--- /dev/null
+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