364 lines
7.1 KiB
Plaintext
364 lines
7.1 KiB
Plaintext
EESchema Schematic File Version 2
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LIBS:power
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LIBS:device
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LIBS:switches
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LIBS:relays
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LIBS:motors
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LIBS:transistors
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LIBS:conn
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LIBS:linear
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LIBS:regul
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LIBS:74xx
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LIBS:cmos4000
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LIBS:adc-dac
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LIBS:memory
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LIBS:xilinx
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LIBS:microcontrollers
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LIBS:dsp
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LIBS:microchip
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LIBS:analog_switches
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LIBS:motorola
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LIBS:texas
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LIBS:intel
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LIBS:audio
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LIBS:interface
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LIBS:digital-audio
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LIBS:philips
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LIBS:display
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LIBS:cypress
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LIBS:siliconi
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LIBS:opto
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LIBS:atmel
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LIBS:contrib
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LIBS:valves
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LIBS:lts
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EELAYER 25 0
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EELAYER END
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$Descr USLetter 11000 8500
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encoding utf-8
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Sheet 2 2
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Title "Power Supply"
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Date "2018-02-06"
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Rev "AA"
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Comp "Let's Talk Science"
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Comment1 "Shawn Nock <shawn@monadnock.ca>"
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Comment2 ""
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Comment3 ""
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Comment4 ""
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$EndDescr
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$Comp
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L AP3012 U?
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U 1 1 5A79E0C7
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P 7350 4850
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F 0 "U?" H 7550 5050 60 0000 C CNN
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F 1 "AP3012" H 7350 4650 60 0000 C CNN
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F 2 "" H 7250 4800 60 0001 C CNN
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F 3 "" H 7250 4800 60 0001 C CNN
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1 7350 4850
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1 0 0 -1
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$EndComp
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$Comp
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L GND #PWR?
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U 1 1 5A79E3D2
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P 7150 5300
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F 0 "#PWR?" H 7150 5050 50 0001 C CNN
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F 1 "GND" H 7150 5150 50 0000 C CNN
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F 2 "" H 7150 5300 50 0001 C CNN
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F 3 "" H 7150 5300 50 0001 C CNN
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1 7150 5300
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1 0 0 -1
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$EndComp
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$Comp
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L +3.3V #PWR?
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U 1 1 5A79E3E8
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P 8050 4450
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F 0 "#PWR?" H 8050 4300 50 0001 C CNN
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F 1 "+3.3V" H 8050 4590 50 0000 C CNN
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F 2 "" H 8050 4450 50 0001 C CNN
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F 3 "" H 8050 4450 50 0001 C CNN
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1 8050 4450
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1 0 0 -1
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$EndComp
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Text HLabel 8750 4950 2 60 Input ~ 0
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n5V_SHDN
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$Comp
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L L L?
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U 1 1 5A79E407
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P 7300 4500
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F 0 "L?" V 7250 4500 50 0000 C CNN
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F 1 "10uH" V 7375 4500 50 0000 C CNN
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F 2 "" H 7300 4500 50 0001 C CNN
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F 3 "" H 7300 4500 50 0001 C CNN
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1 7300 4500
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0 -1 -1 0
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$EndComp
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$Comp
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L C C?
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U 1 1 5A79E525
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P 8050 5150
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F 0 "C?" H 8075 5250 50 0000 L CNN
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F 1 "1uF" H 8075 5050 50 0000 L CNN
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F 2 "" H 8088 5000 50 0001 C CNN
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F 3 "" H 8050 5150 50 0001 C CNN
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1 8050 5150
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1 0 0 -1
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$EndComp
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$Comp
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L C C?
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U 1 1 5A79E606
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P 6250 4950
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F 0 "C?" H 6275 5050 50 0000 L CNN
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F 1 "1uF" H 6275 4850 50 0000 L CNN
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F 2 "" H 6288 4800 50 0001 C CNN
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F 3 "" H 6250 4950 50 0001 C CNN
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1 6250 4950
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1 0 0 -1
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$EndComp
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Wire Wire Line
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7450 4500 8050 4500
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Wire Wire Line
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6900 4500 6900 4750
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Wire Wire Line
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6900 4500 7150 4500
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Connection ~ 6900 4500
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$Comp
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L R R?
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U 1 1 5A79E709
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P 6600 4700
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F 0 "R?" V 6680 4700 50 0000 C CNN
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F 1 "30k" V 6600 4700 50 0000 C CNN
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F 2 "" V 6530 4700 50 0001 C CNN
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F 3 "" H 6600 4700 50 0001 C CNN
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1 6600 4700
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1 0 0 -1
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$EndComp
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$Comp
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L R R?
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U 1 1 5A79E796
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P 6600 5150
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F 0 "R?" V 6680 5150 50 0000 C CNN
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F 1 "10k" V 6600 5150 50 0000 C CNN
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F 2 "" V 6530 5150 50 0001 C CNN
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F 3 "" H 6600 5150 50 0001 C CNN
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1 6600 5150
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1 0 0 -1
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$EndComp
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Wire Wire Line
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6900 4950 6600 4950
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Wire Wire Line
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6600 4500 6250 4500
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Wire Wire Line
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6250 4500 6250 4800
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Wire Wire Line
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6250 5100 6250 5300
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Wire Wire Line
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6250 5300 8050 5300
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Connection ~ 6600 5300
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Wire Wire Line
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8050 4450 8050 5000
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Wire Wire Line
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7800 4750 8050 4750
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Connection ~ 8050 4750
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Connection ~ 8050 4500
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Wire Wire Line
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7800 4950 8750 4950
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$Comp
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L +5V #PWR?
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U 1 1 5A79EB81
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P 6250 4500
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F 0 "#PWR?" H 6250 4350 50 0001 C CNN
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F 1 "+5V" H 6250 4640 50 0000 C CNN
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F 2 "" H 6250 4500 50 0001 C CNN
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F 3 "" H 6250 4500 50 0001 C CNN
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1 6250 4500
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1 0 0 -1
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$EndComp
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Wire Wire Line
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6600 4850 6600 5000
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Connection ~ 6600 4950
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Wire Wire Line
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6600 4550 6600 4500
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Wire Wire Line
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6900 4850 6800 4850
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Wire Wire Line
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6800 4850 6800 5300
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Connection ~ 6800 5300
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$Comp
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L D_Schottky D?
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U 1 1 5A79ED7A
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P 6750 4500
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F 0 "D?" H 6750 4600 50 0000 C CNN
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F 1 "1N5819" H 6750 4700 50 0000 C CNN
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F 2 "" H 6750 4500 50 0001 C CNN
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F 3 "" H 6750 4500 50 0001 C CNN
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1 6750 4500
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1 0 0 -1
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$EndComp
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$Comp
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L Barrel_Jack J?
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U 1 1 5A79F4E7
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P 4050 2550
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F 0 "J?" H 4050 2760 50 0000 C CNN
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F 1 "4.6-15V" H 4050 2400 50 0000 C CNN
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F 2 "" H 4100 2510 50 0001 C CNN
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F 3 "" H 4100 2510 50 0001 C CNN
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1 4050 2550
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1 0 0 -1
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$EndComp
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$Comp
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L GND #PWR?
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U 1 1 5A79F5EE
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P 5050 2750
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F 0 "#PWR?" H 5050 2500 50 0001 C CNN
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F 1 "GND" H 5050 2600 50 0000 C CNN
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F 2 "" H 5050 2750 50 0001 C CNN
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F 3 "" H 5050 2750 50 0001 C CNN
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1 5050 2750
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1 0 0 -1
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$EndComp
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Wire Wire Line
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4350 2450 4750 2450
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Wire Wire Line
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4450 2750 5500 2750
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$Comp
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L USB_B J?
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U 1 1 5A79F6C3
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P 2650 4750
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F 0 "J?" H 2450 5200 50 0000 L CNN
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F 1 "USB_B" H 2450 5100 50 0000 L CNN
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F 2 "" H 2800 4700 50 0001 C CNN
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F 3 "" H 2800 4700 50 0001 C CNN
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1 2650 4750
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1 0 0 -1
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$EndComp
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NoConn ~ 2950 4750
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NoConn ~ 2950 4850
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$Comp
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L GND #PWR?
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U 1 1 5A79F8F4
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P 2650 5250
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F 0 "#PWR?" H 2650 5000 50 0001 C CNN
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F 1 "GND" H 2650 5100 50 0000 C CNN
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F 2 "" H 2650 5250 50 0001 C CNN
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F 3 "" H 2650 5250 50 0001 C CNN
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1 2650 5250
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1 0 0 -1
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$EndComp
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Wire Wire Line
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2550 5150 3150 5150
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Wire Wire Line
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2650 5150 2650 5250
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Connection ~ 2650 5150
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Wire Wire Line
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2950 4550 3150 4550
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$Comp
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L AP1117-50 U?
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U 1 1 5A79FF9F
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P 5050 2450
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F 0 "U?" H 5200 2200 50 0000 C CNN
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F 1 "AP1117-50" H 4850 2600 50 0000 L CNN
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F 2 "TO_SOT_Packages_SMD:SOT-223-3Lead_TabPin2" H 5050 2650 50 0001 C CNN
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F 3 "" H 5150 2200 50 0001 C CNN
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1 5050 2450
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1 0 0 -1
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$EndComp
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Wire Wire Line
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4350 2650 4450 2750
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$Comp
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L +5V #PWR?
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U 1 1 5A7A00D8
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P 5500 2450
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F 0 "#PWR?" H 5500 2300 50 0001 C CNN
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F 1 "+5V" H 5500 2590 50 0000 C CNN
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F 2 "" H 5500 2450 50 0001 C CNN
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F 3 "" H 5500 2450 50 0001 C CNN
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1 5500 2450
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1 0 0 -1
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$EndComp
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Wire Wire Line
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5350 2450 5500 2450
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$Comp
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L C C?
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U 1 1 5A7A0240
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P 4600 2600
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F 0 "C?" H 4625 2700 50 0000 L CNN
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F 1 "1uF" H 4625 2500 50 0000 L CNN
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F 2 "" H 4638 2450 50 0001 C CNN
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F 3 "" H 4600 2600 50 0001 C CNN
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1 4600 2600
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1 0 0 -1
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$EndComp
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$Comp
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L C C?
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U 1 1 5A7A02C6
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P 5500 2600
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F 0 "C?" H 5525 2700 50 0000 L CNN
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F 1 "4.7uF" H 5525 2500 50 0000 L CNN
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F 2 "" H 5538 2450 50 0001 C CNN
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F 3 "" H 5500 2600 50 0001 C CNN
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1 5500 2600
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1 0 0 -1
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$EndComp
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Connection ~ 5050 2750
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Connection ~ 4600 2450
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Connection ~ 4600 2750
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$Comp
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L +5V #PWR?
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U 1 1 5A7A0403
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P 3150 4550
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F 0 "#PWR?" H 3150 4400 50 0001 C CNN
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F 1 "+5V" H 3150 4690 50 0000 C CNN
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F 2 "" H 3150 4550 50 0001 C CNN
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F 3 "" H 3150 4550 50 0001 C CNN
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1 3150 4550
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1 0 0 -1
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$EndComp
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Wire Notes Line
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5950 5650 5950 4050
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Wire Notes Line
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5950 4050 8500 4050
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Wire Notes Line
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8500 4050 8500 5650
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Wire Notes Line
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8500 5650 5950 5650
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Text Notes 5950 4050 0 60 ~ 0
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5V from Microbit's 3V3
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Wire Notes Line
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2050 4000 2050 5700
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Wire Notes Line
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2050 5700 3400 5700
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Wire Notes Line
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3400 5700 3400 4000
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Wire Notes Line
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3400 4000 2050 4000
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Text Notes 2050 4000 0 60 ~ 0
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Power-only USB
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Connection ~ 5500 2450
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Wire Notes Line
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3750 2100 3750 3000
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Wire Notes Line
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3750 3000 5850 3000
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Wire Notes Line
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5850 3000 5850 2100
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Wire Notes Line
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5850 2100 3750 2100
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Text Notes 3750 2100 0 60 ~ 0
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Wall-wart Power Supply
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$Comp
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L CP C?
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U 1 1 5A7A108D
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P 3150 4800
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F 0 "C?" H 3175 4900 50 0000 L CNN
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F 1 "47uF" H 3175 4700 50 0000 L CNN
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F 2 "" H 3188 4650 50 0001 C CNN
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F 3 "" H 3150 4800 50 0001 C CNN
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1 3150 4800
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1 0 0 -1
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$EndComp
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Wire Wire Line
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3150 5150 3150 4950
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Wire Wire Line
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3150 4550 3150 4650
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Connection ~ 3150 4550
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$EndSCHEMATC
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