--- /dev/null
+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
--- /dev/null
+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
+$Comp
+L Device:C C2
+U 1 1 5E93DE05
+P 3750 2600
+F 0 "C2" H 3865 2646 50 0000 L CNN
+F 1 "0.1u" H 3865 2555 50 0000 L CNN
+F 2 "" H 3788 2450 50 0001 C CNN
+F 3 "~" H 3750 2600 50 0001 C CNN
+ 1 3750 2600
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 3100 2350 3100 2450
+Wire Wire Line
+ 4150 2350 4150 3100
+$Comp
+L Connector:Conn_01x01_Male J1
+U 1 1 5E941037
+P 1900 2350
+F 0 "J1" H 2008 2531 50 0000 C CNN
+F 1 "4, 5: +20V in" H 2008 2440 50 0000 C CNN
+F 2 "" H 1900 2350 50 0001 C CNN
+F 3 "~" H 1900 2350 50 0001 C CNN
+ 1 1900 2350
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 2100 2350 2300 2350
+Connection ~ 3100 2350
+Wire Wire Line
+ 3100 2350 3750 2350
+$Comp
+L Device:C C1
+U 1 1 5E947A16
+P 2300 2600
+F 0 "C1" H 2415 2646 50 0000 L CNN
+F 1 "220u" H 2415 2555 50 0000 L CNN
+F 2 "" H 2338 2450 50 0001 C CNN
+F 3 "~" H 2300 2600 50 0001 C CNN
+ 1 2300 2600
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 2300 2450 2300 2350
+Connection ~ 2300 2350
+$Comp
+L power:GND #PWR01
+U 1 1 5E94DCC8
+P 2300 2850
+F 0 "#PWR01" H 2300 2600 50 0001 C CNN
+F 1 "GND" H 2305 2677 50 0000 C CNN
+F 2 "" H 2300 2850 50 0001 C CNN
+F 3 "" H 2300 2850 50 0001 C CNN
+ 1 2300 2850
+ 1 0 0 -1
+$EndComp
+$Comp
+L power:GND #PWR02
+U 1 1 5E94E046
+P 3750 2850
+F 0 "#PWR02" H 3750 2600 50 0001 C CNN
+F 1 "GND" H 3755 2677 50 0000 C CNN
+F 2 "" H 3750 2850 50 0001 C CNN
+F 3 "" H 3750 2850 50 0001 C CNN
+ 1 3750 2850
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 2300 2850 2300 2750
+Wire Wire Line
+ 3750 2850 3750 2750
+$Comp
+L power:GND #PWR05
+U 1 1 5E954AB9
+P 4150 3750
+F 0 "#PWR05" H 4150 3500 50 0001 C CNN
+F 1 "GND" H 4155 3577 50 0000 C CNN
+F 2 "" H 4150 3750 50 0001 C CNN
+F 3 "" H 4150 3750 50 0001 C CNN
+ 1 4150 3750
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 4150 3750 4150 3700
+$Comp
+L Device:C C5
+U 1 1 5E955467
+P 3800 4450
+F 0 "C5" H 3915 4496 50 0000 L CNN
+F 1 "2.2u" H 3915 4405 50 0000 L CNN
+F 2 "" H 3838 4300 50 0001 C CNN
+F 3 "~" H 3800 4450 50 0001 C CNN
+ 1 3800 4450
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 3800 4300 3800 4200
+Wire Wire Line
+ 3800 3500 3950 3500
+$Comp
+L Device:R R5
+U 1 1 5E95609E
+P 3800 4850
+F 0 "R5" H 3870 4896 50 0000 L CNN
+F 1 "4k7" H 3870 4805 50 0000 L CNN
+F 2 "" V 3730 4850 50 0001 C CNN
+F 3 "~" H 3800 4850 50 0001 C CNN
+ 1 3800 4850
+ 1 0 0 -1
+$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
+$Comp
+L Connector:Conn_01x01_Male J4
+U 1 1 5E989AED
+P 2000 4750
+F 0 "J4" H 2108 4931 50 0000 C CNN
+F 1 "1, 2: GND" H 2108 4840 50 0000 C CNN
+F 2 "" H 2000 4750 50 0001 C CNN
+F 3 "~" H 2000 4750 50 0001 C CNN
+ 1 2000 4750
+ 1 0 0 -1
+$EndComp
+$Comp
+L power:GND #PWR08
+U 1 1 5E98A1F3
+P 2350 4900
+F 0 "#PWR08" H 2350 4650 50 0001 C CNN
+F 1 "GND" H 2355 4727 50 0000 C CNN
+F 2 "" H 2350 4900 50 0001 C CNN
+F 3 "" H 2350 4900 50 0001 C CNN
+ 1 2350 4900
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 2350 4900 2350 4750
+Wire Wire Line
+ 2350 4750 2200 4750
+$EndSCHEMATC