because it appears to be central hub that -connects all components. It also houses 2 [[https://www.amazon.de/gp/product/B072MQYJ93/ref=ppx_yo_dt_b_asin_title_o04_s00?ie=UTF8&psc=1][adjustable DC-DC Step Down -voltage converters]]. - -[[file:main%20board/main%20board,%201.png]] - -High-level schematic of entire device: -[[file:main%20board/schematic.png]] - -As seen from schematic, ~30 volts DC from transformer board is routed -into first step-down converter that reduces it to about 15V. Reduced -voltage is then directed to [[id:afc22d23-9bc4-421c-9cac-e0ce34bd36bc][Current limiter circuit]]. Current limiter -loses about 2 volts. Now we have current and voltage limited power at -about 13 volts. This power is used to charge connected 12V Lead-Acid -battery. Also the same power is routed to [[id:e33940bd-652f-4ec0-b53b-1c03e16941c8][connector terminal]] to be -consumed by connected devices. - -As seen from this schematic, device is not meant to provide high -current for long periods of time. Instead it gets comparatively -limited current to charge the battery and feed devices with low -current requirements. Occasional current spikes are backed up by -battery that stays in use-changing mode. - -Also about 13V output voltage is approximate and depends on connected -battery charge level. - -Second Step-Down converter reduces voltage even further to quite -precisely 5V DC. This resulting voltage is also routed to [[id:e33940bd-652f-4ec0-b53b-1c03e16941c8][connector -terminal]]. - -Both 13V and 5V lines are also routed to [[id:c9a69490-f920-4a31-b32e-b101bfc3d01b][indicator panel]] for -monitoring. - -There is single on/off switch. In off position, it disconnects battery -and transformer from the system effectively powering everything down. - -On schematic above, some wires are annotated with numbers from 1 -to 13. This corresponds to output pins on the board. - -[[file:main%20board/main%20board,%202.png]] -* Current limiter -:PROPERTIES: -:ID: afc22d23-9bc4-421c-9cac-e0ce34bd36bc -:END: - -Schematic: -[[file:current%20limiter/schematic.png]] - -Simple LM317 based current limiter is used. I used 4.7 ohm -resistor. It provides about 265 milliamps of current. See [[http://www.reuk.co.uk/wordpress/electric-circuit/lm317-current-calculator/][calculator]]. - -[[file:current%20limiter/current%20limiter,%201.png]] - -Thermal paste below and UV hardening glue on top is used to attach -LM317 to the heatsink. There is also jumper-like solution on top -right. This is handy to attach multimeter tap to verify/monitor -current during initial device calibration. - -If attached battery is really empty, significant voltage drop can -occur in LM317. Heatsink is needed to dissipate that power. - -[[file:current%20limiter/current%20limiter,%202.png]] - -Note: resistor gets hot too. - -* Indicator panel -:PROPERTIES: -:ID: c9a69490-f920-4a31-b32e-b101bfc3d01b -:END: - -[[file:indicator%20panel/indicator%20panel,%201.png]] - -Basically 2 digital DC voltmeters and main on/off switch. - -[[file:indicator%20panel/indicator%20panel,%202.png]] - -Download: - -[[file:indicator%20panel/indicator%20panel.png]] - -+ [[file:indicator%20panel/indicator%20panel.stl][STL file]] -+ [[file:indicator%20panel/indicator%20panel.FCStd][FreeCAD project]] - -* Connector terminal -:PROPERTIES: -:ID: e33940bd-652f-4ec0-b53b-1c03e16941c8 -:END: - -Schematic: -[[file:connector%20terminal/schematic.png]] - -As seen above, most of the USB connectors are used to deliver dual -power output and 1-wire data connectivity, except one on the bottom -right. This is used to attach 12V battery. Some capacitors are thrown -in as well to stabilize against smaller current spikes. - -Electrically schematic is realized using smaller prototype PCBs. - -[[file:connector%20terminal/make,%201.png]] - - -Those PCBs are wired to central small PCB that acts as a hub: - -[[file:connector%20terminal/make,%202.png]] - -PCBs are held together by being sandwiched between front panel: - -[[file:connector%20terminal/front%20panel.png]] - -and smaller back-end plate: - -[[file:connector%20terminal/back%20panel.png]] - -Result: - -[[file:connector%20terminal/make,%203.png]] - - -Download: -+ [[file:connector%20terminal/front%20panel.stl][front panel STL]] -+ [[file:connector%20terminal/back%20panel.stl][back panel STL]] -+ [[file:connector%20terminal/connector%20terminal.FCStd][FreeCAD project]] - -* Calibration - -Since device uses adjustable step-down modules, these need to be -calibrated to provide correct output voltage. It is important that -battery receives proper charging voltage otherwise either no charging -occurs or battery starts gassing out and gets destroyed. - -See here for more details: https://www.powerstream.com/SLA.htm - ------ - -Happy building! :) diff --git a/misc/12V Lead-Acid battery changer and terminal/indicator panel/indicator panel, 1.png b/misc/12V Lead-Acid battery changer and terminal/indicator panel/indicator panel, 1.png deleted file mode 100644 index 2b40b73..0000000 Binary files a/misc/12V Lead-Acid battery changer and terminal/indicator panel/indicator panel, 1.png and /dev/null differ diff --git a/misc/12V Lead-Acid battery changer and terminal/indicator panel/indicator panel, 2.png b/misc/12V Lead-Acid battery changer and terminal/indicator panel/indicator panel, 2.png deleted file mode 100644 index 8763be2..0000000 Binary files a/misc/12V Lead-Acid battery changer and terminal/indicator panel/indicator panel, 2.png and /dev/null differ diff --git a/misc/12V Lead-Acid battery changer and terminal/indicator panel/indicator panel.FCStd b/misc/12V Lead-Acid battery changer and terminal/indicator panel/indicator panel.FCStd deleted file mode 100644 index b7c8f3e..0000000 Binary files a/misc/12V Lead-Acid battery changer and terminal/indicator panel/indicator panel.FCStd and /dev/null differ diff --git a/misc/12V Lead-Acid battery changer and terminal/indicator panel/indicator panel.png b/misc/12V Lead-Acid battery changer and terminal/indicator panel/indicator panel.png deleted file mode 100644 index f82be88..0000000 Binary files a/misc/12V Lead-Acid battery changer and terminal/indicator panel/indicator panel.png and /dev/null differ diff --git a/misc/12V Lead-Acid battery changer and terminal/indicator panel/indicator panel.stl b/misc/12V Lead-Acid battery changer and terminal/indicator panel/indicator panel.stl deleted file mode 100644 index 5b631c8..0000000 Binary files a/misc/12V Lead-Acid battery changer and terminal/indicator panel/indicator panel.stl and /dev/null differ diff --git a/misc/12V Lead-Acid battery changer and terminal/main board/main board, 1.png b/misc/12V Lead-Acid battery changer and terminal/main board/main board, 1.png deleted file mode 100644 index 3f23352..0000000 Binary files a/misc/12V Lead-Acid battery changer and terminal/main board/main board, 1.png and /dev/null differ diff --git a/misc/12V Lead-Acid battery changer and terminal/main board/main board, 2.png b/misc/12V Lead-Acid battery changer and terminal/main board/main board, 2.png deleted file mode 100644 index 9ab4026..0000000 Binary files a/misc/12V Lead-Acid battery changer and terminal/main board/main board, 2.png and /dev/null differ diff --git a/misc/12V Lead-Acid battery changer and terminal/main board/schematic.png b/misc/12V Lead-Acid battery changer and terminal/main board/schematic.png deleted file mode 100644 index 8f16aa6..0000000 Binary files a/misc/12V Lead-Acid battery changer and terminal/main board/schematic.png and /dev/null differ diff --git a/misc/12V Lead-Acid battery changer and terminal/make, 2.png b/misc/12V Lead-Acid battery changer and terminal/make, 2.png deleted file mode 100644 index 9e3f5a6..0000000 Binary files a/misc/12V Lead-Acid battery changer and terminal/make, 2.png and /dev/null differ diff --git a/misc/12V Lead-Acid battery changer and terminal/make.png b/misc/12V Lead-Acid battery changer and terminal/make.png deleted file mode 100644 index b525c46..0000000 Binary files a/misc/12V Lead-Acid battery changer and terminal/make.png and /dev/null differ diff --git a/misc/12V Lead-Acid battery changer and terminal/notes.txt b/misc/12V Lead-Acid battery changer and terminal/notes.txt deleted file mode 100644 index 1e8478d..0000000 --- a/misc/12V Lead-Acid battery changer and terminal/notes.txt +++ /dev/null @@ -1,3 +0,0 @@ - - -Thermistor used: UEI005 (NTC Thermistor) diff --git a/misc/12V Lead-Acid battery changer and terminal/transformer and AC DC converter board/make, 1.png b/misc/12V Lead-Acid battery changer and terminal/transformer and AC DC converter board/make, 1.png deleted file mode 100644 index b5494ce..0000000 Binary files a/misc/12V Lead-Acid battery changer and terminal/transformer and AC DC converter board/make, 1.png and /dev/null differ diff --git a/misc/12V Lead-Acid battery changer and terminal/transformer and AC DC converter board/make, 2.png b/misc/12V Lead-Acid battery changer and terminal/transformer and AC DC converter board/make, 2.png deleted file mode 100644 index 9615c4a..0000000 Binary files a/misc/12V Lead-Acid battery changer and terminal/transformer and AC DC converter board/make, 2.png and /dev/null differ diff --git a/misc/12V Lead-Acid battery changer and terminal/transformer and AC DC converter board/schematic.png b/misc/12V Lead-Acid battery changer and terminal/transformer and AC DC converter board/schematic.png deleted file mode 100644 index fe4820f..0000000 Binary files a/misc/12V Lead-Acid battery changer and terminal/transformer and AC DC converter board/schematic.png and /dev/null differ diff --git a/misc/Baofeng radio battery charger case mod/assembled.png b/misc/Baofeng radio battery charger case mod/assembled.png deleted file mode 100644 index 692854f..0000000 Binary files a/misc/Baofeng radio battery charger case mod/assembled.png and /dev/null differ diff --git a/misc/Baofeng radio battery charger case mod/battery changer.FCStd b/misc/Baofeng radio battery charger case mod/battery changer.FCStd deleted file mode 100644 index fb8fac5..0000000 Binary files a/misc/Baofeng radio battery charger case mod/battery changer.FCStd and /dev/null differ diff --git a/misc/Baofeng radio battery charger case mod/body.png b/misc/Baofeng radio battery charger case mod/body.png deleted file mode 100644 index 08a4e78..0000000 Binary files a/misc/Baofeng radio battery charger case mod/body.png and /dev/null differ diff --git a/misc/Baofeng radio battery charger case mod/body.stl b/misc/Baofeng radio battery charger case mod/body.stl deleted file mode 100644 index 6345436..0000000 Binary files a/misc/Baofeng radio battery charger case mod/body.stl and /dev/null differ diff --git a/misc/Baofeng radio battery charger case mod/cover.png b/misc/Baofeng radio battery charger case mod/cover.png deleted file mode 100644 index 21ea51a..0000000 Binary files a/misc/Baofeng radio battery charger case mod/cover.png and /dev/null differ diff --git a/misc/Baofeng radio battery charger case mod/cover.stl b/misc/Baofeng radio battery charger case mod/cover.stl deleted file mode 100644 index de9b471..0000000 Binary files a/misc/Baofeng radio battery charger case mod/cover.stl and /dev/null differ diff --git a/misc/Baofeng radio battery charger case mod/electrical.png b/misc/Baofeng radio battery charger case mod/electrical.png deleted file mode 100644 index b336eca..0000000 Binary files a/misc/Baofeng radio battery charger case mod/electrical.png and /dev/null differ diff --git a/misc/Baofeng radio battery charger case mod/electrical/changer.sch b/misc/Baofeng radio battery charger case mod/electrical/changer.sch deleted file mode 100644 index 6868a26..0000000 --- a/misc/Baofeng radio battery charger case mod/electrical/changer.sch +++ /dev/null @@ -1,16 +0,0 @@ -EESchema Schematic File Version 4 -EELAYER 30 0 -EELAYER END -$Descr A4 11693 8268 -encoding utf-8 -Sheet 1 3 -Title "" -Date "" -Rev "" -Comp "" -Comment1 "" -Comment2 "" -Comment3 "" -Comment4 "" -$EndDescr -$EndSCHEMATC diff --git a/misc/Baofeng radio battery charger case mod/electrical/changer.sch-bak b/misc/Baofeng radio battery charger case mod/electrical/changer.sch-bak deleted file mode 100644 index 6868a26..0000000 --- a/misc/Baofeng radio battery charger case mod/electrical/changer.sch-bak +++ /dev/null @@ -1,16 +0,0 @@ -EESchema Schematic File Version 4 -EELAYER 30 0 -EELAYER END -$Descr A4 11693 8268 -encoding utf-8 -Sheet 1 3 -Title "" -Date "" -Rev "" -Comp "" -Comment1 "" -Comment2 "" -Comment3 "" -Comment4 "" -$EndDescr -$EndSCHEMATC diff --git a/misc/Baofeng radio battery charger case mod/electrical/schematic-cache.lib b/misc/Baofeng radio battery charger case mod/electrical/schematic-cache.lib deleted file mode 100644 index 385eac2..0000000 --- a/misc/Baofeng radio battery charger case mod/electrical/schematic-cache.lib +++ /dev/null @@ -1,116 +0,0 @@ -EESchema-LIBRARY Version 2.4 -#encoding utf-8 -# -# Connector_USB_A -# -DEF Connector_USB_A J 0 40 Y Y 1 F N -F0 "J" -200 450 50 H V L CNN -F1 "Connector_USB_A" -200 350 50 H V L CNN -F2 "" 150 -50 50 H I C CNN -F3 "" 150 -50 50 H I C CNN -$FPLIST - USB* -$ENDFPLIST -DRAW -C -150 85 25 0 1 10 F -C -25 135 15 0 1 10 F -S -200 -300 200 300 0 1 10 f -S -60 190 -170 210 0 1 0 F -S -50 180 -180 230 0 1 0 N -S -5 -300 5 -270 0 1 0 N -S 10 50 -20 20 0 1 10 F -S 200 -105 170 -95 0 1 0 N -S 200 -5 170 5 0 1 0 N -S 200 195 170 205 0 1 0 N -P 4 0 1 10 -125 85 -100 85 -50 135 -25 135 N -P 4 0 1 10 -100 85 -75 85 -50 35 0 35 N -P 4 0 1 10 25 110 25 60 75 85 25 110 F -P 2 1 1 10 -75 85 25 85 N -X VBUS 1 300 200 100 L 50 50 1 1 W -X D- 2 300 -100 100 L 50 50 1 1 B -X D+ 3 300 0 100 L 50 50 1 1 B -X GND 4 0 -400 100 U 50 50 1 1 W -X Shield 5 -100 -400 100 U 50 50 1 1 P -ENDDRAW -ENDDEF -# -# Device_Battery -# -DEF Device_Battery BT 0 0 N N 1 F N -F0 "BT" 100 100 50 H V L CNN -F1 "Device_Battery" 100 0 50 H V L CNN -F2 "" 0 60 50 V I C CNN -F3 "" 0 60 50 V I C CNN -DRAW -S -80 -55 80 -65 0 1 0 F -S -80 70 80 60 0 1 0 F -S -52 -78 50 -98 0 1 0 F -S -52 47 50 27 0 1 0 F -P 2 0 1 0 0 -60 0 -50 N -P 2 0 1 0 0 -40 0 -30 N -P 2 0 1 0 0 -20 0 -10 N -P 2 0 1 0 0 0 0 10 N -P 2 0 1 0 0 20 0 30 N -P 2 0 1 0 0 70 0 100 N -P 2 0 1 10 10 105 50 105 N -P 2 0 1 10 30 125 30 85 N -X + 1 0 200 100 D 50 50 1 1 P -X - 2 0 -200 100 U 50 50 1 1 P -ENDDRAW -ENDDEF -# -# Device_C -# -DEF Device_C C 0 10 N Y 1 F N -F0 "C" 25 100 50 H V L CNN -F1 "Device_C" 25 -100 50 H V L CNN -F2 "" 38 -150 50 H I C CNN -F3 "" 0 0 50 H I C CNN -$FPLIST - C_* -$ENDFPLIST -DRAW -P 2 0 1 20 -80 -30 80 -30 N -P 2 0 1 20 -80 30 80 30 N -X ~ 1 0 150 110 D 50 50 1 1 P -X ~ 2 0 -150 110 U 50 50 1 1 P -ENDDRAW -ENDDEF -# -# Device_L -# -DEF Device_L L 0 40 N N 1 F N -F0 "L" -50 0 50 V V C CNN -F1 "Device_L" 75 0 50 V V C CNN -F2 "" 0 0 50 H I C CNN -F3 "" 0 0 50 H I C CNN -$FPLIST - Choke_* - *Coil* - Inductor_* - L_* -$ENDFPLIST -DRAW -A 0 -75 25 -899 899 0 1 0 N 0 -100 0 -50 -A 0 -25 25 -899 899 0 1 0 N 0 -50 0 0 -A 0 25 25 -899 899 0 1 0 N 0 0 0 50 -A 0 75 25 -899 899 0 1 0 N 0 50 0 100 -X 1 1 0 150 50 D 50 50 1 1 P -X 2 2 0 -150 50 U 50 50 1 1 P -ENDDRAW -ENDDEF -# -# power_GND -# -DEF power_GND #PWR 0 0 Y Y 1 F P -F0 "#PWR" 0 -250 50 H I C CNN -F1 "power_GND" 0 -150 50 H V C CNN -F2 "" 0 0 50 H I C CNN -F3 "" 0 0 50 H I C CNN -DRAW -P 6 0 1 0 0 0 0 -50 50 -50 0 -100 -50 -50 0 -50 N -X GND 1 0 0 0 D 50 50 1 1 W N -ENDDRAW -ENDDEF -# -#End Library diff --git a/misc/Baofeng radio battery charger case mod/electrical/schematic.sch b/misc/Baofeng radio battery charger case mod/electrical/schematic.sch deleted file mode 100644 index d41ea32..0000000 --- a/misc/Baofeng radio battery charger case mod/electrical/schematic.sch +++ /dev/null @@ -1,159 +0,0 @@ -EESchema Schematic File Version 4 -EELAYER 30 0 -EELAYER END -$Descr A4 11693 8268 -encoding utf-8 -Sheet 1 3 -Title "" -Date "" -Rev "" -Comp "" -Comment1 "" -Comment2 "" -Comment3 "" -Comment4 "" -$EndDescr -$Comp -L Connector:USB_A J? -U 1 1 6066D5F2 -P 2550 3250 -F 0 "J?" H 2607 3717 50 0000 C CNN -F 1 "USB_A" H 2607 3626 50 0000 C CNN -F 2 "" H 2700 3200 50 0001 C CNN -F 3 " ~" H 2700 3200 50 0001 C CNN - 1 2550 3250 - 1 0 0 -1 -$EndComp -$Comp -L Device:L L? -U 1 1 6066E023 -P 3150 3050 -F 0 "L?" V 2969 3050 50 0000 C CNN -F 1 "L" V 3060 3050 50 0000 C CNN -F 2 "" H 3150 3050 50 0001 C CNN -F 3 "~" H 3150 3050 50 0001 C CNN - 1 3150 3050 - 0 1 1 0 -$EndComp -$Comp -L Device:C C? -U 1 1 6066E800 -P 3400 3450 -F 0 "C?" H 3515 3496 50 0000 L CNN -F 1 "C" H 3515 3405 50 0000 L CNN -F 2 "" H 3438 3300 50 0001 C CNN -F 3 "~" H 3400 3450 50 0001 C CNN - 1 3400 3450 - 1 0 0 -1 -$EndComp -$Comp -L power:GND #PWR? -U 1 1 6066F429 -P 3400 3800 -F 0 "#PWR?" H 3400 3550 50 0001 C CNN -F 1 "GND" H 3405 3627 50 0000 C CNN -F 2 "" H 3400 3800 50 0001 C CNN -F 3 "" H 3400 3800 50 0001 C CNN - 1 3400 3800 - 1 0 0 -1 -$EndComp -Wire Wire Line - 3400 3800 3400 3600 -Wire Wire Line - 3400 3300 3400 3050 -Wire Wire Line - 3400 3050 3300 3050 -Wire Wire Line - 3000 3050 2850 3050 -$Comp -L power:GND #PWR? -U 1 1 6066F9FA -P 2550 3800 -F 0 "#PWR?" H 2550 3550 50 0001 C CNN -F 1 "GND" H 2555 3627 50 0000 C CNN -F 2 "" H 2550 3800 50 0001 C CNN -F 3 "" H 2550 3800 50 0001 C CNN - 1 2550 3800 - 1 0 0 -1 -$EndComp -Wire Wire Line - 2550 3800 2550 3650 -$Sheet -S 3700 2900 1200 450 -U 6066FDCB -F0 "Voltage upstep" 50 -F1 "upstep.sch" 50 -F2 "Vin" I L 3700 3050 50 -F3 "Vout" O R 4900 3050 50 -$EndSheet -Wire Wire Line - 3400 3050 3700 3050 -Connection ~ 3400 3050 -$Comp -L Device:C C? -U 1 1 6067078E -P 5100 3500 -F 0 "C?" H 5215 3546 50 0000 L CNN -F 1 "C" H 5215 3455 50 0000 L CNN -F 2 "" H 5138 3350 50 0001 C CNN -F 3 "~" H 5100 3500 50 0001 C CNN - 1 5100 3500 - 1 0 0 -1 -$EndComp -$Sheet -S 5300 2900 1100 450 -U 60670C08 -F0 "charger" 50 -F1 "changer.sch" 50 -F2 "Vin" I L 5300 3050 50 -F3 "Vout" O R 6400 3050 50 -$EndSheet -Wire Wire Line - 4900 3050 5100 3050 -Wire Wire Line - 5100 3050 5100 3350 -Wire Wire Line - 5100 3050 5300 3050 -Connection ~ 5100 3050 -$Comp -L Device:Battery BT? -U 1 1 6067194B -P 6600 3450 -F 0 "BT?" H 6708 3496 50 0000 L CNN -F 1 "Battery" H 6708 3405 50 0000 L CNN -F 2 "" V 6600 3510 50 0001 C CNN -F 3 "~" V 6600 3510 50 0001 C CNN - 1 6600 3450 - 1 0 0 -1 -$EndComp -Wire Wire Line - 6600 3250 6600 3050 -Wire Wire Line - 6600 3050 6400 3050 -$Comp -L power:GND #PWR? -U 1 1 6067278E -P 6600 3750 -F 0 "#PWR?" H 6600 3500 50 0001 C CNN -F 1 "GND" H 6605 3577 50 0000 C CNN -F 2 "" H 6600 3750 50 0001 C CNN -F 3 "" H 6600 3750 50 0001 C CNN - 1 6600 3750 - 1 0 0 -1 -$EndComp -$Comp -L power:GND #PWR? -U 1 1 60672D3C -P 5100 3750 -F 0 "#PWR?" H 5100 3500 50 0001 C CNN -F 1 "GND" H 5105 3577 50 0000 C CNN -F 2 "" H 5100 3750 50 0001 C CNN -F 3 "" H 5100 3750 50 0001 C CNN - 1 5100 3750 - 1 0 0 -1 -$EndComp -Wire Wire Line - 5100 3750 5100 3650 -Wire Wire Line - 6600 3750 6600 3650 -$EndSCHEMATC diff --git a/misc/Baofeng radio battery charger case mod/electrical/schematic.sch-bak b/misc/Baofeng radio battery charger case mod/electrical/schematic.sch-bak deleted file mode 100644 index 4c58992..0000000 --- a/misc/Baofeng radio battery charger case mod/electrical/schematic.sch-bak +++ /dev/null @@ -1,159 +0,0 @@ -EESchema Schematic File Version 4 -EELAYER 30 0 -EELAYER END -$Descr A4 11693 8268 -encoding utf-8 -Sheet 1 3 -Title "" -Date "" -Rev "" -Comp "" -Comment1 "" -Comment2 "" -Comment3 "" -Comment4 "" -$EndDescr -$Comp -L Connector:USB_A J? -U 1 1 6066D5F2 -P 2550 3250 -F 0 "J?" H 2607 3717 50 0000 C CNN -F 1 "USB_A" H 2607 3626 50 0000 C CNN -F 2 "" H 2700 3200 50 0001 C CNN -F 3 " ~" H 2700 3200 50 0001 C CNN - 1 2550 3250 - 1 0 0 -1 -$EndComp -$Comp -L Device:L L? -U 1 1 6066E023 -P 3150 3050 -F 0 "L?" V 2969 3050 50 0000 C CNN -F 1 "L" V 3060 3050 50 0000 C CNN -F 2 "" H 3150 3050 50 0001 C CNN -F 3 "~" H 3150 3050 50 0001 C CNN - 1 3150 3050 - 0 1 1 0 -$EndComp -$Comp -L Device:C C? -U 1 1 6066E800 -P 3400 3350 -F 0 "C?" H 3515 3396 50 0000 L CNN -F 1 "C" H 3515 3305 50 0000 L CNN -F 2 "" H 3438 3200 50 0001 C CNN -F 3 "~" H 3400 3350 50 0001 C CNN - 1 3400 3350 - 1 0 0 -1 -$EndComp -$Comp -L power:GND #PWR? -U 1 1 6066F429 -P 3400 3700 -F 0 "#PWR?" H 3400 3450 50 0001 C CNN -F 1 "GND" H 3405 3527 50 0000 C CNN -F 2 "" H 3400 3700 50 0001 C CNN -F 3 "" H 3400 3700 50 0001 C CNN - 1 3400 3700 - 1 0 0 -1 -$EndComp -Wire Wire Line - 3400 3700 3400 3500 -Wire Wire Line - 3400 3200 3400 3050 -Wire Wire Line - 3400 3050 3300 3050 -Wire Wire Line - 3000 3050 2850 3050 -$Comp -L power:GND #PWR? -U 1 1 6066F9FA -P 2550 3800 -F 0 "#PWR?" H 2550 3550 50 0001 C CNN -F 1 "GND" H 2555 3627 50 0000 C CNN -F 2 "" H 2550 3800 50 0001 C CNN -F 3 "" H 2550 3800 50 0001 C CNN - 1 2550 3800 - 1 0 0 -1 -$EndComp -Wire Wire Line - 2550 3800 2550 3650 -$Sheet -S 3700 2900 1200 450 -U 6066FDCB -F0 "Voltage upstep" 50 -F1 "upstep.sch" 50 -F2 "Vin" I L 3700 3050 50 -F3 "Vout" O R 4900 3050 50 -$EndSheet -Wire Wire Line - 3400 3050 3700 3050 -Connection ~ 3400 3050 -$Comp -L Device:C C? -U 1 1 6067078E -P 5100 3600 -F 0 "C?" H 5215 3646 50 0000 L CNN -F 1 "C" H 5215 3555 50 0000 L CNN -F 2 "" H 5138 3450 50 0001 C CNN -F 3 "~" H 5100 3600 50 0001 C CNN - 1 5100 3600 - 1 0 0 -1 -$EndComp -$Sheet -S 5300 2900 1100 450 -U 60670C08 -F0 "charger" 50 -F1 "changer.sch" 50 -F2 "Vin" I L 5300 3050 50 -F3 "Vout" O R 6400 3050 50 -$EndSheet -Wire Wire Line - 4900 3050 5100 3050 -Wire Wire Line - 5100 3050 5100 3450 -Wire Wire Line - 5100 3050 5300 3050 -Connection ~ 5100 3050 -$Comp -L Device:Battery BT? -U 1 1 6067194B -P 6600 3450 -F 0 "BT?" H 6708 3496 50 0000 L CNN -F 1 "Battery" H 6708 3405 50 0000 L CNN -F 2 "" V 6600 3510 50 0001 C CNN -F 3 "~" V 6600 3510 50 0001 C CNN - 1 6600 3450 - 1 0 0 -1 -$EndComp -Wire Wire Line - 6600 3250 6600 3050 -Wire Wire Line - 6600 3050 6400 3050 -$Comp -L power:GND #PWR? -U 1 1 6067278E -P 6600 3750 -F 0 "#PWR?" H 6600 3500 50 0001 C CNN -F 1 "GND" H 6605 3577 50 0000 C CNN -F 2 "" H 6600 3750 50 0001 C CNN -F 3 "" H 6600 3750 50 0001 C CNN - 1 6600 3750 - 1 0 0 -1 -$EndComp -$Comp -L power:GND #PWR? -U 1 1 60672D3C -P 5100 3850 -F 0 "#PWR?" H 5100 3600 50 0001 C CNN -F 1 "GND" H 5105 3677 50 0000 C CNN -F 2 "" H 5100 3850 50 0001 C CNN -F 3 "" H 5100 3850 50 0001 C CNN - 1 5100 3850 - 1 0 0 -1 -$EndComp -Wire Wire Line - 5100 3850 5100 3750 -Wire Wire Line - 6600 3750 6600 3650 -$EndSCHEMATC diff --git a/misc/Baofeng radio battery charger case mod/electrical/upstep.sch b/misc/Baofeng radio battery charger case mod/electrical/upstep.sch deleted file mode 100644 index 8cd5fdf..0000000 --- a/misc/Baofeng radio battery charger case mod/electrical/upstep.sch +++ /dev/null @@ -1,16 +0,0 @@ -EESchema Schematic File Version 4 -EELAYER 30 0 -EELAYER END -$Descr A4 11693 8268 -encoding utf-8 -Sheet 2 3 -Title "" -Date "" -Rev "" -Comp "" -Comment1 "" -Comment2 "" -Comment3 "" -Comment4 "" -$EndDescr -$EndSCHEMATC diff --git a/misc/Baofeng radio battery charger case mod/electrical/upstep.sch-bak b/misc/Baofeng radio battery charger case mod/electrical/upstep.sch-bak deleted file mode 100644 index 8cd5fdf..0000000 --- a/misc/Baofeng radio battery charger case mod/electrical/upstep.sch-bak +++ /dev/null @@ -1,16 +0,0 @@ -EESchema Schematic File Version 4 -EELAYER 30 0 -EELAYER END -$Descr A4 11693 8268 -encoding utf-8 -Sheet 2 3 -Title "" -Date "" -Rev "" -Comp "" -Comment1 "" -Comment2 "" -Comment3 "" -Comment4 "" -$EndDescr -$EndSCHEMATC diff --git a/misc/Baofeng radio battery charger case mod/index.html b/misc/Baofeng radio battery charger case mod/index.html deleted file mode 100644 index 7bc23a3..0000000 --- a/misc/Baofeng radio battery charger case mod/index.html +++ /dev/null @@ -1,378 +0,0 @@ - - - - - - - -Ham radio battery charger mod - - - - - - - - - - - -
-

Ham radio battery charger mod

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Table of Contents

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1 General

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2 Project description

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-Warning: this project is quite hacky. It requires breaking original -charger to get required critical charger part. Instructions are not -very detailed. Only describe the overall idea. Do not attempt to -reproduce this unless you exactly know what you are doing. -

- -
- - -

-I have Baofeng GT-STP and Baofeng UV-82 radios. Their batteries have -slightly different geometry, so chargers are physically not -compatible. Also each changer comes with its own power adapter to plug -into wall power socket. Electrically batteries are apparently -compatible. -

- -

-By building this battery charger I solved 2 issues: -

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  • It can charge batteries for both radios. Is physically and -electrically compatible to both models.
    • -
  • Wall adapter is no longer needed. Now it is powered by USB connector -from computer.
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make.png -

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-Body ignores small physical differences between batteries and both can -be plugged in. -

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body.png -

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-Front side contains critical fragment of the original changer circuit -board to drive the actual battery charging. -

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make, 1.png -

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-Back side contains voltage upstep converter that is tuned to convert -5V USB input to 10V output that is required by the charger. -

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make, 2.png -

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-Voltage upstep converter can produce significant voltage -ripples/impulses that travel backwards to the power source and forward -to the changer. To reduce this effect, there are capacitors and -inductor. -

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electrical.png -

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-Front and back sides are connected by wiring at the bottom. Also there -are screws to hold original Baofeng charger pins/springs that connect -to the battery. -

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make, 3.png -

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-After assembly is complete, back, front and bottom parts are sealed -with lid: cover.png -

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Author: Svjatoslav Agejenko

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Created: 2021-04-11 Sun 21:46

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Validate

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- - diff --git a/misc/Baofeng radio battery charger case mod/index.org b/misc/Baofeng radio battery charger case mod/index.org deleted file mode 100644 index 253a13d..0000000 --- a/misc/Baofeng radio battery charger case mod/index.org +++ /dev/null @@ -1,86 +0,0 @@ -#+TITLE: Ham radio battery charger mod -#+author: Svjatoslav Agejenko -#+LANGUAGE: en - -* (document settings) :noexport: -** use dark style for TWBS-HTML exporter -#+HTML_HEAD: -#+HTML_HEAD: -#+HTML_HEAD: -#+HTML_HEAD: - -* General -+ DISCLAIMER: I DO ELECTRONICS AND 3D DESIGN SOLELY AS A HOBBY. THERE - COULD BE ERRORS THAT CAN RESULT IN ALL KINDS OF DAMAGE. USE THESE - DESIGNS AT YOUR OWN RISK. - -+ This design is released under Creative Commons Zero (CC0) license. - -+ Authors: - - Svjatoslav Agejenko - - Homepage: https://svjatoslav.eu - - Email: [[mailto://svjatoslav@svjatoslav.eu][svjatoslav@svjatoslav.eu]] - - - Valeria Agejenko - -+ See also: - - [[../../index.html][Other physical projects in this repository]] - - [[https://www.svjatoslav.eu/projects/][Other projects hosted at svjatoslav.eu]] - -* Project description - -Warning: this project is quite hacky. It requires breaking original -charger to get required critical charger part. Instructions are not -very detailed. Only describe the overall idea. Do not attempt to -reproduce this unless you exactly know what you are doing. - ------- - - -I have Baofeng GT-STP and Baofeng UV-82 radios. Their batteries have -slightly different geometry, so chargers are physically not -compatible. Also each changer comes with its own power adapter to plug -into wall power socket. Electrically batteries are apparently -compatible. - -By building this battery charger I solved 2 issues: -+ It can charge batteries for both radios. Is physically and - electrically compatible to both models. -+ Wall adapter is no longer needed. Now it is powered by USB connector - from computer. - -[[file:make.png]] - -Body ignores small physical differences between batteries and both can -be plugged in. - -[[file:body.png]] - -Front side contains critical fragment of the original changer circuit -board to drive the actual battery charging. - -[[file:make, 1.png]] - -Back side contains voltage upstep converter that is tuned to convert -5V USB input to 10V output that is required by the charger. - -[[file:make, 2.png]] - -Voltage upstep converter can produce significant voltage -ripples/impulses that travel backwards to the power source and forward -to the changer. To reduce this effect, there are capacitors and -inductor. - -[[file:electrical.png]] - -Front and back sides are connected by wiring at the bottom. Also there -are screws to hold original Baofeng charger pins/springs that connect -to the battery. - -[[file:make, 3.png]] - -After assembly is complete, back, front and bottom parts are sealed -with lid: [[file:cover.png]] diff --git a/misc/Baofeng radio battery charger case mod/make, 1.png b/misc/Baofeng radio battery charger case mod/make, 1.png deleted file mode 100644 index 9defb89..0000000 Binary files a/misc/Baofeng radio battery charger case mod/make, 1.png and /dev/null differ diff --git a/misc/Baofeng radio battery charger case mod/make, 2.png b/misc/Baofeng radio battery charger case mod/make, 2.png deleted file mode 100644 index 0f3640b..0000000 Binary files a/misc/Baofeng radio battery charger case mod/make, 2.png and /dev/null differ diff --git a/misc/Baofeng radio battery charger case mod/make, 3.png b/misc/Baofeng radio battery charger case mod/make, 3.png deleted file mode 100644 index 92fe21d..0000000 Binary files a/misc/Baofeng radio battery charger case mod/make, 3.png and /dev/null differ diff --git a/misc/Baofeng radio battery charger case mod/make.png b/misc/Baofeng radio battery charger case mod/make.png deleted file mode 100644 index 5c47a6a..0000000 Binary files a/misc/Baofeng radio battery charger case mod/make.png and /dev/null differ diff --git a/misc/PCB support/30x30.FCStd b/misc/PCB support/30x30.FCStd deleted file mode 100644 index e6355ea..0000000 Binary files a/misc/PCB support/30x30.FCStd and /dev/null differ diff --git a/misc/PCB support/30x30.png b/misc/PCB support/30x30.png deleted file mode 100644 index f0ff052..0000000 Binary files a/misc/PCB support/30x30.png and /dev/null differ diff --git a/misc/PCB support/30x30.stl b/misc/PCB support/30x30.stl deleted file mode 100644 index 86c5fe9..0000000 Binary files a/misc/PCB support/30x30.stl and /dev/null differ diff --git a/misc/USB desk fan mod/bottom stand body.png b/misc/USB desk fan mod/bottom stand body.png deleted file mode 100644 index 2ebc467..0000000 Binary files a/misc/USB desk fan mod/bottom stand body.png and /dev/null differ diff --git a/misc/USB desk fan mod/bottom stand body.stl b/misc/USB desk fan mod/bottom stand body.stl deleted file mode 100644 index 3018ac8..0000000 Binary files a/misc/USB desk fan mod/bottom stand body.stl and /dev/null differ diff --git a/misc/USB desk fan mod/bottom stand cover assembly.png b/misc/USB desk fan mod/bottom stand cover assembly.png deleted file mode 100644 index c0647b7..0000000 Binary files a/misc/USB desk fan mod/bottom stand cover assembly.png and /dev/null differ diff --git a/misc/USB desk fan mod/bottom stand cover.stl b/misc/USB desk fan mod/bottom stand cover.stl deleted file mode 100644 index b08352f..0000000 Binary files a/misc/USB desk fan mod/bottom stand cover.stl and /dev/null differ diff --git a/misc/USB desk fan mod/bottom stand.FCStd b/misc/USB desk fan mod/bottom stand.FCStd deleted file mode 100644 index c1f8095..0000000 Binary files a/misc/USB desk fan mod/bottom stand.FCStd and /dev/null differ diff --git a/misc/USB desk fan mod/extension ring.png b/misc/USB desk fan mod/extension ring.png deleted file mode 100644 index fc11fe2..0000000 Binary files a/misc/USB desk fan mod/extension ring.png and /dev/null differ diff --git a/misc/USB desk fan mod/extension ring.stl b/misc/USB desk fan mod/extension ring.stl deleted file mode 100644 index 825cf40..0000000 Binary files a/misc/USB desk fan mod/extension ring.stl and /dev/null differ diff --git a/misc/USB desk fan mod/fan housing - cover assembly.png b/misc/USB desk fan mod/fan housing - cover assembly.png deleted file mode 100644 index 95af21c..0000000 Binary files a/misc/USB desk fan mod/fan housing - cover assembly.png and /dev/null differ diff --git a/misc/USB desk fan mod/fan housing - cover.stl b/misc/USB desk fan mod/fan housing - cover.stl deleted file mode 100644 index 5434fb3..0000000 Binary files a/misc/USB desk fan mod/fan housing - cover.stl and /dev/null differ diff --git a/misc/USB desk fan mod/fan housing - fan mount.png b/misc/USB desk fan mod/fan housing - fan mount.png deleted file mode 100644 index ea78255..0000000 Binary files a/misc/USB desk fan mod/fan housing - fan mount.png and /dev/null differ diff --git a/misc/USB desk fan mod/fan housing - fan mount.stl b/misc/USB desk fan mod/fan housing - fan mount.stl deleted file mode 100644 index bb6e080..0000000 Binary files a/misc/USB desk fan mod/fan housing - fan mount.stl and /dev/null differ diff --git a/misc/USB desk fan mod/fan housing connector.FCStd b/misc/USB desk fan mod/fan housing connector.FCStd deleted file mode 100644 index d8234e6..0000000 Binary files a/misc/USB desk fan mod/fan housing connector.FCStd and /dev/null differ diff --git a/misc/USB desk fan mod/fan housing connector.png b/misc/USB desk fan mod/fan housing connector.png deleted file mode 100644 index cd81bd4..0000000 Binary files a/misc/USB desk fan mod/fan housing connector.png and /dev/null differ diff --git a/misc/USB desk fan mod/fan housing connector.stl b/misc/USB desk fan mod/fan housing connector.stl deleted file mode 100644 index fd7b325..0000000 Binary files a/misc/USB desk fan mod/fan housing connector.stl and /dev/null differ diff --git a/misc/USB desk fan mod/fan housing.FCStd b/misc/USB desk fan mod/fan housing.FCStd deleted file mode 100644 index 757931f..0000000 Binary files a/misc/USB desk fan mod/fan housing.FCStd and /dev/null differ diff --git a/misc/USB desk fan mod/index.html b/misc/USB desk fan mod/index.html deleted file mode 100644 index 5a3b111..0000000 --- a/misc/USB desk fan mod/index.html +++ /dev/null @@ -1,423 +0,0 @@ - - - -USB desk fan modification - - - - - - - - - - - - - -
-

USB desk fan modification

- -
-

1 General

-
- -
-
- -
-

2 Project description

-
-

-End-result looks like this: -

- - -
-

make.png -

-
- -

-It all started with couple of cheap USB desk fans that were a bit too -noisy: -

- - -
-

mini%20fan.png -

-
- -

-Idea is to add DC-DC step-down converter to reduce motor voltage to -make it quieter (Purchased form here). And since I already have this -USB powered thing on my desk, why not to share this power to allow -charging of various other USB powered devices. -

- -

-I ended up with this schematic: -schematic.png -

- -

-USB power of 5 volts that enters the system via DC jack is distributed -to two USB-A connectors on the front panel. Note: USB data is not -connected. Therefore this hub is for power sharing only. -

- -

-DC-DC fly-back converter could introduce voltage ripple in the -system. To smooth it out, there is capacitor (C1) and inductor (L1). -

- -

-Step-down voltage converter has adjustable output voltage. So after -assembling, it can be tuned with screw-driver to reach desired -noise/airflow tradeoff. -

- -

-From original fan I kept: -

-
    -
  • engine -
    • -
  • blades -
    • -
  • DC jack -
    • -
  • on/off swith -
    • -
- -

-Engine is attached with screws to following back-plate: -

- - -
-

fan%20housing%20-%20fan%20mount.png -

-
- -

-And result is encased into pipelike case: -

- - -
-

fan%20housing%20-%20cover%20assembly.png -

-
- - -

-Download: -

- - -

-Fan enclosure attaches to the rectangular body below using following -connector (glued to the fan housing): -

- - -
-

fan%20housing%20connector.png -

-
- -

-Download: -

- - -

-Bottom part to house 2 PCBs, on/off button and DC connector: -bottom%20stand%20body.png -

- -

-Component attachment: -make,%202.png -

- -

-And is closed by cover: -bottom%20stand%20cover%20assembly.png -

- -

-Download: -

- - -

-After assembly, it looks like this from the back: -make,%203.png -

- -

-Note, part of the body is deformed during printing. I have heated bed -and I even printed raft support in Cura and it did not help. In my -experience black PLA filament is awful in comparison to transparent -one. Has inferior flow (results in slower print speed) and tends to -deform easily. Will never buy it again. -

- -

-Fan top and bottom halves are attached using camera tripod quick -release screw. -

-
-
-
-
-
-

Author: Svjatoslav Agejenko

-

Created: 2020-08-10 Mon 07:18

-

Emacs 26.1 (Org-mode 9.1.9)

-
-
- - diff --git a/misc/USB desk fan mod/index.org b/misc/USB desk fan mod/index.org deleted file mode 100644 index 9c14d83..0000000 --- a/misc/USB desk fan mod/index.org +++ /dev/null @@ -1,115 +0,0 @@ -#+TITLE: USB desk fan modification -#+author: Svjatoslav Agejenko -#+LANGUAGE: en - -* (document settings) :noexport: -** use dark style for TWBS-HTML exporter -#+HTML_HEAD: -#+HTML_HEAD: -#+HTML_HEAD: -#+HTML_HEAD: - -* General -+ DISCLAIMER: I DO ELECTRONICS AND 3D DESIGN SOLELY AS A HOBBY. THERE - COULD BE ERRORS THAT CAN RESULT IN ALL KINDS OF DAMAGE. USE THESE - DESIGNS AT YOUR OWN RISK. - -+ This design is released under Creative Commons Zero (CC0) license. - -+ Authors: - - Svjatoslav Agejenko - - Homepage: https://svjatoslav.eu - - Email: [[mailto://svjatoslav@svjatoslav.eu][svjatoslav@svjatoslav.eu]] - - - Valeria Agejenko - -+ See also: - - [[../../index.html][Other physical projects in this repository]] - - [[https://www.svjatoslav.eu/projects/][Other projects hosted at svjatoslav.eu]] - -* Project description -End-result looks like this: - -[[file:make.png]] - -It all started with couple of cheap USB desk fans that were a bit too -noisy: - -[[file:mini%20fan.png]] - -Idea is to add DC-DC step-down converter to reduce motor voltage to -make it quieter ([[https://www.amazon.de/gp/product/B07K3W78SQ/ref=ppx_yo_dt_b_asin_title_o01_s00?ie=UTF8&psc=1][Purchased form here]]). And since I already have this -USB powered thing on my desk, why not to share this power to allow -charging of various other USB powered devices. - -I ended up with this schematic: -[[file:schematic.png]] - -USB power of 5 volts that enters the system via DC jack is distributed -to two USB-A connectors on the front panel. Note: USB data is not -connected. Therefore this hub is for power sharing only. - -DC-DC fly-back converter could introduce voltage ripple in the -system. To smooth it out, there is capacitor (C1) and inductor (L1). - -Step-down voltage converter has adjustable output voltage. So after -assembling, it can be tuned with screw-driver to reach desired -noise/airflow tradeoff. - -From original fan I kept: -+ engine -+ blades -+ DC jack -+ on/off swith - -Engine is attached with screws to following back-plate: - -[[file:fan%20housing%20-%20fan%20mount.png]] - -And result is encased into pipelike case: - -[[file:fan%20housing%20-%20cover%20assembly.png]] - - -Download: -+ STL: [[file:fan%20housing%20-%20fan%20mount.stl][fan mount back plate]] -+ STL: [[file:fan%20housing%20-%20cover.stl][pipe-like case]] -+ [[file:fan%20housing.FCStd][FreeCAD project]] - -Fan enclosure attaches to the rectangular body below using following -connector (glued to the fan housing): - -[[file:fan%20housing%20connector.png]] - -Download: -+ [[file:fan%20housing%20connector.stl][STL file]] -+ [[file:fan%20housing%20connector.FCStd][FreeCAD project]] - -Bottom part to house 2 PCBs, on/off button and DC connector: -[[file:bottom%20stand%20body.png]] - -Component attachment: -[[file:make,%202.png]] - -And is closed by cover: -[[file:bottom%20stand%20cover%20assembly.png]] - -Download: -+ STL: [[file:bottom%20stand%20body.stl][bottom stand body]] -+ STL: [[file:bottom%20stand%20cover.stl]] -+ [[file:bottom%20stand.FCStd][FreeCAD project]] - -After assembly, it looks like this from the back: -[[file:make,%203.png]] - -Note, part of the body is deformed during printing. I have heated bed -and I even printed raft support in Cura and it did not help. In my -experience black PLA filament is awful in comparison to transparent -one. Has inferior flow (results in slower print speed) and tends to -deform easily. Will never buy it again. - -Fan top and bottom halves are attached using [[https://www.amazon.de/gp/product/B00OOLKD2G/ref=ppx_yo_dt_b_asin_image_o00_s00?ie=UTF8&psc=1][camera tripod quick -release screw]]. diff --git a/misc/USB desk fan mod/make, 2.png b/misc/USB desk fan mod/make, 2.png deleted file mode 100644 index 6410e1b..0000000 Binary files a/misc/USB desk fan mod/make, 2.png and /dev/null differ diff --git a/misc/USB desk fan mod/make, 3.png b/misc/USB desk fan mod/make, 3.png deleted file mode 100644 index df08299..0000000 Binary files a/misc/USB desk fan mod/make, 3.png and /dev/null differ diff --git a/misc/USB desk fan mod/make.png b/misc/USB desk fan mod/make.png deleted file mode 100644 index d033828..0000000 Binary files a/misc/USB desk fan mod/make.png and /dev/null differ diff --git a/misc/USB desk fan mod/mini fan.png b/misc/USB desk fan mod/mini fan.png deleted file mode 100644 index 9cbc8d5..0000000 Binary files a/misc/USB desk fan mod/mini fan.png and /dev/null differ diff --git a/misc/USB desk fan mod/schematic.png b/misc/USB desk fan mod/schematic.png deleted file mode 100644 index 4243d4e..0000000 Binary files a/misc/USB desk fan mod/schematic.png and /dev/null differ diff --git a/misc/USB desk fan mod/schematic/DCDC_stepdown.sch b/misc/USB desk fan mod/schematic/DCDC_stepdown.sch deleted file mode 100644 index 37776c6..0000000 --- a/misc/USB desk fan mod/schematic/DCDC_stepdown.sch +++ /dev/null @@ -1,22 +0,0 @@ -EESchema Schematic File Version 4 -EELAYER 30 0 -EELAYER END -$Descr A4 11693 8268 -encoding utf-8 -Sheet 2 2 -Title "" -Date "" -Rev "" -Comp "" -Comment1 "" -Comment2 "" -Comment3 "" -Comment4 "" -$EndDescr -Text HLabel 3200 3150 0 50 Input ~ 0 -Vin -Text HLabel 4050 3150 2 50 Output ~ 0 -Vout -Text HLabel 3550 3500 0 50 UnSpc ~ 0 -GND -$EndSCHEMATC diff --git a/misc/USB desk fan mod/schematic/DCDC_stepdown.sch-bak b/misc/USB desk fan mod/schematic/DCDC_stepdown.sch-bak deleted file mode 100644 index 37776c6..0000000 --- a/misc/USB desk fan mod/schematic/DCDC_stepdown.sch-bak +++ /dev/null @@ -1,22 +0,0 @@ -EESchema Schematic File Version 4 -EELAYER 30 0 -EELAYER END -$Descr A4 11693 8268 -encoding utf-8 -Sheet 2 2 -Title "" -Date "" -Rev "" -Comp "" -Comment1 "" -Comment2 "" -Comment3 "" -Comment4 "" -$EndDescr -Text HLabel 3200 3150 0 50 Input ~ 0 -Vin -Text HLabel 4050 3150 2 50 Output ~ 0 -Vout -Text HLabel 3550 3500 0 50 UnSpc ~ 0 -GND -$EndSCHEMATC diff --git a/misc/USB desk fan mod/schematic/cooler-cache.lib b/misc/USB desk fan mod/schematic/cooler-cache.lib deleted file mode 100644 index d22d3e2..0000000 --- a/misc/USB desk fan mod/schematic/cooler-cache.lib +++ /dev/null @@ -1,155 +0,0 @@ -EESchema-LIBRARY Version 2.4 -#encoding utf-8 -# -# Connector_Jack-DC -# -DEF Connector_Jack-DC J 0 40 Y Y 1 F N -F0 "J" 0 210 50 H V C CNN -F1 "Connector_Jack-DC" 0 -200 50 H V C CNN -F2 "" 50 -40 50 H I C CNN -F3 "" 50 -40 50 H I C CNN -ALIAS Jack-DC -$FPLIST - BarrelJack* -$ENDFPLIST -DRAW -A -130 100 25 901 -901 0 1 10 F -130 125 -130 75 -A -130 100 25 901 -901 0 1 10 N -130 125 -130 75 -S -200 150 200 -150 0 1 10 f -S 145 125 -130 75 0 1 10 F -P 2 0 1 10 200 100 150 100 N -P 6 0 1 10 -150 -100 -100 -100 -50 -50 0 -100 100 -100 200 -100 N -X ~ 1 300 100 100 L 50 50 1 1 P -X ~ 2 300 -100 100 L 50 50 1 1 P -ENDDRAW -ENDDEF -# -# Connector_USB_A -# -DEF Connector_USB_A J 0 40 Y Y 1 F N -F0 "J" -200 450 50 H V L CNN -F1 "Connector_USB_A" -200 350 50 H V L CNN -F2 "" 150 -50 50 H I C CNN -F3 "" 150 -50 50 H I C CNN -$FPLIST - USB* -$ENDFPLIST -DRAW -C -150 85 25 0 1 10 F -C -25 135 15 0 1 10 F -S -200 -300 200 300 0 1 10 f -S -60 190 -170 210 0 1 0 F -S -50 180 -180 230 0 1 0 N -S -5 -300 5 -270 0 1 0 N -S 10 50 -20 20 0 1 10 F -S 200 -105 170 -95 0 1 0 N -S 200 -5 170 5 0 1 0 N -S 200 195 170 205 0 1 0 N -P 4 0 1 10 -125 85 -100 85 -50 135 -25 135 N -P 4 0 1 10 -100 85 -75 85 -50 35 0 35 N -P 4 0 1 10 25 110 25 60 75 85 25 110 F -P 2 1 1 10 -75 85 25 85 N -X VBUS 1 300 200 100 L 50 50 1 1 W -X D- 2 300 -100 100 L 50 50 1 1 P -X D+ 3 300 0 100 L 50 50 1 1 P -X GND 4 0 -400 100 U 50 50 1 1 W -X Shield 5 -100 -400 100 U 50 50 1 1 P -ENDDRAW -ENDDEF -# -# Device_C -# -DEF Device_C C 0 10 N Y 1 F N -F0 "C" 25 100 50 H V L CNN -F1 "Device_C" 25 -100 50 H V L CNN -F2 "" 38 -150 50 H I C CNN -F3 "" 0 0 50 H I C CNN -$FPLIST - C_* -$ENDFPLIST -DRAW -P 2 0 1 20 -80 -30 80 -30 N -P 2 0 1 20 -80 30 80 30 N -X ~ 1 0 150 110 D 50 50 1 1 P -X ~ 2 0 -150 110 U 50 50 1 1 P -ENDDRAW -ENDDEF -# -# Device_L -# -DEF Device_L L 0 40 N N 1 F N -F0 "L" -50 0 50 V V C CNN -F1 "Device_L" 75 0 50 V V C CNN -F2 "" 0 0 50 H I C CNN -F3 "" 0 0 50 H I C CNN -$FPLIST - Choke_* - *Coil* - Inductor_* - L_* -$ENDFPLIST -DRAW -A 0 -75 25 -899 899 0 1 0 N 0 -100 0 -50 -A 0 -25 25 -899 899 0 1 0 N 0 -50 0 0 -A 0 25 25 -899 899 0 1 0 N 0 0 0 50 -A 0 75 25 -899 899 0 1 0 N 0 50 0 100 -X 1 1 0 150 50 D 50 50 1 1 P -X 2 2 0 -150 50 U 50 50 1 1 P -ENDDRAW -ENDDEF -# -# Motor_Fan -# -DEF Motor_Fan M 0 0 Y Y 1 F N -F0 "M" 100 200 50 H V L CNN -F1 "Motor_Fan" 100 -100 50 H V L TNN -F2 "" 0 10 50 H I C CNN -F3 "" 0 10 50 H I C CNN -$FPLIST - PinHeader*P2.54mm* - TerminalBlock* -$ENDFPLIST -DRAW -A -98 94 113 297 -910 0 1 0 N 0 150 -100 -20 -A 0 -70 112 1534 266 0 1 0 N -100 -20 100 -20 -A 103 95 115 -915 1519 0 1 0 N 100 -20 0 150 -C 0 40 128 0 1 10 N -P 2 0 1 0 0 -200 0 -180 N -P 2 0 1 0 0 -88 0 -104 N -P 2 0 1 0 0 168 0 182 N -P 2 0 1 0 0 180 0 200 N -X + 1 0 300 100 D 50 50 1 1 P -X - 2 0 -200 100 U 50 50 1 1 P -ENDDRAW -ENDDEF -# -# Switch_SW_SPST -# -DEF Switch_SW_SPST SW 0 0 Y N 1 F N -F0 "SW" 0 125 50 H V C CNN -F1 "Switch_SW_SPST" 0 -100 50 H V C CNN -F2 "" 0 0 50 H I C CNN -F3 "" 0 0 50 H I C CNN -DRAW -C -80 0 20 0 0 0 N -C 80 0 20 0 0 0 N -P 2 0 0 0 -60 10 60 70 N -X A 1 -200 0 100 R 50 50 1 1 P -X B 2 200 0 100 L 50 50 1 1 P -ENDDRAW -ENDDEF -# -# power_GND -# -DEF power_GND #PWR 0 0 Y Y 1 F P -F0 "#PWR" 0 -250 50 H I C CNN -F1 "power_GND" 0 -150 50 H V C CNN -F2 "" 0 0 50 H I C CNN -F3 "" 0 0 50 H I C CNN -DRAW -P 6 0 1 0 0 0 0 -50 50 -50 0 -100 -50 -50 0 -50 N -X GND 1 0 0 0 D 50 50 1 1 W N -ENDDRAW -ENDDEF -# -#End Library diff --git a/misc/USB desk fan mod/schematic/cooler.kicad_pcb b/misc/USB desk fan mod/schematic/cooler.kicad_pcb deleted file mode 100644 index 02c8ecb..0000000 --- a/misc/USB desk fan mod/schematic/cooler.kicad_pcb +++ /dev/null @@ -1 +0,0 @@ -(kicad_pcb (version 4) (host kicad "dummy file") ) diff --git a/misc/USB desk fan mod/schematic/cooler.pro b/misc/USB desk fan mod/schematic/cooler.pro deleted file mode 100644 index 152769c..0000000 --- a/misc/USB desk fan mod/schematic/cooler.pro +++ /dev/null @@ -1,33 +0,0 @@ -update=22/05/2015 07:44:53 -version=1 -last_client=kicad -[general] -version=1 -RootSch= -BoardNm= -[pcbnew] -version=1 -LastNetListRead= -UseCmpFile=1 -PadDrill=0.600000000000 -PadDrillOvalY=0.600000000000 -PadSizeH=1.500000000000 -PadSizeV=1.500000000000 -PcbTextSizeV=1.500000000000 -PcbTextSizeH=1.500000000000 -PcbTextThickness=0.300000000000 -ModuleTextSizeV=1.000000000000 -ModuleTextSizeH=1.000000000000 -ModuleTextSizeThickness=0.150000000000 -SolderMaskClearance=0.000000000000 -SolderMaskMinWidth=0.000000000000 -DrawSegmentWidth=0.200000000000 -BoardOutlineThickness=0.100000000000 -ModuleOutlineThickness=0.150000000000 -[cvpcb] -version=1 -NetIExt=net -[eeschema] -version=1 -LibDir= -[eeschema/libraries] diff --git a/misc/USB desk fan mod/schematic/cooler.sch b/misc/USB desk fan mod/schematic/cooler.sch deleted file mode 100644 index 71e62df..0000000 --- a/misc/USB desk fan mod/schematic/cooler.sch +++ /dev/null @@ -1,203 +0,0 @@ -EESchema Schematic File Version 4 -EELAYER 30 0 -EELAYER END -$Descr A4 11693 8268 -encoding utf-8 -Sheet 1 2 -Title "" -Date "" -Rev "" -Comp "" -Comment1 "" -Comment2 "" -Comment3 "" -Comment4 "" -$EndDescr -$Comp -L Connector:Jack-DC J1 -U 1 1 5F2FD982 -P 5800 2250 -F 0 "J1" H 5857 2575 50 0000 C CNN -F 1 "Jack-DC" H 5857 2484 50 0000 C CNN -F 2 "" H 5850 2210 50 0001 C CNN -F 3 "~" H 5850 2210 50 0001 C CNN - 1 5800 2250 - 1 0 0 -1 -$EndComp -$Comp -L Connector:USB_A J3 -U 1 1 5F2FEA01 -P 5800 3000 -F 0 "J3" H 5857 3467 50 0000 C CNN -F 1 "USB_A" H 5857 3376 50 0000 C CNN -F 2 "" H 5950 2950 50 0001 C CNN -F 3 " ~" H 5950 2950 50 0001 C CNN - 1 5800 3000 - 1 0 0 -1 -$EndComp -$Comp -L Device:L L1 -U 1 1 5F300800 -P 6600 2400 -F 0 "L1" V 6419 2400 50 0000 C CNN -F 1 "L" V 6510 2400 50 0000 C CNN -F 2 "" H 6600 2400 50 0001 C CNN -F 3 "~" H 6600 2400 50 0001 C CNN - 1 6600 2400 - 1 0 0 -1 -$EndComp -$Comp -L Switch:SW_SPST SW1 -U 1 1 5F301417 -P 6600 3100 -F 0 "SW1" H 6600 3335 50 0000 C CNN -F 1 "SW_SPST" H 6600 3244 50 0000 C CNN -F 2 "" H 6600 3100 50 0001 C CNN -F 3 "~" H 6600 3100 50 0001 C CNN - 1 6600 3100 - 0 -1 -1 0 -$EndComp -$Sheet -S 6750 3150 850 450 -U 5F3090BB -F0 "DCDC stepdown" 50 -F1 "DCDC_stepdown.sch" 50 -F2 "Vin" I L 6750 3300 50 -F3 "Vout" O R 7600 3300 50 -F4 "GND" U R 7600 3500 50 -$EndSheet -Wire Wire Line - 7600 3500 7750 3500 -Wire Wire Line - 7750 3500 7750 3900 -$Comp -L Motor:Fan M1 -U 1 1 5F30D281 -P 8000 3650 -F 0 "M1" H 8158 3746 50 0000 L CNN -F 1 "Fan" H 8158 3655 50 0000 L CNN -F 2 "" H 8000 3660 50 0001 C CNN -F 3 "~" H 8000 3660 50 0001 C CNN - 1 8000 3650 - 1 0 0 -1 -$EndComp -Wire Wire Line - 8000 3850 8000 3900 -Wire Wire Line - 8000 3900 7750 3900 -Wire Wire Line - 8000 3350 8000 3300 -Wire Wire Line - 8000 3300 7600 3300 -Wire Wire Line - 6600 3300 6750 3300 -$Comp -L Connector:USB_A J2 -U 1 1 5F2FDD54 -P 5800 4050 -F 0 "J2" H 5857 4517 50 0000 C CNN -F 1 "USB_A" H 5857 4426 50 0000 C CNN -F 2 "" H 5950 4000 50 0001 C CNN -F 3 " ~" H 5950 4000 50 0001 C CNN - 1 5800 4050 - 1 0 0 -1 -$EndComp -$Comp -L power:GND #PWR05 -U 1 1 5F33C53A -P 7750 4000 -F 0 "#PWR05" H 7750 3750 50 0001 C CNN -F 1 "GND" H 7755 3827 50 0000 C CNN -F 2 "" H 7750 4000 50 0001 C CNN -F 3 "" H 7750 4000 50 0001 C CNN - 1 7750 4000 - 1 0 0 -1 -$EndComp -Wire Wire Line - 7750 3900 7750 4000 -Connection ~ 7750 3900 -$Comp -L power:GND #PWR03 -U 1 1 5F340A00 -P 6100 2500 -F 0 "#PWR03" H 6100 2250 50 0001 C CNN -F 1 "GND" H 6105 2327 50 0000 C CNN -F 2 "" H 6100 2500 50 0001 C CNN -F 3 "" H 6100 2500 50 0001 C CNN - 1 6100 2500 - 1 0 0 -1 -$EndComp -Wire Wire Line - 6100 2500 6100 2350 -Wire Wire Line - 6100 2150 6350 2150 -Wire Wire Line - 6350 2150 6350 2800 -Wire Wire Line - 6100 2800 6350 2800 -Connection ~ 6350 2800 -$Comp -L power:GND #PWR01 -U 1 1 5F3100AA -P 5800 3500 -F 0 "#PWR01" H 5800 3250 50 0001 C CNN -F 1 "GND" H 5805 3327 50 0000 C CNN -F 2 "" H 5800 3500 50 0001 C CNN -F 3 "" H 5800 3500 50 0001 C CNN - 1 5800 3500 - 1 0 0 -1 -$EndComp -$Comp -L power:GND #PWR02 -U 1 1 5F3104D0 -P 5800 4550 -F 0 "#PWR02" H 5800 4300 50 0001 C CNN -F 1 "GND" H 5805 4377 50 0000 C CNN -F 2 "" H 5800 4550 50 0001 C CNN -F 3 "" H 5800 4550 50 0001 C CNN - 1 5800 4550 - 1 0 0 -1 -$EndComp -Wire Wire Line - 5800 3500 5800 3400 -Wire Wire Line - 5800 4550 5800 4450 -Wire Wire Line - 6350 2150 6600 2150 -Wire Wire Line - 6600 2150 6600 2250 -Connection ~ 6350 2150 -Wire Wire Line - 6600 2900 6600 2550 -Wire Wire Line - 6100 3850 6350 3850 -Wire Wire Line - 6350 2800 6350 3850 -$Comp -L Device:C C1 -U 1 1 5F321361 -P 6350 4150 -F 0 "C1" H 6465 4196 50 0000 L CNN -F 1 "C" H 6465 4105 50 0000 L CNN -F 2 "" H 6388 4000 50 0001 C CNN -F 3 "~" H 6350 4150 50 0001 C CNN - 1 6350 4150 - 1 0 0 -1 -$EndComp -Wire Wire Line - 6350 4000 6350 3850 -Connection ~ 6350 3850 -$Comp -L power:GND #PWR04 -U 1 1 5F321B30 -P 6350 4450 -F 0 "#PWR04" H 6350 4200 50 0001 C CNN -F 1 "GND" H 6355 4277 50 0000 C CNN -F 2 "" H 6350 4450 50 0001 C CNN -F 3 "" H 6350 4450 50 0001 C CNN - 1 6350 4450 - 1 0 0 -1 -$EndComp -Wire Wire Line - 6350 4450 6350 4300 -$EndSCHEMATC diff --git a/misc/USB desk fan mod/schematic/cooler.sch-bak b/misc/USB desk fan mod/schematic/cooler.sch-bak deleted file mode 100644 index 344389d..0000000 --- a/misc/USB desk fan mod/schematic/cooler.sch-bak +++ /dev/null @@ -1,199 +0,0 @@ -EESchema Schematic File Version 4 -EELAYER 30 0 -EELAYER END -$Descr A4 11693 8268 -encoding utf-8 -Sheet 1 2 -Title "" -Date "" -Rev "" -Comp "" -Comment1 "" -Comment2 "" -Comment3 "" -Comment4 "" -$EndDescr -$Comp -L Connector:Jack-DC J1 -U 1 1 5F2FD982 -P 5800 2250 -F 0 "J1" H 5857 2575 50 0000 C CNN -F 1 "Jack-DC" H 5857 2484 50 0000 C CNN -F 2 "" H 5850 2210 50 0001 C CNN -F 3 "~" H 5850 2210 50 0001 C CNN - 1 5800 2250 - 1 0 0 -1 -$EndComp -$Comp -L Connector:USB_A J3 -U 1 1 5F2FEA01 -P 6800 3250 -F 0 "J3" H 6857 3717 50 0000 C CNN -F 1 "USB_A" H 6857 3626 50 0000 C CNN -F 2 "" H 6950 3200 50 0001 C CNN -F 3 " ~" H 6950 3200 50 0001 C CNN - 1 6800 3250 - -1 0 0 1 -$EndComp -Wire Wire Line - 6250 3250 6500 3250 -$Comp -L Device:L L1 -U 1 1 5F300800 -P 6750 2150 -F 0 "L1" V 6569 2150 50 0000 C CNN -F 1 "L" V 6660 2150 50 0000 C CNN -F 2 "" H 6750 2150 50 0001 C CNN -F 3 "~" H 6750 2150 50 0001 C CNN - 1 6750 2150 - 0 1 1 0 -$EndComp -$Comp -L Switch:SW_SPST SW1 -U 1 1 5F301417 -P 6950 2450 -F 0 "SW1" H 6950 2685 50 0000 C CNN -F 1 "SW_SPST" H 6950 2594 50 0000 C CNN -F 2 "" H 6950 2450 50 0001 C CNN -F 3 "~" H 6950 2450 50 0001 C CNN - 1 6950 2450 - 0 -1 -1 0 -$EndComp -Wire Wire Line - 6600 2150 6400 2150 -$Sheet -S 7100 2500 850 450 -U 5F3090BB -F0 "DCDC stepdown" 50 -F1 "DCDC_stepdown.sch" 50 -F2 "Vin" I L 7100 2650 50 -F3 "Vout" O R 7950 2650 50 -F4 "GND" U R 7950 2850 50 -$EndSheet -Wire Wire Line - 7950 2850 8100 2850 -Wire Wire Line - 8100 2850 8100 3250 -$Comp -L Device:C C1 -U 1 1 5F30C054 -P 6400 2700 -F 0 "C1" H 6515 2746 50 0000 L CNN -F 1 "C" H 6515 2655 50 0000 L CNN -F 2 "" H 6438 2550 50 0001 C CNN -F 3 "~" H 6400 2700 50 0001 C CNN - 1 6400 2700 - 1 0 0 -1 -$EndComp -Wire Wire Line - 6400 2550 6400 2150 -$Comp -L Motor:Fan M1 -U 1 1 5F30D281 -P 8350 3000 -F 0 "M1" H 8508 3096 50 0000 L CNN -F 1 "Fan" H 8508 3005 50 0000 L CNN -F 2 "" H 8350 3010 50 0001 C CNN -F 3 "~" H 8350 3010 50 0001 C CNN - 1 8350 3000 - 1 0 0 -1 -$EndComp -Wire Wire Line - 8350 3200 8350 3250 -Wire Wire Line - 8350 3250 8100 3250 -Wire Wire Line - 8350 2700 8350 2650 -Wire Wire Line - 8350 2650 7950 2650 -Wire Wire Line - 6950 2250 6950 2150 -Wire Wire Line - 6950 2150 6900 2150 -Wire Wire Line - 6950 2650 7100 2650 -$Comp -L Connector:USB_A J2 -U 1 1 5F2FDD54 -P 6800 4200 -F 0 "J2" H 6857 4667 50 0000 C CNN -F 1 "USB_A" H 6857 4576 50 0000 C CNN -F 2 "" H 6950 4150 50 0001 C CNN -F 3 " ~" H 6950 4150 50 0001 C CNN - 1 6800 4200 - -1 0 0 1 -$EndComp -Wire Wire Line - 6500 4100 6400 4100 -Wire Wire Line - 6250 4200 6250 3250 -Wire Wire Line - 6250 4200 6500 4200 -Wire Wire Line - 6250 2150 6400 2150 -Connection ~ 6250 3250 -Connection ~ 6400 2150 -$Comp -L power:GND #PWR? -U 1 1 5F33C53A -P 8100 3350 -F 0 "#PWR?" H 8100 3100 50 0001 C CNN -F 1 "GND" H 8105 3177 50 0000 C CNN -F 2 "" H 8100 3350 50 0001 C CNN -F 3 "" H 8100 3350 50 0001 C CNN - 1 8100 3350 - 1 0 0 -1 -$EndComp -Wire Wire Line - 8100 3250 8100 3350 -Connection ~ 8100 3250 -$Comp -L power:GND #PWR? -U 1 1 5F340A00 -P 6100 2500 -F 0 "#PWR?" H 6100 2250 50 0001 C CNN -F 1 "GND" H 6105 2327 50 0000 C CNN -F 2 "" H 6100 2500 50 0001 C CNN -F 3 "" H 6100 2500 50 0001 C CNN - 1 6100 2500 - 1 0 0 -1 -$EndComp -Wire Wire Line - 6100 2500 6100 2350 -Wire Wire Line - 6100 2150 6250 2150 -Connection ~ 6250 2150 -Wire Wire Line - 6250 2150 6250 3250 -$Comp -L power:GND #PWR? -U 1 1 5F34448E -P 6400 4300 -F 0 "#PWR?" H 6400 4050 50 0001 C CNN -F 1 "GND" H 6405 4127 50 0000 C CNN -F 2 "" H 6400 4300 50 0001 C CNN -F 3 "" H 6400 4300 50 0001 C CNN - 1 6400 4300 - 1 0 0 -1 -$EndComp -Wire Wire Line - 6400 4300 6400 4100 -$Comp -L power:GND #PWR? -U 1 1 5F344A85 -P 6400 3350 -F 0 "#PWR?" H 6400 3100 50 0001 C CNN -F 1 "GND" H 6405 3177 50 0000 C CNN -F 2 "" H 6400 3350 50 0001 C CNN -F 3 "" H 6400 3350 50 0001 C CNN - 1 6400 3350 - 1 0 0 -1 -$EndComp -Wire Wire Line - 6400 3350 6400 3150 -Wire Wire Line - 6400 3150 6500 3150 -Wire Wire Line - 6400 2850 6400 3150 -Connection ~ 6400 3150 -$EndSCHEMATC diff --git a/misc/USB desk fan mod/schematic/fp-info-cache b/misc/USB desk fan mod/schematic/fp-info-cache deleted file mode 100644 index 573541a..0000000 --- a/misc/USB desk fan mod/schematic/fp-info-cache +++ /dev/null @@ -1 +0,0 @@ -0 diff --git a/misc/adjustable resistor/KiCad project/project-cache.lib b/misc/adjustable resistor/KiCad project/project-cache.lib deleted file mode 100644 index 93f6eb9..0000000 --- a/misc/adjustable resistor/KiCad project/project-cache.lib +++ /dev/null @@ -1,86 +0,0 @@ -EESchema-LIBRARY Version 2.4 -#encoding utf-8 -# -# Connector_USB_A -# -DEF Connector_USB_A J 0 40 Y Y 1 F N -F0 "J" -200 450 50 H V L CNN -F1 "Connector_USB_A" -200 350 50 H V L CNN -F2 "" 150 -50 50 H I C CNN -F3 "" 150 -50 50 H I C CNN -$FPLIST - USB* -$ENDFPLIST -DRAW -C -150 85 25 0 1 10 F -C -25 135 15 0 1 10 F -S -200 -300 200 300 0 1 10 f -S -60 190 -170 210 0 1 0 F -S -50 180 -180 230 0 1 0 N -S -5 -300 5 -270 0 1 0 N -S 10 50 -20 20 0 1 10 F -S 200 -105 170 -95 0 1 0 N -S 200 -5 170 5 0 1 0 N -S 200 195 170 205 0 1 0 N -P 4 0 1 10 -125 85 -100 85 -50 135 -25 135 N -P 4 0 1 10 -100 85 -75 85 -50 35 0 35 N -P 4 0 1 10 25 110 25 60 75 85 25 110 F -P 2 1 1 10 -75 85 25 85 N -X VBUS 1 300 200 100 L 50 50 1 1 W -X D- 2 300 -100 100 L 50 50 1 1 P -X D+ 3 300 0 100 L 50 50 1 1 P -X GND 4 0 -400 100 U 50 50 1 1 W -X Shield 5 -100 -400 100 U 50 50 1 1 P -ENDDRAW -ENDDEF -# -# Device_Lamp -# -DEF Device_Lamp LA 0 1 N N 1 F N -F0 "LA" 25 150 50 H V L CNN -F1 "Device_Lamp" 25 -150 50 H V L CNN -F2 "" 0 100 50 V I C CNN -F3 "" 0 100 50 V I C CNN -DRAW -C 0 0 100 0 1 0 N -P 2 0 1 0 -70 70 70 -70 N -P 2 0 1 0 70 70 -70 -70 N -X - 1 0 -200 100 U 50 50 1 1 P -X + 2 0 200 100 D 50 50 1 1 P -ENDDRAW -ENDDEF -# -# Device_R -# -DEF Device_R R 0 0 N Y 1 F N -F0 "R" 80 0 50 V V C CNN -F1 "Device_R" 0 0 50 V V C CNN -F2 "" -70 0 50 V I C CNN -F3 "" 0 0 50 H I C CNN -$FPLIST - R_* -$ENDFPLIST -DRAW -S -40 -100 40 100 0 1 10 N -X ~ 1 0 150 50 D 50 50 1 1 P -X ~ 2 0 -150 50 U 50 50 1 1 P -ENDDRAW -ENDDEF -# -# Switch_SW_SPST -# -DEF Switch_SW_SPST SW 0 0 Y N 1 F N -F0 "SW" 0 125 50 H V C CNN -F1 "Switch_SW_SPST" 0 -100 50 H V C CNN -F2 "" 0 0 50 H I C CNN -F3 "" 0 0 50 H I C CNN -DRAW -C -80 0 20 0 0 0 N -C 80 0 20 0 0 0 N -P 2 0 0 0 -60 10 60 70 N -X A 1 -200 0 100 R 50 50 1 1 P -X B 2 200 0 100 L 50 50 1 1 P -ENDDRAW -ENDDEF -# -#End Library diff --git a/misc/adjustable resistor/KiCad project/project.kicad_pcb b/misc/adjustable resistor/KiCad project/project.kicad_pcb deleted file mode 100644 index 02c8ecb..0000000 --- a/misc/adjustable resistor/KiCad project/project.kicad_pcb +++ /dev/null @@ -1 +0,0 @@ -(kicad_pcb (version 4) (host kicad "dummy file") ) diff --git a/misc/adjustable resistor/KiCad project/project.pro b/misc/adjustable resistor/KiCad project/project.pro deleted file mode 100644 index 152769c..0000000 --- a/misc/adjustable resistor/KiCad project/project.pro +++ /dev/null @@ -1,33 +0,0 @@ -update=22/05/2015 07:44:53 -version=1 -last_client=kicad -[general] -version=1 -RootSch= -BoardNm= -[pcbnew] -version=1 -LastNetListRead= -UseCmpFile=1 -PadDrill=0.600000000000 -PadDrillOvalY=0.600000000000 -PadSizeH=1.500000000000 -PadSizeV=1.500000000000 -PcbTextSizeV=1.500000000000 -PcbTextSizeH=1.500000000000 -PcbTextThickness=0.300000000000 -ModuleTextSizeV=1.000000000000 -ModuleTextSizeH=1.000000000000 -ModuleTextSizeThickness=0.150000000000 -SolderMaskClearance=0.000000000000 -SolderMaskMinWidth=0.000000000000 -DrawSegmentWidth=0.200000000000 -BoardOutlineThickness=0.100000000000 -ModuleOutlineThickness=0.150000000000 -[cvpcb] -version=1 -NetIExt=net -[eeschema] -version=1 -LibDir= -[eeschema/libraries] diff --git a/misc/adjustable resistor/KiCad project/project.sch b/misc/adjustable resistor/KiCad project/project.sch deleted file mode 100644 index ba9c2ca..0000000 --- a/misc/adjustable resistor/KiCad project/project.sch +++ /dev/null @@ -1,559 +0,0 @@ -EESchema Schematic File Version 4 -EELAYER 30 0 -EELAYER END -$Descr A4 11693 8268 -encoding utf-8 -Sheet 1 1 -Title "" -Date "" -Rev "" -Comp "" -Comment1 "" -Comment2 "" -Comment3 "" -Comment4 "" -$EndDescr -$Comp -L Connector:USB_A J1 -U 1 1 5F4101A8 -P 4150 3000 -F 0 "J1" H 4207 3467 50 0000 C CNN -F 1 "USB_A" H 4207 3376 50 0000 C CNN -F 2 "" H 4300 2950 50 0001 C CNN -F 3 " ~" H 4300 2950 50 0001 C CNN - 1 4150 3000 - 1 0 0 -1 -$EndComp -Wire Wire Line - 4450 3100 4550 3100 -Wire Wire Line - 4550 3000 4450 3000 -$Comp -L Switch:SW_SPST SW3 -U 1 1 5F410F20 -P 4750 4400 -F 0 "SW3" H 4750 4635 50 0000 C CNN -F 1 "SW_SPST" H 4750 4544 50 0000 C CNN -F 2 "" H 4750 4400 50 0001 C CNN -F 3 "~" H 4750 4400 50 0001 C CNN - 1 4750 4400 - 1 0 0 -1 -$EndComp -$Comp -L Device:R R2 -U 1 1 5F411557 -P 4750 4650 -F 0 "R2" V 4543 4650 50 0000 C CNN -F 1 "8" V 4634 4650 50 0000 C CNN -F 2 "" V 4680 4650 50 0001 C CNN -F 3 "~" H 4750 4650 50 0001 C CNN - 1 4750 4650 - 0 1 1 0 -$EndComp -Wire Wire Line - 4550 4400 4550 4650 -Wire Wire Line - 4550 4650 4600 4650 -$Comp -L Switch:SW_SPST SW6 -U 1 1 5F4130F6 -P 5250 4400 -F 0 "SW6" H 5250 4635 50 0000 C CNN -F 1 "SW_SPST" H 5250 4544 50 0000 C CNN -F 2 "" H 5250 4400 50 0001 C CNN -F 3 "~" H 5250 4400 50 0001 C CNN - 1 5250 4400 - 1 0 0 -1 -$EndComp -$Comp -L Device:R R4 -U 1 1 5F413100 -P 5250 4650 -F 0 "R4" V 5043 4650 50 0000 C CNN -F 1 "4" V 5134 4650 50 0000 C CNN -F 2 "" V 5180 4650 50 0001 C CNN -F 3 "~" H 5250 4650 50 0001 C CNN - 1 5250 4650 - 0 1 1 0 -$EndComp -Wire Wire Line - 5000 4650 5100 4650 -Wire Wire Line - 4950 4400 5000 4400 -Wire Wire Line - 5000 4400 5000 4650 -Connection ~ 5000 4400 -Wire Wire Line - 5000 4400 5050 4400 -Wire Wire Line - 4900 4650 5000 4650 -Connection ~ 5000 4650 -$Comp -L Switch:SW_SPST SW9 -U 1 1 5F416C6C -P 5750 4400 -F 0 "SW9" H 5750 4635 50 0000 C CNN -F 1 "SW_SPST" H 5750 4544 50 0000 C CNN -F 2 "" H 5750 4400 50 0001 C CNN -F 3 "~" H 5750 4400 50 0001 C CNN - 1 5750 4400 - 1 0 0 -1 -$EndComp -$Comp -L Device:R R6 -U 1 1 5F416C76 -P 5750 4650 -F 0 "R6" V 5543 4650 50 0000 C CNN -F 1 "2" V 5634 4650 50 0000 C CNN -F 2 "" V 5680 4650 50 0001 C CNN -F 3 "~" H 5750 4650 50 0001 C CNN - 1 5750 4650 - 0 1 1 0 -$EndComp -Wire Wire Line - 5500 4650 5600 4650 -Wire Wire Line - 5450 4400 5500 4400 -Wire Wire Line - 5500 4400 5500 4650 -Connection ~ 5500 4400 -Wire Wire Line - 5500 4400 5550 4400 -Wire Wire Line - 5400 4650 5500 4650 -Connection ~ 5500 4650 -$Comp -L Switch:SW_SPST SW12 -U 1 1 5F41B671 -P 6250 4400 -F 0 "SW12" H 6250 4635 50 0000 C CNN -F 1 "SW_SPST" H 6250 4544 50 0000 C CNN -F 2 "" H 6250 4400 50 0001 C CNN -F 3 "~" H 6250 4400 50 0001 C CNN - 1 6250 4400 - 1 0 0 -1 -$EndComp -$Comp -L Device:R R8 -U 1 1 5F41B67B -P 6250 4650 -F 0 "R8" V 6043 4650 50 0000 C CNN -F 1 "1" V 6134 4650 50 0000 C CNN -F 2 "" V 6180 4650 50 0001 C CNN -F 3 "~" H 6250 4650 50 0001 C CNN - 1 6250 4650 - 0 1 1 0 -$EndComp -$Comp -L Switch:SW_SPST SW15 -U 1 1 5F41B686 -P 6750 4400 -F 0 "SW15" H 6750 4635 50 0000 C CNN -F 1 "SW_SPST" H 6750 4544 50 0000 C CNN -F 2 "" H 6750 4400 50 0001 C CNN -F 3 "~" H 6750 4400 50 0001 C CNN - 1 6750 4400 - 1 0 0 -1 -$EndComp -$Comp -L Device:R R11 -U 1 1 5F41B690 -P 6750 4650 -F 0 "R11" V 6543 4650 50 0000 C CNN -F 1 "0.5" V 6634 4650 50 0000 C CNN -F 2 "" V 6680 4650 50 0001 C CNN -F 3 "~" H 6750 4650 50 0001 C CNN - 1 6750 4650 - 0 1 1 0 -$EndComp -Wire Wire Line - 6500 4650 6600 4650 -Wire Wire Line - 6450 4400 6500 4400 -Wire Wire Line - 6500 4400 6500 4650 -Connection ~ 6500 4400 -Wire Wire Line - 6500 4400 6550 4400 -Wire Wire Line - 6400 4650 6500 4650 -Connection ~ 6500 4650 -Wire Wire Line - 6950 4400 7000 4400 -Wire Wire Line - 7000 4400 7000 4650 -Wire Wire Line - 6900 4650 7000 4650 -Wire Wire Line - 5900 4650 6000 4650 -Wire Wire Line - 5950 4400 6000 4400 -Wire Wire Line - 6000 4400 6000 4650 -Connection ~ 6000 4400 -Wire Wire Line - 6000 4400 6050 4400 -Connection ~ 6000 4650 -Wire Wire Line - 6000 4650 6100 4650 -$Comp -L Switch:SW_SPST SW2 -U 1 1 5F42FD9A -P 4750 3550 -F 0 "SW2" H 4750 3785 50 0000 C CNN -F 1 "SW_SPST" H 4750 3694 50 0000 C CNN -F 2 "" H 4750 3550 50 0001 C CNN -F 3 "~" H 4750 3550 50 0001 C CNN - 1 4750 3550 - 1 0 0 -1 -$EndComp -$Comp -L Device:R R1 -U 1 1 5F42FDA4 -P 4750 3800 -F 0 "R1" V 4543 3800 50 0000 C CNN -F 1 "256" V 4634 3800 50 0000 C CNN -F 2 "" V 4680 3800 50 0001 C CNN -F 3 "~" H 4750 3800 50 0001 C CNN - 1 4750 3800 - 0 1 1 0 -$EndComp -Wire Wire Line - 4550 3550 4550 3800 -Wire Wire Line - 4550 3800 4600 3800 -$Comp -L Switch:SW_SPST SW5 -U 1 1 5F42FDB0 -P 5250 3550 -F 0 "SW5" H 5250 3785 50 0000 C CNN -F 1 "SW_SPST" H 5250 3694 50 0000 C CNN -F 2 "" H 5250 3550 50 0001 C CNN -F 3 "~" H 5250 3550 50 0001 C CNN - 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1 6750 2750 - 1 0 0 -1 -$EndComp -$Comp -L Device:R R9 -U 1 1 5F445A44 -P 6750 3000 -F 0 "R9" V 6543 3000 50 0000 C CNN -F 1 "512" V 6634 3000 50 0000 C CNN -F 2 "" V 6680 3000 50 0001 C CNN -F 3 "~" H 6750 3000 50 0001 C CNN - 1 6750 3000 - 0 1 1 0 -$EndComp -Wire Wire Line - 6500 3000 6600 3000 -Wire Wire Line - 6450 2750 6500 2750 -Wire Wire Line - 6500 2750 6500 3000 -Connection ~ 6500 2750 -Wire Wire Line - 6500 2750 6550 2750 -Wire Wire Line - 6950 2750 7000 2750 -Wire Wire Line - 7000 2750 7000 3000 -Wire Wire Line - 6900 3000 7000 3000 -Wire Wire Line - 5950 2750 6000 2750 -Wire Wire Line - 6000 2750 6000 3000 -Connection ~ 6000 2750 -Wire Wire Line - 6000 2750 6050 2750 -$Comp -L Device:Lamp LA4 -U 1 1 5F459AA3 -P 6250 3000 -F 0 "LA4" V 5985 3000 50 0000 C CNN -F 1 "Lamp" V 6076 3000 50 0000 C CNN -F 2 "" V 6250 3100 50 0001 C CNN -F 3 "~" V 6250 3100 50 0001 C CNN - 1 6250 3000 - 0 1 1 0 -$EndComp -Wire Wire Line - 6450 3000 6500 3000 -Connection ~ 6500 3000 -Wire Wire Line - 6050 3000 6000 3000 -$Comp -L Device:Lamp LA3 -U 1 1 5F48104F -P 5750 3000 -F 0 "LA3" V 5485 3000 50 0000 C CNN -F 1 "Lamp" V 5576 3000 50 0000 C CNN -F 2 "" V 5750 3100 50 0001 C CNN -F 3 "~" V 5750 3100 50 0001 C CNN - 1 5750 3000 - 0 1 1 0 -$EndComp -$Comp -L Device:Lamp LA2 -U 1 1 5F4819AC -P 5250 3000 -F 0 "LA2" V 4985 3000 50 0000 C CNN -F 1 "Lamp" V 5076 3000 50 0000 C CNN -F 2 "" V 5250 3100 50 0001 C CNN -F 3 "~" V 5250 3100 50 0001 C CNN - 1 5250 3000 - 0 1 1 0 -$EndComp -$Comp -L Device:Lamp LA1 -U 1 1 5F482195 -P 4750 3000 -F 0 "LA1" V 4485 3000 50 0000 C CNN -F 1 "Lamp" V 4576 3000 50 0000 C CNN -F 2 "" V 4750 3100 50 0001 C CNN -F 3 "~" V 4750 3100 50 0001 C CNN - 1 4750 3000 - 0 1 1 0 -$EndComp -Wire Wire Line - 4950 3000 5000 3000 -Wire Wire Line - 5000 3000 5050 3000 -Connection ~ 5000 3000 -Wire Wire Line - 5450 3000 5500 3000 -Wire Wire Line - 5500 3000 5550 3000 -Connection ~ 5500 3000 -Wire Wire Line - 5950 3000 6000 3000 -Connection ~ 6000 3000 -Wire Wire Line - 4550 4400 4550 4000 -Wire Wire Line - 4550 4000 7000 4000 -Wire Wire Line - 7000 4000 7000 3800 -Connection ~ 4550 4400 -Connection ~ 7000 3800 -Wire Wire Line - 4550 3550 4550 3200 -Wire Wire Line - 4550 3200 7000 3200 -Wire Wire Line - 7000 3200 7000 3000 -Connection ~ 4550 3550 -Connection ~ 7000 3000 -Wire Wire Line - 4250 3450 4250 3350 -Wire Wire Line - 4250 3350 4250 3000 -Wire Wire Line - 4250 3000 4550 3000 -Connection ~ 4250 3350 -Wire Wire Line - 4550 3000 4550 2750 -Connection ~ 4550 3000 -Wire Wire Line - 3750 3750 3750 4900 -Wire Wire Line - 3750 4900 7000 4900 -Wire Wire Line - 7000 4900 7000 4650 -Connection ~ 7000 4650 -$EndSCHEMATC diff --git a/misc/adjustable resistor/back cover.png b/misc/adjustable resistor/back cover.png deleted file mode 100644 index 05416df..0000000 Binary files a/misc/adjustable resistor/back cover.png and /dev/null differ diff --git a/misc/adjustable resistor/back cover.stl b/misc/adjustable resistor/back cover.stl deleted file mode 100644 index ebc1663..0000000 Binary files a/misc/adjustable resistor/back cover.stl and /dev/null differ diff --git a/misc/adjustable resistor/body and back cover.FCStd b/misc/adjustable resistor/body and back cover.FCStd deleted file mode 100644 index 3d5d1ba..0000000 Binary files a/misc/adjustable resistor/body and back cover.FCStd and /dev/null differ diff --git a/misc/adjustable resistor/body.png b/misc/adjustable resistor/body.png deleted file mode 100644 index a352887..0000000 Binary files a/misc/adjustable resistor/body.png and /dev/null differ diff --git a/misc/adjustable resistor/body.stl b/misc/adjustable resistor/body.stl deleted file mode 100644 index 6825b56..0000000 Binary files a/misc/adjustable resistor/body.stl and /dev/null differ diff --git a/misc/adjustable resistor/button.FCStd b/misc/adjustable resistor/button.FCStd deleted file mode 100644 index f03f49c..0000000 Binary files a/misc/adjustable resistor/button.FCStd and /dev/null differ diff --git a/misc/adjustable resistor/button.png b/misc/adjustable resistor/button.png deleted file mode 100644 index b8eaa66..0000000 Binary files a/misc/adjustable resistor/button.png and /dev/null differ diff --git a/misc/adjustable resistor/button.stl b/misc/adjustable resistor/button.stl deleted file mode 100644 index ce6645e..0000000 Binary files a/misc/adjustable resistor/button.stl and /dev/null differ diff --git a/misc/adjustable resistor/front panel.FCStd b/misc/adjustable resistor/front panel.FCStd deleted file mode 100644 index 79a1805..0000000 Binary files a/misc/adjustable resistor/front panel.FCStd and /dev/null differ diff --git a/misc/adjustable resistor/front panel.png b/misc/adjustable resistor/front panel.png deleted file mode 100644 index 5678fe7..0000000 Binary files a/misc/adjustable resistor/front panel.png and /dev/null differ diff --git a/misc/adjustable resistor/front panel.stl b/misc/adjustable resistor/front panel.stl deleted file mode 100644 index 3ca5150..0000000 Binary files a/misc/adjustable resistor/front panel.stl and /dev/null differ diff --git a/misc/adjustable resistor/index.html b/misc/adjustable resistor/index.html deleted file mode 100644 index 2ab6a34..0000000 --- a/misc/adjustable resistor/index.html +++ /dev/null @@ -1,371 +0,0 @@ - - - -Adjustable resistor / indicator - - - - - - - - - - - - - -
-

Adjustable resistor / indicator

- -
-

1 General

-
- -
-
- -
-

2 Project description

-
-

-I needed a way to experimentally find resistance that works best in -certain circuits. Usual potentiometers could not handle required power -dissipation and were not precise enough. -

- -

-Solution is to build adjustable resistor: -

- - -
-

make.png -

-
- -

-Logically there is series of resistors that increase in resistance in -the power of 2: 0.5, 1, 2, 4, 8, 16, 32, 64, 128, 256, 512. Each -resistor can be enabled or disabled by a switch. This makes entire -range of 0 – 1023.5 ohms available with the 0.5 ohms precision. -

- -

-Schematic: -schematic.png -

- -

-Here is front panel for switches: -front%20panel.png -

- -

-Download: -

- - -

-Sometimes I would like to use lightbulbs with various parameters as -test load/indicator. Current device has 4 of them included. -

- -

-Here is front panel for light bulbs: -indicator%20panel.png -

- -

-Download: -

- - - -

-After assembly using prototype PCB: -make,%202.png -

- - -

-Following body is used as a case and PCB support: -body.png -

- -

-Download: -

- - -

-Result: -make,%203.png -

- -

-Cover on the back: -back%20cover.png -

- -

-Download: STL file -

- -

-Button covers: -button.png -

- -

-Download: -

- -
-
-
-
-
-

Author: Svjatoslav Agejenko

-

Created: 2020-08-22 L 15:39

-

Emacs 26.1 (Org-mode 9.1.9)

-
-
- - diff --git a/misc/adjustable resistor/index.org b/misc/adjustable resistor/index.org deleted file mode 100644 index f86a7d6..0000000 --- a/misc/adjustable resistor/index.org +++ /dev/null @@ -1,90 +0,0 @@ -#+TITLE: Adjustable resistor / indicator -#+AUTHOR: Svjatoslav Agejenko -#+LANGUAGE: en - -* (document settings) :noexport: -** use dark style for TWBS-HTML exporter -#+HTML_HEAD: -#+HTML_HEAD: -#+HTML_HEAD: -#+HTML_HEAD: - -* General -+ DISCLAIMER: I DO ELECTRONICS AND 3D DESIGN SOLELY AS A HOBBY. THERE - COULD BE ERRORS THAT CAN RESULT IN ALL KINDS OF DAMAGE. USE THESE - DESIGNS AT YOUR OWN RISK. - -+ This design is released under Creative Commons Zero (CC0) license. - -+ Author: - - Svjatoslav Agejenko - - Homepage: https://svjatoslav.eu - - Email: [[mailto://svjatoslav@svjatoslav.eu][svjatoslav@svjatoslav.eu]] - -+ See also: - - [[../../index.html][Other physical projects in this repository]] - - [[https://www.svjatoslav.eu/projects/][Other projects hosted at svjatoslav.eu]] - -* Project description -I needed a way to experimentally find resistance that works best in -certain circuits. Usual potentiometers could not handle required power -dissipation and were not precise enough. - -Solution is to build adjustable resistor: - -[[file:make.png]] - -Logically there is series of resistors that increase in resistance in -the power of 2: 0.5, 1, 2, 4, 8, 16, 32, 64, 128, 256, 512. Each -resistor can be enabled or disabled by a switch. This makes entire -range of 0 -- 1023.5 ohms available with the 0.5 ohms precision. - -Schematic: -[[file:schematic.png]] - -Here is front panel for switches: -[[file:front%20panel.png]] - -Download: -+ [[file:front%20panel.FCStd][FreeCAD project]] -+ [[file:front%20panel.stl][STL file]] - -Sometimes I would like to use lightbulbs with various parameters as -test load/indicator. Current device has 4 of them included. - -Here is front panel for light bulbs: -[[file:indicator%20panel.png]] - -Download: -+ [[file:indicator%20panel.FCStd][FreeCAD project]] -+ [[file:indicator%20panel.stl][STL file]] - - -After assembly using prototype PCB: -[[file:make,%202.png]] - - -Following body is used as a case and PCB support: -[[file:body.png]] - -Download: -+ [[file:body%20and%20back%20cover.FCStd][FreeCAD project (body + back cover)]] -+ [[file:body.stl][STL file for body]] - -Result: -[[file:make,%203.png]] - -Cover on the back: -[[file:back%20cover.png]] - -Download: [[file:back%20cover.stl][STL file]] - -Button covers: -[[file:button.png]] - -Download: -+ [[file:button.FCStd][FreeCAD project]] -+ [[file:button.stl][STL file]] diff --git a/misc/adjustable resistor/indicator panel.FCStd b/misc/adjustable resistor/indicator panel.FCStd deleted file mode 100644 index 5313829..0000000 Binary files a/misc/adjustable resistor/indicator panel.FCStd and /dev/null differ diff --git a/misc/adjustable resistor/indicator panel.png b/misc/adjustable resistor/indicator panel.png deleted file mode 100644 index 083b04b..0000000 Binary files a/misc/adjustable resistor/indicator panel.png and /dev/null differ diff --git a/misc/adjustable resistor/indicator panel.stl b/misc/adjustable resistor/indicator panel.stl deleted file mode 100644 index 2cc7da2..0000000 Binary files a/misc/adjustable resistor/indicator panel.stl and /dev/null differ diff --git a/misc/adjustable resistor/make, 2.png b/misc/adjustable resistor/make, 2.png deleted file mode 100644 index 5760b9d..0000000 Binary files a/misc/adjustable resistor/make, 2.png and /dev/null differ diff --git a/misc/adjustable resistor/make, 3.png b/misc/adjustable resistor/make, 3.png deleted file mode 100644 index f88ce8a..0000000 Binary files a/misc/adjustable resistor/make, 3.png and /dev/null differ diff --git a/misc/adjustable resistor/make.png b/misc/adjustable resistor/make.png deleted file mode 100644 index 1670f21..0000000 Binary files a/misc/adjustable resistor/make.png and /dev/null differ diff --git a/misc/adjustable resistor/schematic.png b/misc/adjustable resistor/schematic.png deleted file mode 100644 index 48b7226..0000000 Binary files a/misc/adjustable resistor/schematic.png and /dev/null differ diff --git a/misc/alternative USB layout/index.html b/misc/alternative USB layout/index.html deleted file mode 100644 index 9bbc08e..0000000 --- a/misc/alternative USB layout/index.html +++ /dev/null @@ -1,349 +0,0 @@ - - - -Alternative (and incompatible) layout for USB connectors - - - - - - - - - - - - - -
-

Alternative (and incompatible) layout for USB connectors

- -
-

1 General

-
- -
-
- -
-

2 Project description

-
-

-Warning! Here I describe a hack that I personally found useful for -my own needs. But it is dangerous. Not to be replicated unless you -know that you are doing. -

- - - -
-

make.png -

-
- -

-I needed a way to power various devices I build. -

- -

-Requirements: -

- -
    -
  • Reliable. -
    • -
  • Cheap. -
    • -
  • Easy to use. -
    • -
  • Popular and highly available. -
    • -
  • Ability to draw significant current directly from 12V cheap, popular -and powerful lead-acid battery (optionally off-grid). Useful for -powerful electric motors, heaters, soldering irons, radio -transmitters, etc. -
    • -
  • Ability to draw limited but stabilized 5V power. Good for digital -circuits. -
    • -
  • Ability to have limited and simple 1-wire digital communication. -
    • -
- -

-USB Type A connectors are best match that I found. -

- -

-The main problem is, I like USB connectors but I want to use different -and incompatible electrical layout with them. -

- -

-Connecting proper USB power supplies, devices and even cables to the -ones that use alternative electrical layout would do damage!!! -

- -

-To avoid accidental mismatches, I mark all connectors/cables and devices that -use alternative wiring with printed, laminated warning stickers. -

- -

-Alternative wiring schematic: -schematic.png -

- -
    -
  • Outer shell is ground. -
    • -
  • 2 central pins are re-purposed to deliver +12V and high power. -
    • -
  • 1 pin is for limited power +5V. -
    • -
  • 1 pin for 1-Wire data. -
    • -
- - -

-Example warning marking on device to indicate that alternative USB -layout is used here: -

- - -
-

make,%202.png -

-
-
-
-
-
-
-

Author: Svjatoslav Agejenko

-

Created: 2021-01-03 P 00:30

-

Emacs 26.1 (Org-mode 9.1.9)

-
-
- - diff --git a/misc/alternative USB layout/index.org b/misc/alternative USB layout/index.org deleted file mode 100644 index 307892e..0000000 --- a/misc/alternative USB layout/index.org +++ /dev/null @@ -1,81 +0,0 @@ -#+TITLE: Alternative (and incompatible) layout for USB connectors -#+author: Svjatoslav Agejenko -#+LANGUAGE: en - -* (document settings) :noexport: -** use dark style for TWBS-HTML exporter -#+HTML_HEAD: -#+HTML_HEAD: -#+HTML_HEAD: -#+HTML_HEAD: - -* General -+ DISCLAIMER: I DO ELECTRONICS AND 3D DESIGN SOLELY AS A HOBBY. THERE - COULD BE ERRORS THAT CAN RESULT IN ALL KINDS OF DAMAGE. USE THESE - DESIGNS AT YOUR OWN RISK. - -+ This design is released under Creative Commons Zero (CC0) license. - -+ Authors: - - Svjatoslav Agejenko - - Homepage: https://svjatoslav.eu - - Email: [[mailto://svjatoslav@svjatoslav.eu][svjatoslav@svjatoslav.eu]] - - - Valeria Agejenko - -+ See also: - - [[../../index.html][Other physical projects in this repository]] - - [[https://www.svjatoslav.eu/projects/][Other projects hosted at svjatoslav.eu]] - -* Project description - -*Warning!* Here I describe a hack that I personally found useful for -my own needs. But it is dangerous. Not to be replicated unless you -know that you are doing. - - -[[file:make.png]] - -I needed a way to power various devices I build. - -Requirements: - -- Reliable. -- Cheap. -- Easy to use. -- Popular and highly available. -- Ability to draw significant current directly from 12V cheap, popular - and powerful lead-acid battery (optionally off-grid). Useful for - powerful electric motors, heaters, soldering irons, radio - transmitters, etc. -- Ability to draw limited but stabilized 5V power. Good for digital - circuits. -- Ability to have limited and simple 1-wire digital communication. - -USB Type A connectors are best match that I found. - -The main problem is, I like USB connectors but I want to use different -and incompatible electrical layout with them. - -*Connecting proper USB power supplies, devices and even cables to the -ones that use alternative electrical layout would do damage!!!* - -To avoid accidental mismatches, I mark all connectors/cables and devices that -use alternative wiring with [[file:stickers.png][printed, laminated warning stickers]]. - -Alternative wiring schematic: -[[file:schematic.png]] - -- Outer shell is ground. -- 2 central pins are re-purposed to deliver +12V and high power. -- 1 pin is for limited power +5V. -- 1 pin for 1-Wire data. - - -Example warning marking on device to indicate that alternative USB -layout is used here: - -[[file:../lab%20heater%20and%20cooler/make,%202.png]] diff --git a/misc/alternative USB layout/make.png b/misc/alternative USB layout/make.png deleted file mode 100644 index b4b4468..0000000 Binary files a/misc/alternative USB layout/make.png and /dev/null differ diff --git a/misc/alternative USB layout/schematic.png b/misc/alternative USB layout/schematic.png deleted file mode 100644 index 842a1b2..0000000 Binary files a/misc/alternative USB layout/schematic.png and /dev/null differ diff --git a/misc/alternative USB layout/stickers.png b/misc/alternative USB layout/stickers.png deleted file mode 100644 index f4f12f2..0000000 Binary files a/misc/alternative USB layout/stickers.png and /dev/null differ diff --git a/misc/battery tester/assembly.png b/misc/battery tester/assembly.png deleted file mode 100644 index 34954b0..0000000 Binary files a/misc/battery tester/assembly.png and /dev/null differ diff --git a/misc/battery tester/body.png b/misc/battery tester/body.png deleted file mode 100644 index 3655d3e..0000000 Binary files a/misc/battery tester/body.png and /dev/null differ diff --git a/misc/battery tester/body.stl b/misc/battery tester/body.stl deleted file mode 100644 index 4df1eeb..0000000 Binary files a/misc/battery tester/body.stl and /dev/null differ diff --git a/misc/battery tester/bodyAndCover.FCStd b/misc/battery tester/bodyAndCover.FCStd deleted file mode 100644 index 5de56ec..0000000 Binary files a/misc/battery tester/bodyAndCover.FCStd and /dev/null differ diff --git a/misc/battery tester/cover.png b/misc/battery tester/cover.png deleted file mode 100644 index 0a5495f..0000000 Binary files a/misc/battery tester/cover.png and /dev/null differ diff --git a/misc/battery tester/cover.stl b/misc/battery tester/cover.stl deleted file mode 100644 index 05f6023..0000000 Binary files a/misc/battery tester/cover.stl and /dev/null differ diff --git a/misc/battery tester/electrical schematic.png b/misc/battery tester/electrical schematic.png deleted file mode 100644 index 6750882..0000000 Binary files a/misc/battery tester/electrical schematic.png and /dev/null differ diff --git a/misc/battery tester/index.html b/misc/battery tester/index.html deleted file mode 100644 index 3f14985..0000000 --- a/misc/battery tester/index.html +++ /dev/null @@ -1,323 +0,0 @@ - - - -AA and AAA battery tester - - - - - - - - - - - - - -
-

AA and AAA battery tester

- -
-

1 General

-
- -
-
- -
-

2 Project description

-
- -
-

make.png -

-
- - -
-

make,%202.png -

-
- -

-Simple rechargeable Ni-MH battery tester. The problem with those -batteries is: right after you take them out of charger, voltage level -at their terminals is good. But some old batteries will get -empty/discharged way too quickly under normal load. This device is -intended to discover old batteries with reduced capacity. -

- -

-Freshly charged batteries are tested under high load for short time by -shorting battery + and - terminals using 5 ohm power resistor -(R1). Simultaneously battery voltage is being measured while under -load. -

- - -
-

electrical%20schematic.png -

-
- -

-I use vintage analog voltmeter. Instead of power resistor I use -Nichrome resistance wire. Test/measurement button should not be -pressed for long because power resistor gets hot quickly and battery -is being quickly depleted during measurement. -

- - -
-

assembly.png -

-
- -
    -
  • Body: body.png -
    • -
  • Cover: cover.png -
    • - -
  • Download: - -
    • - -
  • PS: While this device is interesting to build, still you can just -use ordinary ammeter that can handle battery generated current. -
    • -
-
-
-
-
-
-

Author: Svjatoslav Agejenko

-

Created: 2020-05-24 P 23:55

-

Emacs 26.1 (Org-mode 9.1.9)

-
-
- - diff --git a/misc/battery tester/index.org b/misc/battery tester/index.org deleted file mode 100644 index 6e61e4f..0000000 --- a/misc/battery tester/index.org +++ /dev/null @@ -1,65 +0,0 @@ -#+TITLE: AA and AAA battery tester -#+AUTHOR: Svjatoslav Agejenko -#+LANGUAGE: en - -* (document settings) :noexport: -** use dark style for TWBS-HTML exporter -#+HTML_HEAD: -#+HTML_HEAD: -#+HTML_HEAD: -#+HTML_HEAD: - -* General -+ DISCLAIMER: I DO ELECTRONICS AND 3D DESIGN SOLELY AS A HOBBY. THERE - COULD BE ERRORS THAT CAN RESULT IN ALL KINDS OF DAMAGE. USE THESE - DESIGNS AT YOUR OWN RISK. - -+ This design is released under Creative Commons Zero (CC0) license. - -+ Author: - - Svjatoslav Agejenko - - Homepage: https://svjatoslav.eu - - Email: [[mailto://svjatoslav@svjatoslav.eu][svjatoslav@svjatoslav.eu]] - -+ See also: - - [[../../index.html][Other physical projects in this repository]] - - [[https://www.svjatoslav.eu/projects/][Other projects hosted at svjatoslav.eu]] - -* Project description -[[file:make.png]] - -[[file:make,%202.png]] - -Simple rechargeable Ni-MH battery tester. The problem with those -batteries is: right after you take them out of charger, voltage level -at their terminals is good. But some old batteries will get -empty/discharged way too quickly under normal load. This device is -intended to discover old batteries with reduced capacity. - -Freshly charged batteries are tested under high load for short time by -shorting battery + and - terminals using 5 ohm power resistor -(R1). Simultaneously battery voltage is being measured while under -load. - -[[file:electrical%20schematic.png]] - -I use vintage analog voltmeter. Instead of power resistor I use -Nichrome resistance wire. Test/measurement button should not be -pressed for long because power resistor gets hot quickly and battery -is being quickly depleted during measurement. - -[[file:assembly.png]] - -+ Body: [[file:body.png]] -+ Cover: [[file:cover.png]] - -+ Download: - + [[file:bodyAndCover.FCStd][FreeCAD project]] - + [[file:body.stl][body STL file]] - + [[file:cover.stl][cover STL file]] - -+ PS: While this device is interesting to build, still you can just - use ordinary ammeter that can handle battery generated current. diff --git a/misc/battery tester/make, 2.png b/misc/battery tester/make, 2.png deleted file mode 100644 index 1f8502b..0000000 Binary files a/misc/battery tester/make, 2.png and /dev/null differ diff --git a/misc/battery tester/make.png b/misc/battery tester/make.png deleted file mode 100644 index ffc5be1..0000000 Binary files a/misc/battery tester/make.png and /dev/null differ diff --git a/misc/battery tester/schematic-cache.lib b/misc/battery tester/schematic-cache.lib deleted file mode 100644 index 7bae858..0000000 --- a/misc/battery tester/schematic-cache.lib +++ /dev/null @@ -1,102 +0,0 @@ -EESchema-LIBRARY Version 2.4 -#encoding utf-8 -# -# Device_Battery -# -DEF Device_Battery BT 0 0 N N 1 F N -F0 "BT" 100 100 50 H V L CNN -F1 "Device_Battery" 100 0 50 H V L CNN -F2 "" 0 60 50 V I C CNN -F3 "" 0 60 50 V I C CNN -DRAW -S -80 -55 80 -65 0 1 0 F -S -80 70 80 60 0 1 0 F -S -52 -78 50 -98 0 1 0 F -S -52 47 50 27 0 1 0 F -P 2 0 1 0 0 -60 0 -50 N -P 2 0 1 0 0 -40 0 -30 N -P 2 0 1 0 0 -20 0 -10 N -P 2 0 1 0 0 0 0 10 N -P 2 0 1 0 0 20 0 30 N -P 2 0 1 0 0 70 0 100 N -P 2 0 1 10 10 105 50 105 N -P 2 0 1 10 30 125 30 85 N -X + 1 0 200 100 D 50 50 1 1 P -X - 2 0 -200 100 U 50 50 1 1 P -ENDDRAW -ENDDEF -# -# Device_R -# -DEF Device_R R 0 0 N Y 1 F N -F0 "R" 80 0 50 V V C CNN -F1 "Device_R" 0 0 50 V V C CNN -F2 "" -70 0 50 V I C CNN -F3 "" 0 0 50 H I C CNN -$FPLIST - R_* -$ENDFPLIST -DRAW -S -40 -100 40 100 0 1 10 N -X ~ 1 0 150 50 D 50 50 1 1 P -X ~ 2 0 -150 50 U 50 50 1 1 P -ENDDRAW -ENDDEF -# -# Device_R_POT -# -DEF Device_R_POT RV 0 40 Y N 1 F N -F0 "RV" -175 0 50 V V C CNN -F1 "Device_R_POT" -100 0 50 V V C CNN -F2 "" 0 0 50 H I C CNN -F3 "" 0 0 50 H I C CNN -$FPLIST - Potentiometer* -$ENDFPLIST -DRAW -S 40 100 -40 -100 0 1 10 N -P 2 0 1 0 100 0 60 0 N -P 4 0 1 0 45 0 90 20 90 -20 45 0 F -X 1 1 0 150 50 D 50 50 1 1 P -X 2 2 150 0 50 L 50 50 1 1 P -X 3 3 0 -150 50 U 50 50 1 1 P -ENDDRAW -ENDDEF -# -# Device_Voltmeter_DC -# -DEF Device_Voltmeter_DC MES 0 1 N N 1 F N -F0 "MES" -130 40 50 H V R CNN -F1 "Device_Voltmeter_DC" -130 -30 50 H V R CNN -F2 "" 0 100 50 V I C CNN -F3 "" 0 100 50 V I C CNN -DRAW -C 0 0 100 0 1 10 N -T 0 0 0 100 0 0 0 V Normal 0 C C -P 2 0 0 0 -125 -125 -75 -75 N -P 2 0 0 0 75 75 125 125 N -P 3 0 0 0 75 125 125 125 125 75 N -P 2 0 1 0 10 150 30 150 N -P 2 0 1 0 20 160 20 140 N -X - 1 0 -200 100 U 50 50 1 1 P -X + 2 0 200 100 D 50 50 1 1 P -ENDDRAW -ENDDEF -# -# Switch_SW_SPST -# -DEF Switch_SW_SPST SW 0 0 Y N 1 F N -F0 "SW" 0 125 50 H V C CNN -F1 "Switch_SW_SPST" 0 -100 50 H V C CNN -F2 "" 0 0 50 H I C CNN -F3 "" 0 0 50 H I C CNN -DRAW -C -80 0 20 0 0 0 N -C 80 0 20 0 0 0 N -P 2 0 0 0 -60 10 60 70 N -X A 1 -200 0 100 R 50 50 1 1 P -X B 2 200 0 100 L 50 50 1 1 P -ENDDRAW -ENDDEF -# -#End Library diff --git a/misc/battery tester/schematic.sch b/misc/battery tester/schematic.sch deleted file mode 100644 index a0c388a..0000000 --- a/misc/battery tester/schematic.sch +++ /dev/null @@ -1,108 +0,0 @@ -EESchema Schematic File Version 4 -EELAYER 30 0 -EELAYER END -$Descr A4 11693 8268 -encoding utf-8 -Sheet 1 1 -Title "" -Date "" -Rev "" -Comp "" -Comment1 "" -Comment2 "" -Comment3 "" -Comment4 "" -$EndDescr -$Comp -L Device:Battery BT1 -U 1 1 5EC97EC8 -P 2600 3750 -F 0 "BT1" H 2708 3796 50 0000 L CNN -F 1 "Battery" H 2708 3705 50 0000 L CNN -F 2 "" V 2600 3810 50 0001 C CNN -F 3 "~" V 2600 3810 50 0001 C CNN - 1 2600 3750 - 1 0 0 -1 -$EndComp -$Comp -L Switch:SW_SPST SW1 -U 1 1 5EC98542 -P 3100 3250 -F 0 "SW1" H 3100 3485 50 0000 C CNN -F 1 "SW_SPST" H 3100 3394 50 0000 C CNN -F 2 "" H 3100 3250 50 0001 C CNN -F 3 "~" H 3100 3250 50 0001 C CNN - 1 3100 3250 - 1 0 0 -1 -$EndComp -$Comp -L Device:R R1 -U 1 1 5EC98B01 -P 3550 3700 -F 0 "R1" H 3620 3746 50 0000 L CNN -F 1 "5" H 3620 3655 50 0000 L CNN -F 2 "" V 3480 3700 50 0001 C CNN -F 3 "~" H 3550 3700 50 0001 C CNN - 1 3550 3700 - 1 0 0 -1 -$EndComp -$Comp -L Device:R R2 -U 1 1 5EC98F38 -P 3850 3250 -F 0 "R2" V 3643 3250 50 0000 C CNN -F 1 "3k" V 3734 3250 50 0000 C CNN -F 2 "" V 3780 3250 50 0001 C CNN -F 3 "~" H 3850 3250 50 0001 C CNN - 1 3850 3250 - 0 1 1 0 -$EndComp -$Comp -L Device:R_POT RV1 -U 1 1 5EC99ABB -P 4350 3250 -F 0 "RV1" V 4143 3250 50 0000 C CNN -F 1 "3k3" V 4234 3250 50 0000 C CNN -F 2 "" H 4350 3250 50 0001 C CNN -F 3 "~" H 4350 3250 50 0001 C CNN - 1 4350 3250 - 0 1 1 0 -$EndComp -$Comp -L Device:Voltmeter_DC MES1 -U 1 1 5EC9A7E7 -P 4350 3750 -F 0 "MES1" H 4503 3796 50 0000 L CNN -F 1 "Voltmeter_DC" H 4503 3705 50 0000 L CNN -F 2 "" V 4350 3850 50 0001 C CNN -F 3 "~" V 4350 3850 50 0001 C CNN - 1 4350 3750 - 1 0 0 -1 -$EndComp -Wire Wire Line - 2600 3550 2600 3250 -Wire Wire Line - 2600 3250 2900 3250 -Wire Wire Line - 3300 3250 3550 3250 -Wire Wire Line - 4000 3250 4200 3250 -Wire Wire Line - 4350 3400 4350 3550 -Wire Wire Line - 4350 3950 4350 4100 -Wire Wire Line - 4350 4100 3550 4100 -Wire Wire Line - 3550 4100 3550 3850 -Wire Wire Line - 2600 3950 2600 4100 -Wire Wire Line - 2600 4100 3550 4100 -Connection ~ 3550 4100 -Wire Wire Line - 3550 3550 3550 3250 -Connection ~ 3550 3250 -Wire Wire Line - 3550 3250 3700 3250 -$EndSCHEMATC diff --git a/misc/cable organizer/body.FCStd b/misc/cable organizer/body.FCStd deleted file mode 100644 index d6a9aa4..0000000 Binary files a/misc/cable organizer/body.FCStd and /dev/null differ diff --git a/misc/cable organizer/body.png b/misc/cable organizer/body.png deleted file mode 100644 index a27fc7c..0000000 Binary files a/misc/cable organizer/body.png and /dev/null differ diff --git a/misc/cable organizer/body.stl b/misc/cable organizer/body.stl deleted file mode 100644 index d07c32e..0000000 Binary files a/misc/cable organizer/body.stl and /dev/null differ diff --git a/misc/cable organizer/index.html b/misc/cable organizer/index.html deleted file mode 100644 index 5ea843f..0000000 --- a/misc/cable organizer/index.html +++ /dev/null @@ -1,289 +0,0 @@ - - - -Cable organizer - - - - - - - - - - - - - -
-

Cable organizer

- -
-

1 General

-
- -
-
- -
-

2 Project description

-
- -
-

make.png -

-
- -

-I have lots of wires in my lab, and I need quick access to them. This -organizer allows to conveniently hang them on the wall. I use double -sided tape to make it stick. -

- - -
-

body.png -

-
-
-
- -
-

3 Files

-
-

-You can download FreeCAD project file to tweak design or generated STL -file ready for 3D printing: -

- - -
-
-
-
-
-

Author: Svjatoslav Agejenko

-

Created: 2020-03-21 Sat 00:37

-

Emacs 26.1 (Org-mode 9.1.9)

-
-
- - diff --git a/misc/cable organizer/index.org b/misc/cable organizer/index.org deleted file mode 100644 index e318fb1..0000000 --- a/misc/cable organizer/index.org +++ /dev/null @@ -1,44 +0,0 @@ -#+TITLE: Cable organizer -#+AUTHOR: Svjatoslav Agejenko -#+LANGUAGE: en - -* (document settings) :noexport: -** use dark style for TWBS-HTML exporter -#+HTML_HEAD: -#+HTML_HEAD: -#+HTML_HEAD: -#+HTML_HEAD: - -* General -+ DISCLAIMER: I DO ELECTRONICS AND 3D DESIGN SOLELY AS A HOBBY. THERE - COULD BE ERRORS THAT CAN RESULT IN ALL KINDS OF DAMAGE. USE THESE - DESIGNS AT YOUR OWN RISK. - -+ This design is released under Creative Commons Zero (CC0) license. - -+ Author: - - Svjatoslav Agejenko - - Homepage: https://svjatoslav.eu - - Email: [[mailto://svjatoslav@svjatoslav.eu][svjatoslav@svjatoslav.eu]] - -+ See also: - - [[../../index.html][Other physical projects in this repository]] - - [[https://www.svjatoslav.eu/projects/][Other projects hosted at svjatoslav.eu]] - -* Project description -[[file:make.png]] - -I have lots of wires in my lab, and I need quick access to them. This -organizer allows to conveniently hang them on the wall. I use double -sided tape to make it stick. - -[[file:body.png]] - -* Files -You can [[file:body.FCStd][download FreeCAD project]] file to tweak design or generated STL -file ready for 3D printing: - -+ [[file:body.stl]] diff --git a/misc/cable organizer/make.png b/misc/cable organizer/make.png deleted file mode 100644 index d187645..0000000 Binary files a/misc/cable organizer/make.png and /dev/null differ diff --git a/misc/headphone hub/body.png b/misc/headphone hub/body.png deleted file mode 100644 index 378799a..0000000 Binary files a/misc/headphone hub/body.png and /dev/null differ diff --git a/misc/headphone hub/body.stl b/misc/headphone hub/body.stl deleted file mode 100644 index dc8e9b9..0000000 Binary files a/misc/headphone hub/body.stl and /dev/null differ diff --git a/misc/headphone hub/cover, 2.png b/misc/headphone hub/cover, 2.png deleted file mode 100644 index 7df7746..0000000 Binary files a/misc/headphone hub/cover, 2.png and /dev/null differ diff --git a/misc/headphone hub/cover.png b/misc/headphone hub/cover.png deleted file mode 100644 index 067e8d4..0000000 Binary files a/misc/headphone hub/cover.png and /dev/null differ diff --git a/misc/headphone hub/cover.stl b/misc/headphone hub/cover.stl deleted file mode 100644 index 5b0d6fb..0000000 Binary files a/misc/headphone hub/cover.stl and /dev/null differ diff --git a/misc/headphone hub/hub.FCStd b/misc/headphone hub/hub.FCStd deleted file mode 100644 index f85ea1b..0000000 Binary files a/misc/headphone hub/hub.FCStd and /dev/null differ diff --git a/misc/headphone hub/index.html b/misc/headphone hub/index.html deleted file mode 100644 index ccc85bf..0000000 --- a/misc/headphone hub/index.html +++ /dev/null @@ -1,325 +0,0 @@ - - - -Headphone hub - - - - - - - - - - - - - -
-

Headphone hub

- -
-

1 General

-
- -
-
- -
-

2 Project description

-
-

-Simple hub that allows connecting up to 4 devices via headphone -jack. For example single laptop or mp3 player can power up to 3 -headphones. -

- - -
-

make.png -

-
- -

-Schematic diagram: -schematic.png -

- -

-Warning: All devices are connected in parallel. Make sure that audio -producing device can handle combined load. See: -https://en.wikipedia.org/wiki/Series_and_parallel_circuits#Resistance_units_2 -

- - -
-

make,%202.png -

-
- -

-Device consists of body and cover that are held together by single -screw at the center: -

- - -
-

cover,%202.png -

-
-
-
- -
-

3 Download

-
- - - -

-Body STL file -body.png -

- - - -
-

-Cover STL file -

- - -
-

cover.png -

-
-
-
-
-
-
-

Author: Svjatoslav Agejenko

-

Created: 2020-12-25 Fri 23:48

-

Emacs 26.1 (Org-mode 9.1.9)

-
-
- - diff --git a/misc/headphone hub/index.org b/misc/headphone hub/index.org deleted file mode 100644 index dd6d162..0000000 --- a/misc/headphone hub/index.org +++ /dev/null @@ -1,65 +0,0 @@ -#+TITLE: Headphone hub -#+AUTHOR: Svjatoslav Agejenko -#+LANGUAGE: en - -* (document settings) :noexport: -** use dark style for TWBS-HTML exporter -#+HTML_HEAD: -#+HTML_HEAD: -#+HTML_HEAD: -#+HTML_HEAD: - -* General -+ DISCLAIMER: I DO ELECTRONICS AND 3D DESIGN SOLELY AS A HOBBY. THERE - COULD BE ERRORS THAT CAN RESULT IN ALL KINDS OF DAMAGE. USE THESE - DESIGNS AT YOUR OWN RISK. - -+ This design is released under Creative Commons Zero (CC0) license. - -+ Author: - - Svjatoslav Agejenko - - Homepage: https://svjatoslav.eu - - Email: [[mailto://svjatoslav@svjatoslav.eu][svjatoslav@svjatoslav.eu]] - -+ See also: - - [[../../index.html][Other physical projects in this repository]] - - [[https://www.svjatoslav.eu/projects/][Other projects hosted at svjatoslav.eu]] - -* Project description -Simple hub that allows connecting up to 4 devices via headphone -jack. For example single laptop or mp3 player can power up to 3 -headphones. - -[[file:make.png]] - -Schematic diagram: -[[file:schematic.png]] - -Warning: All devices are connected in parallel. Make sure that audio -producing device can handle combined load. See: -https://en.wikipedia.org/wiki/Series_and_parallel_circuits#Resistance_units_2 - -[[file:make,%202.png]] - -Device consists of body and cover that are held together by single -screw at the center: - -[[file:cover,%202.png]] - -* Download - -- [[file:hub.FCStd][FreeCAD project]] - - -Body [[file:body.stl][STL file]] -[[file:body.png]] - - - ------ -Cover [[file:cover.stl][STL file]] - -[[file:cover.png]] diff --git a/misc/headphone hub/make, 2.png b/misc/headphone hub/make, 2.png deleted file mode 100644 index 0757cc6..0000000 Binary files a/misc/headphone hub/make, 2.png and /dev/null differ diff --git a/misc/headphone hub/make.png b/misc/headphone hub/make.png deleted file mode 100644 index ad159e1..0000000 Binary files a/misc/headphone hub/make.png and /dev/null differ diff --git a/misc/headphone hub/schematic-cache.lib b/misc/headphone hub/schematic-cache.lib deleted file mode 100644 index 27883d2..0000000 --- a/misc/headphone hub/schematic-cache.lib +++ /dev/null @@ -1,26 +0,0 @@ -EESchema-LIBRARY Version 2.4 -#encoding utf-8 -# -# Connector_AudioJack3 -# -DEF Connector_AudioJack3 J 0 20 Y Y 1 F N -F0 "J" 0 350 50 H V C CNN -F1 "Connector_AudioJack3" 0 250 50 H V C CNN -F2 "" 0 0 50 H I C CNN -F3 "" 0 0 50 H I C CNN -$FPLIST - Jack* -$ENDFPLIST -DRAW -S -200 -200 -250 -100 0 1 10 F -S 100 150 -200 -200 0 1 10 f -P 4 0 1 10 0 -100 25 -125 50 -100 100 -100 N -P 5 0 1 10 -75 -100 -50 -125 -25 -100 -25 0 100 0 N -P 5 0 1 10 100 100 -100 100 -100 -100 -125 -125 -150 -100 N -X ~ R 200 0 100 L 50 50 1 1 P -X ~ S 200 100 100 L 50 50 1 1 P -X ~ T 200 -100 100 L 50 50 1 1 P -ENDDRAW -ENDDEF -# -#End Library diff --git a/misc/headphone hub/schematic.png b/misc/headphone hub/schematic.png deleted file mode 100644 index 84a535e..0000000 Binary files a/misc/headphone hub/schematic.png and /dev/null differ diff --git a/misc/headphone hub/schematic.sch b/misc/headphone hub/schematic.sch deleted file mode 100644 index 630bccd..0000000 --- a/misc/headphone hub/schematic.sch +++ /dev/null @@ -1,108 +0,0 @@ -EESchema Schematic File Version 4 -EELAYER 30 0 -EELAYER END -$Descr A4 11693 8268 -encoding utf-8 -Sheet 1 1 -Title "" -Date "" -Rev "" -Comp "" -Comment1 "" -Comment2 "" -Comment3 "" -Comment4 "" -$EndDescr -$Comp -L Connector:AudioJack3 J1 -U 1 1 5FE65EA5 -P 3100 3300 -F 0 "J1" V 3036 3488 50 0000 L CNN -F 1 "AudioJack3" V 3127 3488 50 0000 L CNN -F 2 "" H 3100 3300 50 0001 C CNN -F 3 "~" H 3100 3300 50 0001 C CNN - 1 3100 3300 - 0 1 1 0 -$EndComp -$Comp -L Connector:AudioJack3 J2 -U 1 1 5FE6658D -P 4000 3300 -F 0 "J2" V 3936 3488 50 0000 L CNN -F 1 "AudioJack3" V 4027 3488 50 0000 L CNN -F 2 "" H 4000 3300 50 0001 C CNN -F 3 "~" H 4000 3300 50 0001 C CNN - 1 4000 3300 - 0 1 1 0 -$EndComp -$Comp -L Connector:AudioJack3 J3 -U 1 1 5FE66E55 -P 4850 3300 -F 0 "J3" V 4786 3488 50 0000 L CNN -F 1 "AudioJack3" V 4877 3488 50 0000 L CNN -F 2 "" H 4850 3300 50 0001 C CNN -F 3 "~" H 4850 3300 50 0001 C CNN - 1 4850 3300 - 0 1 1 0 -$EndComp -Wire Wire Line - 3000 3500 3000 3800 -Wire Wire Line - 3000 3800 3900 3800 -Wire Wire Line - 3900 3800 3900 3500 -Wire Wire Line - 3900 3800 4750 3800 -Wire Wire Line - 4750 3800 4750 3500 -Connection ~ 3900 3800 -Wire Wire Line - 3100 3500 3100 3750 -Wire Wire Line - 3100 3750 4000 3750 -Wire Wire Line - 4000 3750 4000 3500 -Wire Wire Line - 4000 3750 4850 3750 -Wire Wire Line - 4850 3750 4850 3500 -Connection ~ 4000 3750 -Wire Wire Line - 3200 3500 3200 3700 -Wire Wire Line - 3200 3700 4100 3700 -Wire Wire Line - 4100 3700 4100 3500 -Wire Wire Line - 4100 3700 4950 3700 -Wire Wire Line - 4950 3700 4950 3500 -Connection ~ 4100 3700 -$Comp -L Connector:AudioJack3 J4 -U 1 1 5FE687FA -P 5700 3300 -F 0 "J4" V 5636 3488 50 0000 L CNN -F 1 "AudioJack3" V 5727 3488 50 0000 L CNN -F 2 "" H 5700 3300 50 0001 C CNN -F 3 "~" H 5700 3300 50 0001 C CNN - 1 5700 3300 - 0 1 1 0 -$EndComp -Wire Wire Line - 4750 3800 5600 3800 -Wire Wire Line - 5600 3800 5600 3500 -Wire Wire Line - 4850 3750 5700 3750 -Wire Wire Line - 5700 3750 5700 3500 -Wire Wire Line - 4950 3700 5800 3700 -Wire Wire Line - 5800 3700 5800 3500 -Connection ~ 4750 3800 -Connection ~ 4850 3750 -Connection ~ 4950 3700 -$EndSCHEMATC diff --git a/misc/hook/hook.FCStd b/misc/hook/hook.FCStd deleted file mode 100644 index c85b53f..0000000 Binary files a/misc/hook/hook.FCStd and /dev/null differ diff --git a/misc/hook/hook.png b/misc/hook/hook.png deleted file mode 100644 index 26ee854..0000000 Binary files a/misc/hook/hook.png and /dev/null differ diff --git a/misc/hook/hook.stl b/misc/hook/hook.stl deleted file mode 100644 index 7a365b0..0000000 Binary files a/misc/hook/hook.stl and /dev/null differ diff --git a/misc/hook/index.html b/misc/hook/index.html deleted file mode 100644 index 21d4908..0000000 --- a/misc/hook/index.html +++ /dev/null @@ -1,309 +0,0 @@ - - - - - - - -General purpose hook - - - - - - - - - - - -
-

General purpose hook

-
-

Table of Contents

-
- -
-
- -
-

1 General

-
- -
-
- -
-

2 Project description

-
- -
-

make.png -

-
- -

-General purpose hook suitable for holding light things. Hook does not -have screw holes. It is intended to be glued to the surface. -

- - -
-

hook.png -

-
-
-
- -
-

3 Files

-
-

-You can download FreeCAD project file to tweak design or generated STL -file ready for 3D printing: -

- - -
-
-
-
-

Author: Svjatoslav Agejenko

-

Created: 2021-07-25 Sun 21:01

-

Validate

-
- - diff --git a/misc/hook/index.org b/misc/hook/index.org deleted file mode 100644 index b5f805f..0000000 --- a/misc/hook/index.org +++ /dev/null @@ -1,43 +0,0 @@ -#+TITLE: General purpose hook -#+AUTHOR: Svjatoslav Agejenko -#+LANGUAGE: en - -* (document settings) :noexport: -** use dark style for TWBS-HTML exporter -#+HTML_HEAD: -#+HTML_HEAD: -#+HTML_HEAD: -#+HTML_HEAD: - -* General -+ DISCLAIMER: I DO ELECTRONICS AND 3D DESIGN SOLELY AS A HOBBY. THERE - COULD BE ERRORS THAT CAN RESULT IN ALL KINDS OF DAMAGE. USE THESE - DESIGNS AT YOUR OWN RISK. - -+ This design is released under Creative Commons Zero (CC0) license. - -+ Author: - - Svjatoslav Agejenko - - Homepage: https://svjatoslav.eu - - Email: [[mailto://svjatoslav@svjatoslav.eu][svjatoslav@svjatoslav.eu]] - -+ See also: - - [[../../index.html][Other physical projects in this repository]] - - [[https://www.svjatoslav.eu/projects/][Other projects hosted at svjatoslav.eu]] - -* Project description -[[file:make.png]] - -General purpose hook suitable for holding light things. Hook does not -have screw holes. It is intended to be glued to the surface. - -[[file:hook.png]] - -* Files -You can [[file:hook.FCStd][download FreeCAD project]] file to tweak design or generated STL -file ready for 3D printing: - -+ [[file:hook.stl]] diff --git a/misc/hook/make.png b/misc/hook/make.png deleted file mode 100644 index bd51904..0000000 Binary files a/misc/hook/make.png and /dev/null differ diff --git a/misc/lab heater and cooler/.thumbnails/body, 1 (4FE5B061).jpeg b/misc/lab heater and cooler/.thumbnails/body, 1 (4FE5B061).jpeg deleted file mode 100644 index e162436..0000000 Binary files a/misc/lab heater and cooler/.thumbnails/body, 1 (4FE5B061).jpeg and /dev/null differ diff --git a/misc/lab heater and cooler/.thumbnails/body, 2 (6930C5AD).jpeg b/misc/lab heater and cooler/.thumbnails/body, 2 (6930C5AD).jpeg deleted file mode 100644 index 6c0c14f..0000000 Binary files a/misc/lab heater and cooler/.thumbnails/body, 2 (6930C5AD).jpeg and /dev/null differ diff --git a/misc/lab heater and cooler/.thumbnails/bottom cover (888C2041).jpeg b/misc/lab heater and cooler/.thumbnails/bottom cover (888C2041).jpeg deleted file mode 100644 index b9b2d66..0000000 Binary files a/misc/lab heater and cooler/.thumbnails/bottom cover (888C2041).jpeg and /dev/null differ diff --git a/misc/lab heater and cooler/.thumbnails/make (BCD5D41).jpeg b/misc/lab heater and cooler/.thumbnails/make (BCD5D41).jpeg deleted file mode 100644 index 817eb33..0000000 Binary files a/misc/lab heater and cooler/.thumbnails/make (BCD5D41).jpeg and /dev/null differ diff --git a/misc/lab heater and cooler/.thumbnails/make, bottom (77EF885B).jpeg b/misc/lab heater and cooler/.thumbnails/make, bottom (77EF885B).jpeg deleted file mode 100644 index ee2cf8a..0000000 Binary files a/misc/lab heater and cooler/.thumbnails/make, bottom (77EF885B).jpeg and /dev/null differ diff --git a/misc/lab heater and cooler/.thumbnails/metadata_6.dat b/misc/lab heater and cooler/.thumbnails/metadata_6.dat deleted file mode 100644 index 1f1d36f..0000000 Binary files a/misc/lab heater and cooler/.thumbnails/metadata_6.dat and /dev/null differ diff --git a/misc/lab heater and cooler/.thumbnails/schematic (5FA81873).jpeg b/misc/lab heater and cooler/.thumbnails/schematic (5FA81873).jpeg deleted file mode 100644 index 3577943..0000000 Binary files a/misc/lab heater and cooler/.thumbnails/schematic (5FA81873).jpeg and /dev/null differ diff --git a/misc/lab heater and cooler/.thumbnails/top cover (1A1B8AED).jpeg b/misc/lab heater and cooler/.thumbnails/top cover (1A1B8AED).jpeg deleted file mode 100644 index 1dad842..0000000 Binary files a/misc/lab heater and cooler/.thumbnails/top cover (1A1B8AED).jpeg and /dev/null differ diff --git a/misc/lab heater and cooler/body, 1.png b/misc/lab heater and cooler/body, 1.png deleted file mode 100644 index e2dbd59..0000000 Binary files a/misc/lab heater and cooler/body, 1.png and /dev/null differ diff --git a/misc/lab heater and cooler/body, 2.png b/misc/lab heater and cooler/body, 2.png deleted file mode 100644 index a48c833..0000000 Binary files a/misc/lab heater and cooler/body, 2.png and /dev/null differ diff --git a/misc/lab heater and cooler/body.FCStd b/misc/lab heater and cooler/body.FCStd deleted file mode 100644 index ca14c9e..0000000 Binary files a/misc/lab heater and cooler/body.FCStd and /dev/null differ diff --git a/misc/lab heater and cooler/body.stl b/misc/lab heater and cooler/body.stl deleted file mode 100644 index 9a98969..0000000 Binary files a/misc/lab heater and cooler/body.stl and /dev/null differ diff --git a/misc/lab heater and cooler/bottom cover.png b/misc/lab heater and cooler/bottom cover.png deleted file mode 100644 index 5f23c00..0000000 Binary files a/misc/lab heater and cooler/bottom cover.png and /dev/null differ diff --git a/misc/lab heater and cooler/bottom cover.stl b/misc/lab heater and cooler/bottom cover.stl deleted file mode 100644 index f20939f..0000000 Binary files a/misc/lab heater and cooler/bottom cover.stl and /dev/null differ diff --git a/misc/lab heater and cooler/index.html b/misc/lab heater and cooler/index.html deleted file mode 100644 index 0a17e6d..0000000 --- a/misc/lab heater and cooler/index.html +++ /dev/null @@ -1,50 +0,0 @@ - - - - - - - - -

Gallery

-

- - - -

-
-
-body, 1
(914x739) -
-
-body, 2
(863x707) -
body.FCStd -  (455 KiB)

-
body.stl -  (692 KiB)

-
-
-bottom cover
(839x767) -
bottom cover.stl -  (2384 KiB)

-
-
-make, bottom
(800x695) -
-
-make
(800x1033) -
schematic-cache.lib -  (3351 b)

-
-
-schematic
(930x552) -
schematic.sch -  (4547 b)

-
schematic.sch-bak -  (4546 b)

-
-
-top cover
(842x755) -
top cover.stl -  (322 KiB)

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-

Portable stereo speaker

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1 General

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2 Project description

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-I had pair of good compact stereo speakers lying uselessly around as -well as secondhand TDA2030 Chinese knockoff audio amplifier chips. -Also I wanted to test modular construction approach: motherboard with -shared bus and functionality realized via pluggable modules. So I -built stereo speaker: -

- - -
-

make.png -

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- -

-Indicator on the front panel shows available power within the -system. Ideally it should be at the maximum. It drops when batteries -run empty or when consumed power (too loud music) is greater than -onboard power supply or batteries can handle. It has on/off switch and -stereo audio input. Audio input impedance is about 100 ohms. -

- - -
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make,%20side.png -

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-Idea for the holes on the top and smaller ones on the bottom back is -to enable air flow for passive cooling. -

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make,%20back.png -

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-Entire construction is made of parts, no larger than -120x120x120mm. Maximum for my printer. -

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3 Battery holder

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-Device is powered by 4 times AA NiMH batteries (1.2V each). -

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schematic.png -

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-I happened to have AA battery adapters lying around with different -bottom hole configurations. Therefore this weird hole design: -

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battery%20holder.png -

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-Download: -

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-Result: -make.png -

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-Attaches to the back of the body: -mounted%20on%20the%20back.png -

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4 20V up-step module

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-Battery pack voltage is routed through main on/off switch on the front -panel, and then it goes to the 20V up-step module. -

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schematic.png -

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-It uses ready made upstep module, but adds extra voltage filtering via -inductor and capacitors. -

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make.png -

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5 Main board

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-Voltage upstep above sits on top of main board (motherboard). It has -uniform central bus that spans all connectors. -

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internal%20bus.png -

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bus%20on%20the%20bottom,%202.png -

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-First row of the main board is special IO terminal (for connecting -speakers, front panel, etc..) -

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IO%20terminal.png -

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-Remaining rows are for connecting boards: -

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1.png -

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-To provide structural support, main board is attached to frame: -

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board%20fixator%20body.png -

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-Download: -

- - -

-And boards plugged into main board are fixed at the top, using clip: -

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board%20fixator%20top%20clip.png -

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-Download: -

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-Result: -

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bus%20on%20the%20bottom,%201.png -

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board%20fixator.png -

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6 Mono audio amplifier module

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-Design uses scavenged secondhand Chinese TDA2030 audio amp -clones. Each chip is mono audio amplifier. Therefore 2 almost -identical audio amp modules had to be built, one for left speaker, one -for right. -

- - -
-

schematic.png -

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- -

-I like to build on top of prototype PCBs. Gives results much faster -for one-off projects. Before soldering, I solve component layout on -paper: -

- - -
-

PCB%20layout.png -

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- -

-Result - front: -

- - -
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assembled%20front.png -

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-Result - back: -

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assembled%20back.png -

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-Here copper tape is used as improvised heatsink. -

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7 Speakers

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-High frequency small speaker and medium frequency bigger speaker are -combined. -

- - -
-

schematic.png -

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- -

-Capacitor acts as high-pass filter on top of tiny PCB: -

- - -
-

PCB%20layout.png -

-
- -

-Speaker enclosure: -

- - -
-

speaker%20enclosure.png -

-
- -

-Download: -

- - -

-Speaker enclosure cover: -

- - -
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speaker%20enclosure%20cover.png -

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-Download: -

- - -

-Result: -

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make.png -

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8 Front panel

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-Initial idea was really simple panel: -

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    -
  • on/off switch -
    • -
  • system power indicator -
    • -
  • stereo audio input -
    • -
- -

-But, since I'm using "agile" approach, during load-testing, it become -clear that active fan based cooling would be nice (when playing loud -music). I found tiny cooler fan that needs 5 volts to operate. Also I -need to power backlight for power indicator. For both of these cases, -I decided to add another voltage up-step module (target voltage output -set to 6V). This time directly on the front panel. -

- - -
-

schematic.png -

-
- -

-Front panel case: -

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front%20panel,%20front.png -

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front%20panel,%20back.png -

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- -

-Electronics fits inside: -

- - -
-

front%20panel,%20back,%20make.png -

-
- -

-Front view: -

- - -
-

front%20panel,%20front,%20make.png -

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- -

-And attaches to the remaining components: -

- - -
-

attachment.png -

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-
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- - -
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9 Extra capacitors

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-

-Another thing that become clear during load-testing: output -power/volume can be further enhanced by adding high power capacitors -to even out load on primary 20V up-step module. -

- - -
-

extra%20caps.png -

-
- -

-Download: -

- - -

-Extra caps are mounted on top of the speaker and electrically attached -to the main board. -

- - -
-

make.png -

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10 Center box

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-Last physical part, to attach it all together: central body. -

- -

-Front: -front.png -

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-Back: -back.png -

- -

-Download: -

- -
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- - -
-

11 Conclusions / TODO

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-

-These things could be done better: -

- -
    -
  • Instead of using undersized heatsinks on the audio amplifiers and -need for active cooling as a consequence, it would be better to try -to mount audio amplifier chip on top of speaker metallic body. It -would provide plenty of cooling and reduces power losses within -cable, since amplifier would be as close to the speaker as possible. -
    • - -
  • I used agile design. That is, implemented functionality ad-hoc. If I -had done design in advance, then I could have had smarter connector -layout between main board and front panel. That is: Instead of -multiple smaller cables, one wide (multi connector) cable. -
    • - -
  • Screw holes are too close to the edges on the front panel. -
    • - -
  • It would be better if screw heads were slightly buried within -construction body. -
    • -
- - -

-Overall, it was good learning experience and I was able to test -various ideas on it. Will add cooler later :) -

- - -

-Photo of initial PSU + audio amp test: -

- - -
-

initial%20test.png -

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-

Author: Svjatoslav Agejenko

-

Created: 2020-04-12 P 23:58

-

Emacs 26.1 (Org-mode 9.1.9)

-
-
- - diff --git a/misc/portable stereo active speaker/index.org b/misc/portable stereo active speaker/index.org deleted file mode 100644 index 0cef8d3..0000000 --- a/misc/portable stereo active speaker/index.org +++ /dev/null @@ -1,271 +0,0 @@ -#+TITLE: Portable stereo speaker -#+AUTHOR: Svjatoslav Agejenko -#+LANGUAGE: en - -* (document settings) :noexport: -** use dark style for TWBS-HTML exporter -#+HTML_HEAD: -#+HTML_HEAD: -#+HTML_HEAD: -#+HTML_HEAD: - -* General -+ DISCLAIMER: I DO ELECTRONICS AND 3D DESIGN SOLELY AS A HOBBY. THERE - COULD BE ERRORS THAT CAN RESULT IN ALL KINDS OF DAMAGE. USE THESE - DESIGNS AT YOUR OWN RISK. - -+ This design is released under Creative Commons Zero (CC0) license. - -+ Author: - - Svjatoslav Agejenko - - Homepage: https://svjatoslav.eu - - Email: [[mailto://svjatoslav@svjatoslav.eu][svjatoslav@svjatoslav.eu]] - -+ See also: - - [[../../index.html][Other physical projects in this repository]] - - [[https://www.svjatoslav.eu/projects/][Other projects hosted at svjatoslav.eu]] - -* Project description -I had pair of good compact stereo speakers lying uselessly around as -well as secondhand TDA2030 Chinese knockoff audio amplifier chips. -Also I wanted to test modular construction approach: motherboard with -shared bus and functionality realized via pluggable modules. So I -built stereo speaker: - -[[file:make.png]] - -Indicator on the front panel shows available power within the -system. Ideally it should be at the maximum. It drops when batteries -run empty or when consumed power (too loud music) is greater than -onboard power supply or batteries can handle. It has on/off switch and -stereo audio input. Audio input impedance is about 100 ohms. - -[[file:make,%20side.png]] - -Idea for the holes on the top and smaller ones on the bottom back is -to enable air flow for passive cooling. - -[[file:make,%20back.png]] - -Entire construction is made of parts, no larger than -120x120x120mm. Maximum for my printer. - -* Battery holder -Device is powered by 4 times AA NiMH batteries (1.2V each). - -[[file:battery%20holder/schematic.png]] - -I happened to have AA battery adapters lying around with different -bottom hole configurations. Therefore this weird hole design: - -[[file:battery%20holder/battery%20holder.png]] - -Download: -+ [[file:battery%20holder/battery%20holder.FCStd][FreeCAD file]] -+ [[file:battery%20holder/battery%20holder.stl][STL file]] - -Result: -[[file:battery%20holder/make.png]] - -Attaches to the back of the body: -[[file:battery%20holder/mounted%20on%20the%20back.png]] - -* 20V up-step module -Battery pack voltage is routed through main on/off switch on the front -panel, and then it goes to the 20V up-step module. - -[[file:20V%20upstep%20module/schematic.png]] - -It uses ready made upstep module, but adds extra voltage filtering via -inductor and capacitors. - -[[file:20V%20upstep%20module/make.png]] - -* Main board - -Voltage upstep above sits on top of main board (motherboard). It has -uniform central bus that spans all connectors. - -[[file:main%20board/internal%20bus.png]] - -[[file:main%20board/bus%20on%20the%20bottom,%202.png]] - -First row of the main board is special IO terminal (for connecting -speakers, front panel, etc..) - -[[file:main%20board/IO%20terminal.png]] - -Remaining rows are for connecting boards: - -[[file:main%20board/1.png]] - -To provide structural support, main board is attached to frame: - -[[file:main%20board/board%20fixator%20body.png]] - -Download: -+ [[file:main%20board/board%20fixator%20body.FCStd][FreeCAD file]] -+ [[file:main%20board/board%20fixator%20body.stl][STL file]] - -And boards plugged into main board are fixed at the top, using clip: - -[[file:main%20board/board%20fixator%20top%20clip.png]] - -Download: -+ [[file:main%20board/board%20fixator%20top%20clip.FCStd][FreeCAD file]] -+ [[file:main%20board/board%20fixator%20top%20clip.stl][STL file]] - -Result: - -[[file:main%20board/bus%20on%20the%20bottom,%201.png]] - -[[file:main%20board/board%20fixator.png]] - -* Mono audio amplifier module - -Design uses scavenged secondhand Chinese TDA2030 audio amp -clones. Each chip is mono audio amplifier. Therefore 2 almost -identical audio amp modules had to be built, one for left speaker, one -for right. - -[[file:mono%20audio%20amp%20module/schematic.png]] - -I like to build on top of prototype PCBs. Gives results much faster -for one-off projects. Before soldering, I solve component layout on -paper: - -[[file:mono%20audio%20amp%20module/PCB%20layout.png]] - -Result - front: - -[[file:mono%20audio%20amp%20module/assembled%20front.png]] - -Result - back: - -[[file:mono%20audio%20amp%20module/assembled%20back.png]] - -Here copper tape is used as improvised heatsink. - -* Speakers - -High frequency small speaker and medium frequency bigger speaker are -combined. - -[[file:speakers/schematic.png]] - -Capacitor acts as high-pass filter on top of tiny PCB: - -[[file:speakers/PCB%20layout.png]] - -Speaker enclosure: - -[[file:speakers/speaker%20enclosure.png]] - -Download: -+ [[file:speakers/speaker%20enclosure.FCStd][FreeCAD file]] -+ [[file:speakers/speaker%20enclosure.stl][STL file]] - -Speaker enclosure cover: - -[[file:speakers/speaker%20enclosure%20cover.png]] - -Download: -+ [[file:speakers/speaker%20enclosure%20cover.FCStd][FreeCAD file]] -+ [[file:speakers/speaker%20enclosure%20cover.stl][STL file]] - -Result: - -[[file:speakers/make.png]] - -* Front panel - -Initial idea was really simple panel: -+ on/off switch -+ system power indicator -+ stereo audio input - -But, since I'm using "agile" approach, during load-testing, it become -clear that active fan based cooling would be nice (when playing loud -music). I found tiny cooler fan that needs 5 volts to operate. Also I -need to power backlight for power indicator. For both of these cases, -I decided to add another voltage up-step module (target voltage output -set to 6V). This time directly on the front panel. - -[[file:front%20panel/schematic.png]] - -Front panel case: - -[[file:front%20panel/front%20panel,%20front.png]] - -[[file:front%20panel/front%20panel,%20back.png]] - -Electronics fits inside: - -[[file:front%20panel/front%20panel,%20back,%20make.png]] - -Front view: - -[[file:front%20panel/front%20panel,%20front,%20make.png]] - -And attaches to the remaining components: - -[[file:front%20panel/attachment.png]] - -* Extra capacitors -Another thing that become clear during load-testing: output -power/volume can be further enhanced by adding high power capacitors -to even out load on primary 20V up-step module. - -[[file:extra%20capacitors/extra%20caps.png]] - -Download: -+ [[file:extra%20capacitors/extra%20caps.FCStd][FreeCAD project]] -+ [[file:extra%20capacitors/extra%20caps.stl][STL file]] - -Extra caps are mounted on top of the speaker and electrically attached -to the main board. - -[[file:extra%20capacitors/make.png]] - -* Center box - -Last physical part, to attach it all together: central body. - -Front: -[[file:center%20box/front.png]] - -Back: -[[file:center%20box/back.png]] - -Download: -+ [[file:center%20box/center%20box.FCStd][FreeCAD file]] -+ [[file:center%20box/center%20box.stl][STL file]] - -* Conclusions / TODO -Photo of initial PSU + audio amp test: -[[file:initial%20test.png]] - - -Improvement ideas: - -+ Instead of using undersized heatsinks on the audio amplifiers and - need for active cooling as a consequence, it would be better to try - to mount audio amplifier chip on top of speaker metallic body. It - would provide plenty of cooling and reduces power losses within - cable, since amplifier would be as close to the speaker as possible. - -+ Add possibility to power device from USB socket in addition to - batteries. - -+ Front panel: - + Use digital voltage indicator to gauge remaining battery power. - - + Add possibility to have multiple inputs. - - + It would be better if screw heads were slightly buried within - construction body. - - + Screw holes are too close to the edges on the front panel. diff --git a/misc/portable stereo active speaker/initial test.png b/misc/portable stereo active speaker/initial test.png deleted file mode 100644 index f07db1f..0000000 Binary files a/misc/portable stereo active speaker/initial test.png and /dev/null differ diff --git a/misc/portable stereo active speaker/main board/1.png b/misc/portable stereo active speaker/main board/1.png deleted file mode 100644 index ca7c160..0000000 Binary files a/misc/portable stereo active speaker/main 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module/assembled front.png deleted file mode 100644 index 824d219..0000000 Binary files a/misc/portable stereo active speaker/mono audio amp module/assembled front.png and /dev/null differ diff --git a/misc/portable stereo active speaker/mono audio amp module/schematic-cache.lib b/misc/portable stereo active speaker/mono audio amp module/schematic-cache.lib deleted file mode 100644 index 94e7bd4..0000000 --- a/misc/portable stereo active speaker/mono audio amp module/schematic-cache.lib +++ /dev/null @@ -1,112 +0,0 @@ -EESchema-LIBRARY Version 2.4 -#encoding utf-8 -# -# Amplifier_Audio_TDA2030 -# -DEF Amplifier_Audio_TDA2030 U 0 5 Y Y 1 F N -F0 "U" 150 250 50 H V C CNN -F1 "Amplifier_Audio_TDA2030" 150 150 50 H V C CNN -F2 "Package_TO_SOT_THT:TO-220-5_P3.4x3.7mm_StaggerOdd_Lead3.8mm_Vertical" 0 0 50 H I C CIN -F3 "" 0 0 50 H I C CNN -ALIAS TDA2050 -$FPLIST - TO*220*StaggerOdd* -$ENDFPLIST -DRAW -P 4 0 1 10 -200 200 200 0 -200 -200 -200 200 f -X + 1 -300 100 100 R 50 50 1 1 I -X - 2 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Round ended pincers

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Table of Contents

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1 General

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2 Project description

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-Pincers allow to push LEGO EV3 rounded pins in and also pull them out. -

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make.png -

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-Make sure to have strong infill pattern and thick borders when -printing for maximum strength. -

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-Schematic: -schematic.png -

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-Design has half of the pincers. 2 identical pieces have to be printed -out and connected at the end with glue and screw. -

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make, 2.png -

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3 Download

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Author: Svjatoslav Agejenko

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Created: 2021-04-11 Sun 21:17

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Validate

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- - diff --git a/misc/round pincers/index.org b/misc/round pincers/index.org deleted file mode 100644 index 1fc6f82..0000000 --- a/misc/round pincers/index.org +++ /dev/null @@ -1,50 +0,0 @@ -#+TITLE: Round ended pincers -#+AUTHOR: Svjatoslav Agejenko -#+LANGUAGE: en - -* (document settings) :noexport: -** use dark style for TWBS-HTML exporter -#+HTML_HEAD: -#+HTML_HEAD: -#+HTML_HEAD: -#+HTML_HEAD: - -* General -+ DISCLAIMER: I DO ELECTRONICS AND 3D DESIGN SOLELY AS A HOBBY. THERE - COULD BE ERRORS THAT CAN RESULT IN ALL KINDS OF DAMAGE. USE THESE - DESIGNS AT YOUR OWN RISK. - -+ This design is released under Creative Commons Zero (CC0) license. - -+ Author: - - Svjatoslav Agejenko - - Homepage: https://svjatoslav.eu - - Email: [[mailto://svjatoslav@svjatoslav.eu][svjatoslav@svjatoslav.eu]] - -+ See also: - - [[../../index.html][Other physical projects in this repository]] - - [[https://www.svjatoslav.eu/projects/][Other projects hosted at svjatoslav.eu]] - -* Project description -Pincers allow to push LEGO EV3 rounded pins in and also pull them out. - -[[file:make.png]] - -Make sure to have strong infill pattern and thick borders when -printing for maximum strength. - -Schematic: -[[file:schematic.png]] - -Design has half of the pincers. 2 identical pieces have to be printed -out and connected at the end with glue and screw. - -[[file:make, 2.png]] - -* Download - -- [[file:round pincers.FCStd][FreeCAD project]] -- [[file:round pincers.stl][STL file]] diff --git a/misc/round pincers/make, 2.png b/misc/round pincers/make, 2.png deleted file mode 100644 index 65494e1..0000000 Binary files a/misc/round pincers/make, 2.png and /dev/null differ diff --git a/misc/round pincers/make.png b/misc/round pincers/make.png deleted file mode 100644 index b3885ec..0000000 Binary files a/misc/round pincers/make.png and /dev/null differ diff --git a/misc/round pincers/round pincers.FCStd b/misc/round pincers/round pincers.FCStd deleted file mode 100644 index ed30855..0000000 Binary files a/misc/round pincers/round pincers.FCStd and /dev/null differ diff --git a/misc/round pincers/round pincers.stl b/misc/round pincers/round pincers.stl deleted file mode 100644 index 2d66f0f..0000000 Binary files a/misc/round pincers/round pincers.stl and /dev/null differ diff --git a/misc/round pincers/schematic.png b/misc/round pincers/schematic.png deleted file mode 100644 index 41ae330..0000000 Binary files a/misc/round pincers/schematic.png and /dev/null differ diff --git a/misc/window fixator/index.html b/misc/window fixator/index.html deleted file mode 100644 index 55fbaa0..0000000 --- a/misc/window fixator/index.html +++ /dev/null @@ -1,286 +0,0 @@ - - - -Window holder - - - - - - - - - - - - - -
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Window holder

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2 Project description

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make.png -

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-Keeps window open so that strong wind will not slam it close. -

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schematic.png -

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-Download: -

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Author: Svjatoslav Agejenko

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Created: 2020-06-22 Mon 20:54

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Emacs 26.1 (Org-mode 9.1.9)

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- - diff --git a/misc/window fixator/index.org b/misc/window fixator/index.org deleted file mode 100644 index f561a1a..0000000 --- a/misc/window fixator/index.org +++ /dev/null @@ -1,42 +0,0 @@ -#+TITLE: Window holder -#+AUTHOR: Svjatoslav Agejenko -#+LANGUAGE: en - -* (document settings) :noexport: -** use dark style for TWBS-HTML exporter -#+HTML_HEAD: -#+HTML_HEAD: -#+HTML_HEAD: -#+HTML_HEAD: - -* General -+ DISCLAIMER: I DO ELECTRONICS AND 3D DESIGN SOLELY AS A HOBBY. THERE - COULD BE ERRORS THAT CAN RESULT IN ALL KINDS OF DAMAGE. USE THESE - DESIGNS AT YOUR OWN RISK. - -+ This design is released under Creative Commons Zero (CC0) license. - -+ Authors: - - Svjatoslav Agejenko - - Homepage: https://svjatoslav.eu - - Email: [[mailto://svjatoslav@svjatoslav.eu][svjatoslav@svjatoslav.eu]] - - - Valeria Agejenko - -+ See also: - - [[../../index.html][Other physical projects in this repository]] - - [[https://www.svjatoslav.eu/projects/][Other projects hosted at svjatoslav.eu]] - -* Project description -[[file:make.png]] - -Keeps window open so that strong wind will not slam it close. - -[[file:schematic.png]] - -Download: -+ [[file:window%20fixator.stl][STL file]] -+ [[file:window%20fixator.FCStd][FreeCAD file]] diff --git a/misc/window fixator/make.png b/misc/window fixator/make.png deleted file mode 100644 index da77dd1..0000000 Binary files a/misc/window fixator/make.png and /dev/null differ diff --git a/misc/window fixator/schematic.png b/misc/window fixator/schematic.png deleted file mode 100644 index b8dec73..0000000 Binary files a/misc/window fixator/schematic.png and /dev/null differ diff --git a/misc/window fixator/window fixator.FCStd b/misc/window fixator/window fixator.FCStd deleted file mode 100644 index c932ba5..0000000 Binary files a/misc/window fixator/window fixator.FCStd and /dev/null differ diff --git a/misc/window fixator/window fixator.stl b/misc/window fixator/window fixator.stl deleted file mode 100644 index d5afa51..0000000 Binary files a/misc/window fixator/window fixator.stl and /dev/null differ diff --git a/repository handling tools/open with IntelliJ IDEA b/repository handling tools/open with IntelliJ IDEA new file mode 100755 index 0000000..de9bae5 --- /dev/null +++ b/repository handling tools/open with IntelliJ IDEA @@ -0,0 +1,18 @@ +#!/bin/bash + +# +# This is a helper bash script that starts IntelliJ with the current project. +# Script is written is such a way that you can simply click on it in file +# navigator to run it. +# +# +# Script assumes: +# +# + GNU operating system +# + IntelliJ is installed and commandline launcher "idea" is enabled. +# + +cd "${0%/*}" +cd .. + +setsid idea . &>/dev/null