EESchema Schematic File Version 2  date Sun 14 Jul 2013 08:14:37 PM CEST
LIBS:power
LIBS:lm337
LIBS:lm317
LIBS:ltc1446
LIBS:crystalosc
LIBS:atmega88
LIBS:device
LIBS:conn
LIBS:linear
LIBS:regul
LIBS:74xx
LIBS:cmos4000
LIBS:adc-dac
LIBS:memory
LIBS:xilinx
LIBS:special
LIBS:microcontrollers
LIBS:microchip
LIBS:analog_switches
LIBS:motorola
LIBS:intel
LIBS:audio
LIBS:interface
LIBS:digital-audio
LIBS:philips
LIBS:display
LIBS:cypress
LIBS:siliconi
LIBS:contrib
LIBS:psu-cache
EELAYER 25  0
EELAYER END
$Descr A2 23400 16535
encoding utf-8
Sheet 1 1
Title "OpenPSU - Power Supply Unit"
Date "14 jul 2013"
Rev ""
Comp ""
Comment1 "Public Domain"
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
Wire Wire Line
	4500 11400 4500 11650
Connection ~ 1700 4700
Wire Wire Line
	1700 4700 1100 4700
Wire Wire Line
	1100 4700 1100 4800
Connection ~ 1800 7050
Wire Wire Line
	1800 7050 1450 7050
Wire Wire Line
	1450 7050 1450 6800
Wire Wire Line
	1450 6800 1100 6800
Wire Wire Line
	1800 6650 1800 7300
Wire Wire Line
	1600 6650 1600 6750
Wire Wire Line
	1600 6750 2500 6750
Wire Wire Line
	2500 6750 2500 6100
Wire Wire Line
	9700 8650 10550 8650
Connection ~ 9000 7300
Wire Wire Line
	8450 7300 9000 7300
Connection ~ 7050 2550
Wire Wire Line
	6550 3450 7050 3450
Wire Wire Line
	7050 3450 7050 2400
Wire Wire Line
	6950 2950 7800 2950
Wire Wire Line
	5450 1700 5450 1450
Wire Wire Line
	5100 1450 6100 1450
Wire Wire Line
	7050 1200 8350 1200
Wire Wire Line
	9250 1200 9250 1450
Wire Wire Line
	9250 1200 9150 1200
Connection ~ 8200 1200
Wire Wire Line
	8200 1450 8200 1200
Wire Wire Line
	18000 2600 18000 3250
Wire Wire Line
	14800 2500 14800 1350
Connection ~ 20700 13900
Wire Wire Line
	20700 14350 20700 13250
Wire Wire Line
	1300 8250 1000 8250
Wire Wire Line
	8400 6550 8400 6600
Wire Wire Line
	9000 7900 9000 6250
Connection ~ 7900 10700
Wire Wire Line
	7900 10750 7900 10700
Connection ~ 7550 10700
Wire Wire Line
	7550 10750 7550 10700
Connection ~ 7900 11200
Wire Wire Line
	7550 11150 7550 11200
Wire Wire Line
	7550 11200 7900 11200
Wire Wire Line
	7900 11250 7900 11150
Connection ~ 7900 11750
Wire Wire Line
	7200 10700 9250 10700
Connection ~ 6650 10400
Connection ~ 6650 10700
Wire Wire Line
	6650 10700 6650 10250
Wire Wire Line
	6650 10400 6700 10400
Wire Wire Line
	6650 10250 6950 10250
Connection ~ 7250 10700
Wire Wire Line
	7250 10750 7250 10400
Wire Wire Line
	7250 11250 7250 11750
Wire Wire Line
	7250 11750 9550 11750
Wire Wire Line
	6700 10700 6300 10700
Wire Wire Line
	7250 10400 7200 10400
Connection ~ 8250 13750
Wire Wire Line
	4700 13750 12050 13750
Wire Wire Line
	4700 13750 4700 13300
Wire Wire Line
	4700 13300 3550 13300
Wire Wire Line
	3550 13300 3550 14050
Wire Wire Line
	3550 14050 3650 14050
Connection ~ 4700 14150
Wire Wire Line
	4650 14150 13550 14150
Wire Wire Line
	13550 14150 13550 6750
Wire Wire Line
	4050 14600 4050 14550
Wire Wire Line
	4050 13700 4050 13750
Wire Wire Line
	2800 14900 2950 14900
Connection ~ 4200 14900
Wire Wire Line
	4700 14150 4700 14900
Wire Wire Line
	4700 14900 4150 14900
Wire Wire Line
	4200 14900 4200 15100
Wire Wire Line
	4200 15100 3900 15100
Wire Wire Line
	3900 15100 3900 15050
Connection ~ 3550 14900
Wire Wire Line
	3650 14250 3550 14250
Wire Wire Line
	3550 14250 3550 14900
Wire Wire Line
	3650 14900 3450 14900
Wire Wire Line
	4500 9300 4500 9000
Wire Wire Line
	4500 9000 9850 9000
Wire Wire Line
	4900 10200 4700 10200
Wire Wire Line
	4500 9800 4500 9900
Wire Wire Line
	2450 9550 3650 9550
Wire Wire Line
	3650 9550 3650 10200
Wire Wire Line
	3650 10200 4300 10200
Wire Wire Line
	3850 8050 3850 8850
Wire Wire Line
	3850 8850 1950 8850
Wire Wire Line
	1950 8850 1950 9050
Wire Wire Line
	11800 10000 6850 10000
Wire Wire Line
	6850 10000 6850 8050
Connection ~ 3850 8050
Wire Wire Line
	6850 8050 3350 8050
Connection ~ 9850 8650
Wire Wire Line
	9850 9000 9850 7450
Wire Wire Line
	13550 6750 12700 6750
Connection ~ 13800 6750
Wire Wire Line
	13700 6750 14300 6750
Wire Wire Line
	13800 6750 13800 6850
Wire Bus Line
	16700 6400 14150 6400
Connection ~ 18500 12450
Wire Wire Line
	18500 12600 18500 12450
Wire Wire Line
	19000 12600 19000 12750
Wire Wire Line
	19000 12750 22200 12750
Connection ~ 19150 12750
Wire Wire Line
	19150 12750 19150 11200
Wire Wire Line
	19150 11200 18850 11200
Connection ~ 16500 10800
Wire Wire Line
	16500 10800 16850 10800
Wire Wire Line
	16850 10800 16850 10550
Wire Wire Line
	16850 10550 17050 10550
Connection ~ 17050 11150
Wire Wire Line
	17050 11050 17050 11150
Wire Wire Line
	17350 10800 17300 10800
Wire Wire Line
	16400 10250 16400 11350
Wire Wire Line
	16500 10250 16500 12400
Wire Wire Line
	16600 10250 16600 11850
Wire Wire Line
	16700 10250 16700 11150
Wire Wire Line
	16500 2700 16500 1350
Wire Wire Line
	16500 1350 15650 1350
Connection ~ 16500 1750
Connection ~ 16500 2350
Wire Wire Line
	16200 2350 17000 2350
Wire Wire Line
	17000 2350 17000 2650
Connection ~ 17000 3250
Wire Wire Line
	17000 3150 17000 3250
Connection ~ 18000 3250
Wire Wire Line
	18400 3250 12800 3250
Connection ~ 18000 1750
Wire Wire Line
	17250 1750 18400 1750
Connection ~ 17450 1750
Connection ~ 17450 3250
Wire Wire Line
	17450 2700 17450 3250
Connection ~ 17350 1750
Wire Wire Line
	16750 1750 16200 1750
Wire Wire Line
	17350 1750 17350 2000
Wire Wire Line
	17350 2000 16600 2000
Wire Wire Line
	16600 2000 16600 2700
Connection ~ 3600 6700
Wire Wire Line
	3600 6700 3600 7200
Wire Wire Line
	3600 7200 4400 7200
Connection ~ 4900 6600
Wire Wire Line
	4900 6600 4900 7200
Wire Wire Line
	3650 6500 3650 6100
Wire Wire Line
	3650 6100 2500 6100
Wire Wire Line
	4050 7000 2800 7000
Wire Wire Line
	2800 7000 2800 6950
Wire Wire Line
	4050 6200 2800 6200
Wire Wire Line
	2800 6200 2800 6450
Wire Wire Line
	3550 6700 3650 6700
Wire Wire Line
	2950 6700 3050 6700
Wire Wire Line
	3650 5100 3650 4700
Wire Wire Line
	3650 4700 2400 4700
Wire Wire Line
	2400 4700 2400 6650
Wire Wire Line
	2800 5550 2800 5600
Wire Wire Line
	2800 5600 4050 5600
Wire Wire Line
	4050 4800 2800 4800
Wire Wire Line
	2800 4800 2800 5050
Connection ~ 3600 5300
Wire Wire Line
	3600 5300 3600 5800
Wire Wire Line
	3600 5800 4400 5800
Connection ~ 4900 5200
Wire Wire Line
	4900 5800 4900 5200
Wire Wire Line
	3550 5300 3650 5300
Wire Wire Line
	2950 5300 3050 5300
Wire Wire Line
	6100 5200 6100 12500
Connection ~ 7350 12200
Wire Wire Line
	7350 12050 7350 12500
Wire Wire Line
	7350 12050 7600 12050
Wire Wire Line
	16950 14100 17000 14100
Wire Wire Line
	18000 14100 18050 14100
Wire Notes Line
	16500 13200 18450 13200
Wire Wire Line
	20700 13250 21100 13250
Wire Wire Line
	21000 13250 21000 13350
Wire Wire Line
	19850 13050 18850 13050
Connection ~ 10950 13100
Wire Wire Line
	7600 9250 7600 6750
Wire Wire Line
	7600 9250 13250 9250
Wire Wire Line
	13250 9250 13250 13850
Wire Wire Line
	13250 13850 11600 13850
Wire Wire Line
	11600 13850 11600 13100
Wire Wire Line
	11600 13100 10800 13100
Connection ~ 10950 13600
Wire Wire Line
	11150 13600 10600 13600
Connection ~ 10600 13200
Wire Wire Line
	10800 13100 10800 13200
Wire Wire Line
	10800 13200 10400 13200
Connection ~ 10400 12600
Wire Wire Line
	10400 12700 10400 12600
Wire Wire Line
	7600 6750 9650 6750
Wire Wire Line
	9650 6750 9650 6650
Wire Wire Line
	9650 6650 10300 6650
Wire Wire Line
	10300 6650 10300 6550
Wire Wire Line
	10300 6550 10400 6550
Wire Wire Line
	16300 6300 16300 5800
Wire Wire Line
	16300 5800 17000 5800
Wire Wire Line
	16400 6300 16400 5900
Wire Wire Line
	16400 5900 17000 5900
Wire Wire Line
	16500 6300 16500 6000
Wire Wire Line
	16500 6000 17000 6000
Wire Wire Line
	17000 6100 16600 6100
Wire Wire Line
	16600 6100 16600 6300
Wire Wire Line
	17000 6200 16700 6200
Wire Wire Line
	16700 6200 16700 6300
Wire Wire Line
	16800 6300 17000 6300
Wire Bus Line
	14150 6400 14150 6150
Wire Bus Line
	14150 6150 13300 6150
Wire Wire Line
	13800 7050 12700 7050
Wire Wire Line
	13800 6850 12700 6850
Wire Wire Line
	13700 6750 13700 6250
Wire Wire Line
	13600 6250 13600 6650
Wire Wire Line
	13600 6650 12700 6650
Wire Wire Line
	13500 6250 13500 6550
Wire Wire Line
	13500 6550 12700 6550
Wire Wire Line
	13400 6250 13400 6450
Wire Wire Line
	13400 6450 12700 6450
Wire Wire Line
	13300 6250 13300 6350
Wire Wire Line
	13300 6350 12700 6350
Wire Wire Line
	13200 6250 12700 6250
Connection ~ 11700 13750
Wire Wire Line
	12050 13750 12050 13450
Connection ~ 12050 12600
Wire Wire Line
	12050 12950 12050 12050
Wire Wire Line
	11200 11750 12250 11750
Wire Wire Line
	8250 13750 8250 12700
Wire Wire Line
	11700 13750 11700 11850
Wire Wire Line
	11700 11850 12250 11850
Wire Wire Line
	9550 11750 9550 11950
Wire Wire Line
	9550 11950 12250 11950
Wire Wire Line
	12050 12050 12250 12050
Wire Wire Line
	12050 12600 12850 12600
Wire Wire Line
	12850 12600 12850 10200
Wire Wire Line
	12850 10200 12100 10200
Wire Wire Line
	12250 12150 12150 12150
Wire Wire Line
	12150 12150 12150 12700
Wire Wire Line
	12150 12700 12950 12700
Wire Wire Line
	12950 12700 12950 9800
Wire Wire Line
	12950 9800 12100 9800
Wire Wire Line
	9250 12100 9250 12200
Wire Wire Line
	9650 10300 9650 10400
Wire Wire Line
	9250 13000 9250 13250
Wire Wire Line
	9650 11200 9650 11450
Connection ~ 8800 12700
Wire Wire Line
	8800 12700 8800 13100
Wire Wire Line
	8800 13100 9400 13100
Wire Wire Line
	9400 13100 9400 13350
Wire Wire Line
	9400 13350 9450 13350
Connection ~ 9900 13100
Connection ~ 9900 12600
Wire Wire Line
	9900 12600 9900 13350
Wire Wire Line
	9900 13350 9850 13350
Wire Wire Line
	8750 12700 8850 12700
Wire Wire Line
	6300 6600 4650 6600
Wire Wire Line
	6300 6600 6300 10700
Wire Wire Line
	11000 12600 9850 12600
Wire Wire Line
	11400 12600 11600 12600
Wire Wire Line
	11600 12600 11600 10000
Wire Wire Line
	8850 12500 7850 12500
Connection ~ 7900 12500
Wire Wire Line
	7900 12500 7900 12550
Wire Wire Line
	7900 13050 7900 13150
Wire Wire Line
	6100 5200 4650 5200
Wire Wire Line
	7350 12500 6100 12500
Wire Wire Line
	7850 12500 7850 12200
Connection ~ 11600 10800
Connection ~ 11600 10000
Wire Wire Line
	11600 10800 11400 10800
Connection ~ 10300 10800
Wire Wire Line
	11000 10800 10250 10800
Connection ~ 9150 10900
Wire Wire Line
	9150 10900 9150 11300
Wire Wire Line
	9150 11300 9800 11300
Wire Wire Line
	9800 11300 9800 11550
Wire Wire Line
	9800 11550 9850 11550
Connection ~ 10300 11300
Wire Wire Line
	10300 10800 10300 11550
Wire Wire Line
	10300 11550 10250 11550
Wire Wire Line
	9000 10900 9250 10900
Connection ~ 9000 11400
Wire Wire Line
	9100 11500 9100 11400
Wire Wire Line
	9100 11400 8750 11400
Wire Wire Line
	8750 11400 8750 11200
Connection ~ 8750 10700
Wire Wire Line
	8750 10800 8750 10700
Wire Wire Line
	3000 8550 2800 8550
Wire Wire Line
	2800 8050 2950 8050
Wire Wire Line
	2300 8550 2300 8400
Wire Wire Line
	2300 8400 2450 8400
Wire Wire Line
	2450 8400 2450 8250
Wire Wire Line
	2800 8550 2800 8450
Connection ~ 2450 8250
Wire Wire Line
	2400 8250 2500 8250
Wire Wire Line
	4650 6600 4650 6450
Wire Wire Line
	4650 5200 4650 5350
Wire Wire Line
	2400 6650 1900 6650
Wire Wire Line
	1900 4300 1900 4900
Wire Wire Line
	1800 4300 1800 4900
Wire Wire Line
	1700 4300 1700 4900
Wire Bus Line
	1800 4200 8150 4200
Wire Bus Line
	8150 4200 8150 7400
Wire Bus Line
	8150 7400 9550 7400
Wire Wire Line
	10400 7350 10200 7350
Wire Wire Line
	10200 7350 10200 7300
Wire Wire Line
	10200 7300 9650 7300
Wire Wire Line
	10400 7250 10300 7250
Wire Wire Line
	10300 7250 10300 7200
Wire Wire Line
	10300 7200 9550 7200
Wire Wire Line
	10400 6750 9900 6750
Wire Wire Line
	9900 6750 9900 7100
Wire Wire Line
	9900 7100 9450 7100
Wire Wire Line
	9450 7100 9450 7300
Wire Wire Line
	9550 7200 9550 7300
Connection ~ 9000 7650
Connection ~ 8900 7550
Connection ~ 8900 6950
Wire Wire Line
	10400 6950 8900 6950
Connection ~ 9000 6850
Wire Wire Line
	10400 6850 9000 6850
Wire Wire Line
	9000 7650 10050 7650
Wire Wire Line
	8900 6650 9400 6650
Connection ~ 8900 6650
Wire Wire Line
	8900 7550 10150 7550
Wire Wire Line
	9800 5850 8900 5850
Wire Notes Line
	18450 13200 18450 14750
Wire Notes Line
	17700 13200 17700 10700
Wire Wire Line
	16950 13700 17000 13700
Wire Wire Line
	19550 12150 18650 12150
Wire Wire Line
	18650 12150 18650 12450
Wire Wire Line
	18650 12450 18250 12450
Connection ~ 18400 12250
Wire Wire Line
	18250 12250 18400 12250
Wire Wire Line
	21950 12150 21950 10850
Wire Wire Line
	21950 12150 21150 12150
Wire Wire Line
	21150 12350 22050 12350
Wire Wire Line
	22050 12350 22050 10750
Wire Wire Line
	22050 10750 21600 10750
Wire Wire Line
	21600 10750 21600 10500
Wire Wire Line
	21950 10850 21500 10850
Wire Wire Line
	21500 10850 21500 10500
Wire Wire Line
	21800 12750 21800 10500
Connection ~ 21800 12750
Connection ~ 21250 11650
Wire Wire Line
	21250 12750 21250 10950
Wire Wire Line
	21250 10950 21500 10950
Wire Wire Line
	21500 10950 21500 11050
Connection ~ 21350 11550
Wire Wire Line
	21500 11550 21350 11550
Wire Wire Line
	21150 11950 21500 11950
Wire Wire Line
	21150 11450 21500 11450
Wire Wire Line
	19400 11950 19550 11950
Wire Wire Line
	19400 11550 19550 11550
Wire Wire Line
	19400 11450 19550 11450
Wire Wire Line
	19400 11050 19550 11050
Wire Wire Line
	19550 12350 18850 12350
Wire Wire Line
	18850 12350 18850 11750
Wire Wire Line
	18850 11750 18700 11750
Connection ~ 21350 12850
Wire Wire Line
	21350 12850 21350 11050
Wire Wire Line
	21350 11050 21150 11050
Connection ~ 21250 12750
Wire Wire Line
	21250 11650 21150 11650
Wire Wire Line
	22200 12750 22200 14900
Wire Wire Line
	22000 13350 22000 12850
Wire Wire Line
	18400 11950 18400 12850
Wire Wire Line
	18400 12850 22000 12850
Connection ~ 22000 13250
Connection ~ 21500 14900
Wire Wire Line
	22200 14900 19000 14900
Wire Wire Line
	18250 11550 18400 11550
Wire Wire Line
	18250 11200 18350 11200
Wire Wire Line
	18000 13700 18050 13700
Connection ~ 20700 14900
Wire Wire Line
	21500 14900 21500 13550
Connection ~ 21500 13750
Wire Wire Line
	22000 13750 21000 13750
Wire Wire Line
	22000 13250 21900 13250
Connection ~ 21000 13250
Wire Wire Line
	20700 14900 20700 14750
Wire Wire Line
	19000 14900 19000 13900
Wire Wire Line
	19850 14750 18850 14750
Wire Wire Line
	18850 14750 18850 14100
Wire Wire Line
	18850 13050 18850 13700
Wire Wire Line
	17050 12400 17150 12400
Wire Wire Line
	16500 12400 16550 12400
Connection ~ 17000 11350
Wire Wire Line
	17000 11650 17000 11350
Wire Wire Line
	16600 11850 16700 11850
Wire Wire Line
	17000 12050 17150 12050
Wire Wire Line
	16700 11150 17150 11150
Wire Wire Line
	16400 11350 17150 11350
Wire Wire Line
	14800 5400 14800 5000
Wire Wire Line
	14800 5000 15450 5000
Wire Wire Line
	9400 6650 9400 6450
Connection ~ 9000 6550
Wire Wire Line
	9000 6550 9300 6550
Wire Wire Line
	9300 6550 9300 6450
Wire Bus Line
	9100 5050 11450 5050
Wire Bus Line
	9100 5050 9100 6350
Wire Bus Line
	9100 6350 9500 6350
Wire Wire Line
	15450 5100 14900 5100
Wire Wire Line
	14900 5100 14900 5400
Wire Wire Line
	15450 5200 15000 5200
Wire Wire Line
	15000 5200 15000 5400
Wire Wire Line
	15450 5300 15100 5300
Wire Wire Line
	15100 5300 15100 5400
Wire Bus Line
	15000 5500 11450 5500
Wire Bus Line
	11450 5500 11450 5050
Wire Wire Line
	10200 6550 9500 6550
Wire Wire Line
	10400 6450 10200 6450
Wire Wire Line
	10200 6450 10200 6550
Wire Wire Line
	9600 6450 10100 6450
Wire Wire Line
	10100 6450 10100 6350
Wire Wire Line
	10100 6350 10400 6350
Wire Wire Line
	9500 6550 9500 6450
Wire Wire Line
	9700 6250 9700 5400
Wire Wire Line
	9700 6250 9000 6250
Connection ~ 9550 5850
Wire Wire Line
	9550 5850 9550 5200
Wire Wire Line
	12350 8400 12350 8050
Wire Wire Line
	12100 8250 12250 8250
Wire Wire Line
	12250 8250 12250 8050
Wire Wire Line
	11500 8250 11600 8250
Wire Wire Line
	11050 8650 11300 8650
Wire Wire Line
	11300 8650 11300 8550
Wire Wire Line
	9850 7450 10400 7450
Wire Wire Line
	10900 8250 11100 8250
Connection ~ 12900 7150
Wire Wire Line
	12700 7150 13300 7150
Wire Wire Line
	13300 7150 13300 7850
Connection ~ 13000 7250
Wire Wire Line
	12700 7250 13200 7250
Wire Wire Line
	13200 7250 13200 7850
Connection ~ 9200 8000
Wire Wire Line
	9200 7550 9200 8350
Wire Wire Line
	9200 8350 10150 8350
Wire Wire Line
	10150 8350 10150 8050
Wire Wire Line
	10050 8050 10050 8250
Wire Wire Line
	10050 8250 9700 8250
Wire Wire Line
	9700 8250 9700 7850
Connection ~ 9200 7850
Connection ~ 9200 7550
Wire Wire Line
	9200 8000 9450 8000
Wire Wire Line
	10050 7650 10050 7850
Wire Wire Line
	10150 7550 10150 7850
Wire Bus Line
	10150 7950 14150 7950
Connection ~ 13000 7350
Wire Wire Line
	13000 7850 13000 7350
Wire Wire Line
	12700 7450 12900 7450
Wire Wire Line
	12900 7450 12900 7850
Wire Wire Line
	12700 7550 12800 7550
Wire Wire Line
	12800 7550 12800 7850
Wire Wire Line
	10400 7550 10250 7550
Wire Wire Line
	10250 7550 10250 7850
Wire Bus Line
	14150 7950 14150 7500
Wire Bus Line
	14150 7500 17000 7500
Wire Wire Line
	17100 7400 17100 6600
Wire Wire Line
	17100 6600 16200 6600
Wire Wire Line
	17000 7400 17000 6700
Wire Wire Line
	17000 6700 16200 6700
Wire Wire Line
	16900 7400 16900 6800
Wire Wire Line
	16900 6800 16200 6800
Wire Wire Line
	16200 6900 16800 6900
Wire Wire Line
	16800 6900 16800 7400
Wire Wire Line
	16700 7400 16700 7000
Wire Wire Line
	16700 7000 16200 7000
Wire Wire Line
	16200 7100 16600 7100
Wire Wire Line
	16600 7100 16600 7400
Wire Wire Line
	16500 7400 16500 7200
Wire Wire Line
	16500 7200 16200 7200
Wire Wire Line
	16400 7400 16400 7300
Wire Wire Line
	16400 7300 16200 7300
Wire Wire Line
	14500 7400 14500 6600
Wire Wire Line
	14500 6600 15400 6600
Wire Wire Line
	15400 6700 14600 6700
Wire Wire Line
	14600 6700 14600 7400
Wire Wire Line
	14700 7400 14700 6800
Wire Wire Line
	14700 6800 15400 6800
Wire Wire Line
	15400 6900 14800 6900
Wire Wire Line
	14800 6900 14800 7400
Wire Wire Line
	14900 7400 14900 7000
Wire Wire Line
	14900 7000 15400 7000
Wire Wire Line
	15400 7100 15000 7100
Wire Wire Line
	15000 7100 15000 7400
Wire Wire Line
	15100 7400 15100 7200
Wire Wire Line
	15100 7200 15400 7200
Wire Wire Line
	15400 7300 15200 7300
Wire Wire Line
	15200 7300 15200 7400
Wire Wire Line
	12700 7350 13100 7350
Wire Wire Line
	13100 7350 13100 5700
Wire Wire Line
	13000 7250 13000 5700
Wire Wire Line
	12900 7150 12900 5700
Wire Wire Line
	9550 5200 10550 5200
Wire Wire Line
	10550 5200 10550 5500
Connection ~ 10300 5850
Wire Wire Line
	10450 5500 10450 5300
Wire Wire Line
	10450 5300 9950 5300
Wire Wire Line
	9950 5300 9950 5650
Wire Wire Line
	9950 5650 10300 5650
Wire Wire Line
	10300 5650 10300 6250
Connection ~ 10300 6250
Wire Wire Line
	10300 5850 10200 5850
Wire Wire Line
	10200 6250 10400 6250
Connection ~ 9700 6250
Wire Wire Line
	9700 5400 10350 5400
Wire Wire Line
	10350 5400 10350 5500
Wire Bus Line
	10450 5600 15000 5600
Wire Wire Line
	15450 6300 14600 6300
Wire Wire Line
	15450 6200 14700 6200
Wire Wire Line
	15450 6100 14800 6100
Wire Wire Line
	15450 6000 14900 6000
Wire Wire Line
	15450 5900 15000 5900
Wire Wire Line
	15450 5800 15100 5800
Wire Wire Line
	14600 6300 14600 5700
Wire Wire Line
	14700 6200 14700 5700
Wire Wire Line
	14800 6100 14800 5700
Wire Wire Line
	14900 6000 14900 5700
Wire Wire Line
	15000 5900 15000 5700
Wire Wire Line
	15100 5800 15100 5700
Connection ~ 14300 6950
Wire Wire Line
	14200 6950 14300 6950
Wire Wire Line
	14300 6750 14300 7200
Connection ~ 1950 9550
Connection ~ 1100 9550
Wire Wire Line
	900  9550 1350 9550
Wire Wire Line
	1100 9550 1100 10000
Wire Wire Line
	1850 9550 2050 9550
Wire Wire Line
	1600 10000 1650 10000
Connection ~ 2250 10000
Wire Wire Line
	2050 10000 2450 10000
Wire Wire Line
	2250 10000 2250 9850
Wire Wire Line
	2950 9550 2950 10000
Connection ~ 2950 9550
Wire Wire Line
	18400 3250 18400 2600
Wire Wire Line
	18400 1750 18400 2400
Connection ~ 15900 3250
Wire Wire Line
	17450 1750 17450 2300
Connection ~ 15200 2350
Wire Wire Line
	15200 1350 15200 2750
Wire Wire Line
	15200 2750 15750 2750
Connection ~ 15450 2650
Wire Wire Line
	15100 2650 15650 2650
Wire Wire Line
	15100 2650 15100 2150
Wire Wire Line
	15750 2750 15750 2650
Wire Wire Line
	15750 2650 16200 2650
Wire Wire Line
	15650 2650 15650 2600
Wire Wire Line
	15650 2600 16300 2600
Connection ~ 15450 3250
Wire Wire Line
	15900 3250 15900 2550
Wire Wire Line
	15900 2550 16400 2550
Wire Wire Line
	16400 2550 16400 2700
Wire Wire Line
	16300 2600 16300 2700
Connection ~ 15450 2750
Wire Wire Line
	16200 2650 16200 2700
Connection ~ 14800 3250
Wire Wire Line
	15450 2050 15450 2150
Wire Wire Line
	15450 2150 15100 2150
Wire Wire Line
	15650 2350 15700 2350
Wire Wire Line
	15650 1750 15700 1750
Connection ~ 15200 1350
Wire Wire Line
	15250 1350 14500 1350
Connection ~ 15200 1750
Connection ~ 14800 1350
Wire Wire Line
	15200 2350 15250 2350
Wire Wire Line
	15200 1750 15250 1750
Wire Wire Line
	12800 3250 12800 2200
Wire Wire Line
	14500 1350 14500 2200
Wire Wire Line
	13650 3050 12550 3050
Wire Wire Line
	12550 3050 12550 2400
Wire Wire Line
	12550 2400 12400 2400
Wire Wire Line
	13650 1350 12550 1350
Wire Wire Line
	12550 1350 12550 2000
Wire Wire Line
	12550 2000 12400 2000
Wire Wire Line
	4550 2200 4550 1850
Connection ~ 9600 2200
Wire Wire Line
	9600 2500 9600 1850
Wire Wire Line
	9900 1850 9900 1450
Connection ~ 9600 1450
Wire Wire Line
	9900 1450 9250 1450
Connection ~ 8650 2200
Wire Wire Line
	4550 2200 9600 2200
Connection ~ 9300 1450
Wire Wire Line
	9300 2000 9150 2000
Wire Wire Line
	9300 2000 9300 1950
Connection ~ 8200 2200
Wire Wire Line
	8200 1850 8200 2200
Wire Wire Line
	8650 2200 8650 2000
Connection ~ 8900 1850
Wire Wire Line
	9150 2000 9150 1850
Wire Wire Line
	9150 1850 8750 1850
Connection ~ 5750 1450
Wire Wire Line
	5750 1450 5750 1200
Connection ~ 7500 2950
Wire Wire Line
	7800 2950 7800 2550
Wire Wire Line
	7800 1850 7800 1450
Connection ~ 7500 1450
Wire Wire Line
	7800 1450 7150 1450
Connection ~ 7200 2950
Wire Wire Line
	7500 2550 7500 1850
Connection ~ 7500 2200
Connection ~ 7200 1450
Connection ~ 6100 2950
Wire Wire Line
	6100 2800 6100 2950
Wire Wire Line
	6100 2400 6100 2000
Connection ~ 6100 2200
Wire Wire Line
	6100 1450 6100 1600
Wire Wire Line
	7050 2400 7200 2400
Wire Wire Line
	7200 2400 7200 2450
Wire Wire Line
	7200 2000 7050 2000
Wire Wire Line
	7200 2000 7200 1950
Connection ~ 6800 1850
Wire Wire Line
	7050 2000 7050 1850
Wire Wire Line
	7050 1850 6650 1850
Wire Wire Line
	6550 2000 6550 2400
Connection ~ 6550 2200
Connection ~ 5450 2950
Wire Wire Line
	6150 2950 5150 2950
Connection ~ 5450 2200
Connection ~ 5450 1450
Wire Wire Line
	4750 2950 4700 2950
Wire Wire Line
	4700 2950 4700 1450
Wire Wire Line
	4700 1450 4450 1450
Wire Wire Line
	4550 1850 4450 1850
Wire Wire Line
	8900 5850 8900 7900
Wire Wire Line
	10400 7050 8700 7050
Wire Wire Line
	8700 7050 8700 6550
Wire Wire Line
	8700 5150 8700 5100
Wire Wire Line
	1700 8250 1900 8250
Wire Wire Line
	14800 3250 14800 2900
Wire Wire Line
	18000 2200 18000 1750
Wire Wire Line
	8750 1850 8750 1700
Wire Wire Line
	5750 1200 6250 1200
Wire Wire Line
	6650 1850 6650 1700
Wire Wire Line
	5450 2450 5450 2100
Wire Wire Line
	5450 2950 5450 2850
Wire Wire Line
	7050 2550 6800 2550
Wire Wire Line
	8450 6900 8900 6900
Connection ~ 8900 6900
Wire Wire Line
	9100 8650 9200 8650
Wire Wire Line
	13800 6950 13800 7200
Connection ~ 13800 7050
Wire Wire Line
	1700 6650 1700 7300
Wire Wire Line
	1100 7200 1700 7200
Connection ~ 1700 7200
Wire Wire Line
	1100 5400 1100 5200
Wire Wire Line
	4500 10850 4500 11000
$Comp
L GND #PWR29
U 1 1 51E2CC90
P 4500 11650
F 0 "#PWR29" H 4500 11650 30  0001 C CNN
F 1 "GND" H 4500 11580 30  0001 C CNN
	1    4500 11650
	1    0    0    -1  
$EndComp
$Comp
L +5V #PWR26
U 1 1 51E2CC86
P 4500 10850
F 0 "#PWR26" H 4500 10940 20  0001 C CNN
F 1 "+5V" H 4500 10940 30  0000 C CNN
	1    4500 10850
	1    0    0    -1  
$EndComp
$Comp
L C C19
U 1 1 51E2CC7E
P 4500 11200
F 0 "C19" H 4550 11300 50  0000 L CNN
F 1 "10µF" H 4550 11100 50  0000 L CNN
	1    4500 11200
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR7
U 1 1 51E2CA77
P 1100 5400
F 0 "#PWR7" H 1100 5400 30  0001 C CNN
F 1 "GND" H 1100 5330 30  0001 C CNN
	1    1100 5400
	1    0    0    -1  
$EndComp
$Comp
L C C11
U 1 1 51E2CA5A
P 1100 5000
F 0 "C11" H 1150 5100 50  0000 L CNN
F 1 "47pF" H 1150 4900 50  0000 L CNN
	1    1100 5000
	1    0    0    -1  
$EndComp
$Comp
L C C14
U 1 1 51E2C737
P 1100 7000
F 0 "C14" H 1150 7100 50  0000 L CNN
F 1 "100nF" H 1150 6900 50  0000 L CNN
	1    1100 7000
	1    0    0    -1  
$EndComp
$Comp
L +5V #PWR22
U 1 1 51E2B283
P 9100 8650
F 0 "#PWR22" H 9100 8740 20  0001 C CNN
F 1 "+5V" H 9100 8740 30  0000 C CNN
	1    9100 8650
	0    -1   -1   0   
$EndComp
$Comp
L R R17
U 1 1 51E2B273
P 9450 8650
F 0 "R17" V 9530 8650 50  0000 C CNN
F 1 "1k" V 9450 8650 50  0000 C CNN
	1    9450 8650
	0    1    1    0   
$EndComp
$Comp
L PNP Q7
U 1 1 51E2A99F
P 4500 10100
F 0 "Q7" H 4500 9950 60  0000 R CNN
F 1 "BC557C" H 4500 10250 60  0000 R CNN
	1    4500 10100
	0    -1   1    0   
$EndComp
$Comp
L PNP Q4
U 1 1 51E2A713
P 11300 8350
F 0 "Q4" H 11300 8200 60  0000 R CNN
F 1 "BC557C" H 11300 8500 60  0000 R CNN
	1    11300 8350
	0    1    -1   0   
$EndComp
$Comp
L C C15
U 1 1 4C83BF78
P 8450 7100
F 0 "C15" H 8500 7200 50  0000 L CNN
F 1 "100nF" H 8500 7000 50  0000 L CNN
	1    8450 7100
	-1   0    0    1   
$EndComp
$Comp
L LM337_REGUL U3
U 1 1 4B1ACC63
P 6550 3100
F 0 "U3" H 6550 3400 60  0000 C CNN
F 1 "LM337" H 6600 2850 60  0000 L CNN
	1    6550 3100
	1    0    0    -1  
$EndComp
$Comp
L LM317_REGUL U2
U 1 1 4B1ACC40
P 8750 1350
F 0 "U2" H 8750 1650 60  0000 C CNN
F 1 "LM317" H 8800 1100 60  0000 L CNN
	1    8750 1350
	1    0    0    -1  
$EndComp
$Comp
L LM317_REGUL U1
U 1 1 4B1ACC27
P 6650 1350
F 0 "U1" H 6650 1650 60  0000 C CNN
F 1 "LM317" H 6700 1100 60  0000 L CNN
	1    6650 1350
	1    0    0    -1  
$EndComp
$Comp
L C C8
U 1 1 4B1AC96E
P 5450 2650
F 0 "C8" H 5500 2750 50  0000 L CNN
F 1 "4700uF/25V" H 5500 2550 50  0000 L CNN
	1    5450 2650
	-1   0    0    1   
$EndComp
$Comp
L C C5
U 1 1 4B1AC960
P 5450 1900
F 0 "C5" H 5500 2000 50  0000 L CNN
F 1 "4700uF/25V" H 5500 1800 50  0000 L CNN
	1    5450 1900
	-1   0    0    1   
$EndComp
$Comp
L C C6
U 1 1 4B1AC8D8
P 18000 2400
F 0 "C6" H 18050 2500 50  0000 L CNN
F 1 "10uF/63V" H 18050 2300 50  0000 L CNN
	1    18000 2400
	1    0    0    -1  
$EndComp
$Comp
L C C9
U 1 1 4B1AC869
P 14800 2700
F 0 "C9" H 14850 2800 50  0000 L CNN
F 1 "4700uF/63V" H 14850 2600 50  0000 L CNN
	1    14800 2700
	-1   0    0    1   
$EndComp
Text Notes 8000 15150 0    157  ~ 0
FIXME: This schematic is incomplete and broken
$Comp
L C C28
U 1 1 4B1AC7B8
P 20700 14550
F 0 "C28" H 20750 14650 50  0000 L CNN
F 1 "470uF" H 20750 14450 50  0000 L CNN
	1    20700 14550
	1    0    0    -1  
$EndComp
$Comp
L C C16
U 1 1 4B1AC730
P 1500 8250
F 0 "C16" H 1550 8350 50  0000 L CNN
F 1 "100µF" H 1550 8150 50  0000 L CNN
	1    1500 8250
	0    1    1    0   
$EndComp
$Comp
L GND #PWR10
U 1 1 4B1AC66E
P 8400 6600
F 0 "#PWR10" H 8400 6600 30  0001 C CNN
F 1 "GND" H 8400 6530 30  0001 C CNN
	1    8400 6600
	1    0    0    -1  
$EndComp
$Comp
L +5V #PWR6
U 1 1 4B1AC66A
P 8700 5100
F 0 "#PWR6" H 8700 5190 20  0001 C CNN
F 1 "+5V" H 8700 5190 30  0000 C CNN
	1    8700 5100
	1    0    0    -1  
$EndComp
NoConn ~ 8400 5150
$Comp
L CRYSTALOSC X1
U 1 1 4B1AC616
P 8550 5850
F 0 "X1" H 8550 5550 60  0000 C CNN
F 1 "20MHz OSC" H 8550 5850 60  0000 C CNN
	1    8550 5850
	0    1    1    0   
$EndComp
$Comp
L ATMEGA88 U6
U 1 1 4B1AC584
P 11550 6900
F 0 "U6" H 11550 6073 60  0000 C CNN
F 1 "ATMEGA88" H 11550 7727 60  0000 C CNN
	1    11550 6900
	1    0    0    -1  
$EndComp
$Comp
L C C17
U 1 1 4746FD0B
P 7550 10950
F 0 "C17" H 7600 11050 50  0000 L CNN
F 1 "2uF" H 7600 10850 50  0000 L CNN
	1    7550 10950
	1    0    0    -1  
$EndComp
Text Notes 2550 15450 0    40   ~ 0
Adjust so that the maximum output current (3 amps) results in 5V at the opamp output.
Text Notes 3300 15350 0    60   ~ 0
Current measurement amplifier
$Comp
L -12V #PWR38
U 1 1 4741E566
P 4050 14600
F 0 "#PWR38" H 4050 14730 20  0001 C CNN
F 1 "-12V" H 4050 14700 30  0000 C CNN
	1    4050 14600
	-1   0    0    1   
$EndComp
$Comp
L +12V #PWR35
U 1 1 4741E551
P 4050 13700
F 0 "#PWR35" H 4050 13650 20  0001 C CNN
F 1 "+12V" H 4050 13800 30  0000 C CNN
	1    4050 13700
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR39
U 1 1 4741E541
P 2800 14900
F 0 "#PWR39" H 2800 14900 30  0001 C CNN
F 1 "GND" H 2800 14830 30  0001 C CNN
	1    2800 14900
	0    1    1    0   
$EndComp
$Comp
L POT RV9
U 1 1 4741E510
P 3900 14900
F 0 "RV9" H 3900 14800 50  0000 C CNN
F 1 "50k" H 3900 14900 50  0000 C CNN
	1    3900 14900
	-1   0    0    1   
$EndComp
$Comp
L R R40
U 1 1 4741E4D2
P 3200 14900
F 0 "R40" V 3280 14900 50  0000 C CNN
F 1 "6.8k" V 3200 14900 50  0000 C CNN
	1    3200 14900
	0    1    1    0   
$EndComp
$Comp
L TL082 U12
U 1 1 4741E4C1
P 4150 14150
F 0 "U12" H 4100 14350 60  0000 L CNN
F 1 "TL082" H 4100 13900 60  0000 L CNN
	1    4150 14150
	1    0    0    -1  
$EndComp
Text Label 7750 9250 0    40   ~ 0
Current-limiting-IRQ. This line is pulled low while the circuitry is limiting the Current to the preselected value
$Comp
L R R33
U 1 1 473F3178
P 18750 12600
F 0 "R33" V 18830 12600 50  0000 C CNN
F 1 "1.5k" V 18750 12600 50  0000 C CNN
	1    18750 12600
	0    1    1    0   
$EndComp
$Comp
L R R25
U 1 1 473F30CD
P 17050 10800
F 0 "R25" V 17130 10800 50  0000 C CNN
F 1 "1.5k" V 17050 10800 50  0000 C CNN
	1    17050 10800
	-1   0    0    1   
$EndComp
NoConn ~ 22200 10500
NoConn ~ 22100 10500
NoConn ~ 22000 10500
NoConn ~ 21900 10500
NoConn ~ 21700 10500
NoConn ~ 21400 10500
$Comp
L R R21
U 1 1 4688402C
P 4500 9550
F 0 "R21" V 4580 9550 50  0000 C CNN
F 1 "1k" V 4500 9550 50  0000 C CNN
	1    4500 9550
	1    0    0    -1  
$EndComp
$Comp
L +5V #PWR24
U 1 1 46883FCC
P 4900 10200
F 0 "#PWR24" H 4900 10290 20  0001 C CNN
F 1 "+5V" H 4900 10290 30  0000 C CNN
	1    4900 10200
	0    1    1    0   
$EndComp
Text Notes 3700 10500 0    60   ~ 0
Power-signal from microcontroller
Text Notes 14850 4900 0    40   ~ 0
UART GND is connected to DC-out +
Text Notes 7350 12000 0    40   ~ 0
Start with 50k.
Text Notes 6700 10200 0    40   ~ 0
Start with 50k.
Text Notes 6700 10100 0    40   ~ 0
Max voltage adjustment.
Text Notes 15600 3500 0    50   ~ 0
R3, R5: 4 times 1 Ohm 1W 5% in parallel
Text Notes 15600 3400 0    50   ~ 0
R4: 8 times 2.2 Ohm 1W 5% in parallel
$Comp
L POT RV7
U 1 1 4687E782
P 6950 10400
F 0 "RV7" H 6950 10300 50  0000 C CNN
F 1 "50k" H 6950 10400 50  0000 C CNN
	1    6950 10400
	1    0    0    -1  
$EndComp
Text Notes 16950 3000 1    50   ~ 0
0.5W
$Comp
L R R13
U 1 1 4687B7D8
P 4650 7200
F 0 "R13" V 4730 7200 50  0000 C CNN
F 1 "1k" V 4650 7200 50  0000 C CNN
	1    4650 7200
	0    1    1    0   
$EndComp
$Comp
L R R12
U 1 1 4687B7AB
P 3300 6700
F 0 "R12" V 3380 6700 50  0000 C CNN
F 1 "2.2k" V 3300 6700 50  0000 C CNN
	1    3300 6700
	0    1    1    0   
$EndComp
$Comp
L R R10
U 1 1 4687B711
P 4650 5800
F 0 "R10" V 4730 5800 50  0000 C CNN
F 1 "1k" V 4650 5800 50  0000 C CNN
	1    4650 5800
	0    1    1    0   
$EndComp
$Comp
L R R9
U 1 1 4687B6F1
P 3300 5300
F 0 "R9" V 3380 5300 50  0000 C CNN
F 1 "2.2k" V 3300 5300 50  0000 C CNN
	1    3300 5300
	0    1    1    0   
$EndComp
Text Notes 7350 11900 0    40   ~ 0
Max current adjustment.
$Comp
L POT RV8
U 1 1 4685449E
P 7600 12200
F 0 "RV8" H 7600 12100 50  0000 C CNN
F 1 "50k" H 7600 12200 50  0000 C CNN
	1    7600 12200
	1    0    0    -1  
$EndComp
$Comp
L BREAKER JP1
U 1 1 468504D9
P 17500 14100
F 0 "JP1" H 17500 14050 50  0000 C CNN
F 1 "BREAKER" H 17500 13950 50  0000 C CNN
	1    17500 14100
	1    0    0    -1  
$EndComp
NoConn ~ 21150 12450
NoConn ~ 21150 12250
NoConn ~ 19550 12450
NoConn ~ 19550 12250
NoConn ~ 10400 6650
$Comp
L GND #PWR34
U 1 1 4684E604
P 11150 13600
F 0 "#PWR34" H 11150 13600 30  0001 C CNN
F 1 "GND" H 11150 13530 30  0001 C CNN
	1    11150 13600
	0    -1   -1   0   
$EndComp
$Comp
L R R39
U 1 1 4684E5E7
P 10950 13350
F 0 "R39" V 11030 13350 50  0000 C CNN
F 1 "4.7k" V 10950 13350 50  0000 C CNN
	1    10950 13350
	1    0    0    -1  
$EndComp
$Comp
L ZENER D11
U 1 1 4684E5D1
P 10600 13400
F 0 "D11" H 10600 13550 50  0000 C CNN
F 1 "4.7V" H 10600 13250 40  0000 C CNN
	1    10600 13400
	0    -1   -1   0   
$EndComp
$Comp
L R R36
U 1 1 4684E5AC
P 10400 12950
F 0 "R36" V 10480 12950 50  0000 C CNN
F 1 "2.7k" V 10400 12950 50  0000 C CNN
	1    10400 12950
	1    0    0    -1  
$EndComp
Text Label 16850 6300 0    30   ~ 0
GND
Text Label 16850 6200 0    30   ~ 0
K4
Text Label 16850 6100 0    30   ~ 0
K3
Text Label 16850 6000 0    30   ~ 0
K2
Text Label 16850 5900 0    30   ~ 0
K1
Text Label 16850 5800 0    30   ~ 0
K0
Entry Wire Line
	16200 6400 16300 6300
Entry Wire Line
	16300 6400 16400 6300
Entry Wire Line
	16400 6400 16500 6300
Entry Wire Line
	16500 6400 16600 6300
Entry Wire Line
	16600 6400 16700 6300
Entry Wire Line
	16700 6400 16800 6300
$Comp
L CONN_6 P6
U 1 1 4684E4F9
P 17350 6050
F 0 "P6" V 17300 6050 60  0000 C CNN
F 1 "Buttons" V 17400 6050 60  0000 C CNN
	1    17350 6050
	1    0    0    -1  
$EndComp
Text Label 13150 6250 0    30   ~ 0
K4
Text Label 13300 6300 1    30   ~ 0
K3
Text Label 13400 6300 1    30   ~ 0
K2
Text Label 13500 6300 1    30   ~ 0
K1
Text Label 13600 6300 1    30   ~ 0
K0
Text Label 13700 6350 1    30   ~ 0
GND
Entry Wire Line
	13700 6250 13800 6150
Entry Wire Line
	13600 6250 13700 6150
Entry Wire Line
	13500 6250 13600 6150
Entry Wire Line
	13400 6250 13500 6150
Entry Wire Line
	13300 6250 13400 6150
Entry Wire Line
	13200 6250 13300 6150
Text Notes 8050 12350 0    60   ~ 0
Current control
Text Notes 7950 10550 0    60   ~ 0
Voltage control
$Comp
L R R38
U 1 1 4684E380
P 12050 13200
F 0 "R38" V 12130 13200 50  0000 C CNN
F 1 "100" V 12050 13200 50  0000 C CNN
	1    12050 13200
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR30
U 1 1 4684E363
P 11200 11750
F 0 "#PWR30" H 11200 11750 30  0001 C CNN
F 1 "GND" H 11200 11680 30  0001 C CNN
	1    11200 11750
	0    1    1    0   
$EndComp
Text Label 11850 11750 0    30   ~ 0
R0.275_R
Text Label 11850 11850 0    30   ~ 0
R0.275_L
Text Label 11850 11950 0    30   ~ 0
DCout minus
$Comp
L CONN_5 P11
U 1 1 4684E1C6
P 12650 11950
F 0 "P11" V 12600 11950 50  0000 C CNN
F 1 "to high current unit" V 12700 11950 50  0000 C CNN
	1    12650 11950
	1    0    0    -1  
$EndComp
$Comp
L +12V #PWR25
U 1 1 4684E128
P 9650 10300
F 0 "#PWR25" H 9650 10250 20  0001 C CNN
F 1 "+12V" H 9650 10400 30  0000 C CNN
	1    9650 10300
	1    0    0    -1  
$EndComp
$Comp
L +12V #PWR31
U 1 1 4684E11E
P 9250 12100
F 0 "#PWR31" H 9250 12050 20  0001 C CNN
F 1 "+12V" H 9250 12200 30  0000 C CNN
	1    9250 12100
	1    0    0    -1  
$EndComp
$Comp
L -12V #PWR33
U 1 1 4684E10F
P 9250 13250
F 0 "#PWR33" H 9250 13380 20  0001 C CNN
F 1 "-12V" H 9250 13350 30  0000 C CNN
	1    9250 13250
	-1   0    0    1   
$EndComp
$Comp
L -12V #PWR27
U 1 1 4684E103
P 9650 11450
F 0 "#PWR27" H 9650 11580 20  0001 C CNN
F 1 "-12V" H 9650 11550 30  0000 C CNN
	1    9650 11450
	-1   0    0    1   
$EndComp
$Comp
L C C25
U 1 1 4684E0D0
P 9650 13350
F 0 "C25" H 9700 13450 50  0000 L CNN
F 1 "100pF" H 9700 13250 50  0000 L CNN
	1    9650 13350
	0    1    1    0   
$EndComp
$Comp
L R R37
U 1 1 4684E0C7
P 9650 13100
F 0 "R37" V 9730 13100 50  0000 C CNN
F 1 "1M" V 9650 13100 50  0000 C CNN
	1    9650 13100
	0    1    1    0   
$EndComp
$Comp
L R R34
U 1 1 4684DFF6
P 8500 12700
F 0 "R34" V 8580 12700 50  0000 C CNN
F 1 "4.7k" V 8500 12700 50  0000 C CNN
	1    8500 12700
	0    1    1    0   
$EndComp
$Comp
L TL082 U7
U 2 1 4684DFD4
P 9350 12600
F 0 "U7" H 9300 12800 60  0000 L CNN
F 1 "TL082" H 9300 12350 60  0000 L CNN
	2    9350 12600
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR32
U 1 1 4684DFB5
P 7900 13150
F 0 "#PWR32" H 7900 13150 30  0001 C CNN
F 1 "GND" H 7900 13080 30  0001 C CNN
	1    7900 13150
	1    0    0    -1  
$EndComp
$Comp
L R R35
U 1 1 4684DFA5
P 7900 12800
F 0 "R35" V 7980 12800 50  0000 C CNN
F 1 "2.7k" V 7900 12800 50  0000 C CNN
	1    7900 12800
	1    0    0    -1  
$EndComp
$Comp
L R R32
U 1 1 4684DF3B
P 7600 12500
F 0 "R32" V 7680 12500 50  0000 C CNN
F 1 "22k" V 7600 12500 50  0000 C CNN
	1    7600 12500
	0    1    1    0   
$EndComp
$Comp
L DIODE D10
U 1 1 4684DD6B
P 11200 12600
F 0 "D10" H 11200 12700 40  0000 C CNN
F 1 "1N4148" H 11200 12500 40  0000 C CNN
	1    11200 12600
	-1   0    0    1   
$EndComp
$Comp
L DIODE D8
U 1 1 4684DD5D
P 11200 10800
F 0 "D8" H 11200 10900 40  0000 C CNN
F 1 "1N4148" H 11200 10700 40  0000 C CNN
	1    11200 10800
	-1   0    0    1   
$EndComp
$Comp
L R R19
U 1 1 4684DCCB
P 1950 9300
F 0 "R19" V 2030 9300 50  0000 C CNN
F 1 "1k" V 1950 9300 50  0000 C CNN
	1    1950 9300
	-1   0    0    1   
$EndComp
$Comp
L NPN Q6
U 1 1 4684DCAA
P 12000 10000
F 0 "Q6" H 12150 10000 50  0000 C CNN
F 1 "BD379" H 11902 10150 50  0000 C CNN
	1    12000 10000
	1    0    0    -1  
$EndComp
$Comp
L R R29
U 1 1 4684DC66
P 10050 11300
F 0 "R29" V 10130 11300 50  0000 C CNN
F 1 "1M" V 10050 11300 50  0000 C CNN
	1    10050 11300
	0    1    1    0   
$EndComp
$Comp
L C C22
U 1 1 4684DC5C
P 10050 11550
F 0 "C22" H 10100 11650 50  0000 L CNN
F 1 "100pF" H 10100 11450 50  0000 L CNN
	1    10050 11550
	0    1    1    0   
$EndComp
$Comp
L GND #PWR28
U 1 1 4684DC26
P 9100 11500
F 0 "#PWR28" H 9100 11500 30  0001 C CNN
F 1 "GND" H 9100 11430 30  0001 C CNN
	1    9100 11500
	1    0    0    -1  
$EndComp
$Comp
L R R27
U 1 1 4684DC10
P 9000 11150
F 0 "R27" V 9080 11150 50  0000 C CNN
F 1 "4.7k" V 9000 11150 50  0000 C CNN
	1    9000 11150
	1    0    0    -1  
$EndComp
$Comp
L TL082 U7
U 1 1 4684DB8D
P 9750 10800
F 0 "U7" H 9700 11000 60  0000 L CNN
F 1 "TL082" H 9700 10550 60  0000 L CNN
	1    9750 10800
	1    0    0    -1  
$EndComp
$Comp
L DIODE D9
U 1 1 4684DB43
P 8750 11000
F 0 "D9" H 8750 11100 40  0000 C CNN
F 1 "1N4148" H 8750 10900 40  0000 C CNN
	1    8750 11000
	0    -1   -1   0   
$EndComp
$Comp
L C C18
U 1 1 4684DAFB
P 7900 10950
F 0 "C18" H 7950 11050 50  0000 L CNN
F 1 "1nF-ceramic" H 7950 10850 50  0000 L CNN
	1    7900 10950
	1    0    0    -1  
$EndComp
$Comp
L R R30
U 1 1 4684DAF4
P 7900 11500
F 0 "R30" V 7980 11500 50  0000 C CNN
F 1 "1k" V 7900 11500 50  0000 C CNN
	1    7900 11500
	-1   0    0    1   
$EndComp
$Comp
L R R26
U 1 1 4684DAEA
P 7250 11000
F 0 "R26" V 7330 11000 50  0000 C CNN
F 1 "47k" V 7250 11000 50  0000 C CNN
	1    7250 11000
	1    0    0    -1  
$EndComp
$Comp
L R R24
U 1 1 4684DAD1
P 6950 10700
F 0 "R24" V 7030 10700 50  0000 C CNN
F 1 "10k" V 6950 10700 50  0000 C CNN
	1    6950 10700
	0    1    1    0   
$EndComp
Text Notes 1300 7850 0    60   ~ 0
Physical power-on delay
$Comp
L GND #PWR21
U 1 1 4684D9B5
P 3000 8550
F 0 "#PWR21" H 3000 8550 30  0001 C CNN
F 1 "GND" H 3000 8480 30  0001 C CNN
	1    3000 8550
	0    -1   -1   0   
$EndComp
$Comp
L +5V #PWR18
U 1 1 4684D998
P 1000 8250
F 0 "#PWR18" H 1000 8340 20  0001 C CNN
F 1 "+5V" H 1000 8340 30  0000 C CNN
	1    1000 8250
	0    -1   -1   0   
$EndComp
$Comp
L DIODE D6
U 1 1 4684D956
P 3150 8050
F 0 "D6" H 3150 8150 40  0000 C CNN
F 1 "1N4148" H 3150 7950 40  0000 C CNN
	1    3150 8050
	-1   0    0    1   
$EndComp
$Comp
L NPN Q3
U 1 1 4684D925
P 2700 8250
F 0 "Q3" H 2850 8250 50  0000 C CNN
F 1 "BC547C" H 2602 8400 50  0000 C CNN
	1    2700 8250
	1    0    0    -1  
$EndComp
$Comp
L R R16
U 1 1 4684D91B
P 2550 8550
F 0 "R16" V 2630 8550 50  0000 C CNN
F 1 "47k" V 2550 8550 50  0000 C CNN
	1    2550 8550
	0    -1   -1   0   
$EndComp
$Comp
L R R14
U 1 1 4684D907
P 2150 8250
F 0 "R14" V 2230 8250 50  0000 C CNN
F 1 "4.7k" V 2150 8250 50  0000 C CNN
	1    2150 8250
	0    1    1    0   
$EndComp
Text Label 4650 6450 0    40   ~ 0
TP2
Text Label 4650 5350 0    40   ~ 0
TP1
$Comp
L CONN_1 P7
U 1 1 4684D682
P 4650 6300
F 0 "P7" H 4730 6300 40  0000 C CNN
F 1 "CONN_1" H 4600 6340 30  0001 C CNN
	1    4650 6300
	0    -1   -1   0   
$EndComp
$Comp
L CONN_1 P4
U 1 1 4684D677
P 4650 5500
F 0 "P4" H 4730 5500 40  0000 C CNN
F 1 "CONN_1" H 4600 5540 30  0001 C CNN
	1    4650 5500
	0    1    1    0   
$EndComp
Text Notes 2700 5900 0    40   ~ 0
Offsetcompensation
Text Label 5050 6600 0    40   ~ 0
Voltage reference (A)
Text Label 5050 5200 0    40   ~ 0
Current reference (B)
$Comp
L -12V #PWR11
U 1 1 4684CA63
P 4050 7000
F 0 "#PWR11" H 4050 7130 20  0001 C CNN
F 1 "-12V" H 4050 7100 30  0000 C CNN
	1    4050 7000
	-1   0    0    1   
$EndComp
$Comp
L +12V #PWR9
U 1 1 4684CA4B
P 4050 6200
F 0 "#PWR9" H 4050 6150 20  0001 C CNN
F 1 "+12V" H 4050 6300 30  0000 C CNN
	1    4050 6200
	1    0    0    -1  
$EndComp
$Comp
L -12V #PWR8
U 1 1 4684CA45
P 4050 5600
F 0 "#PWR8" H 4050 5730 20  0001 C CNN
F 1 "-12V" H 4050 5700 30  0000 C CNN
	1    4050 5600
	-1   0    0    1   
$EndComp
$Comp
L +12V #PWR5
U 1 1 4684CA3B
P 4050 4800
F 0 "#PWR5" H 4050 4750 20  0001 C CNN
F 1 "+12V" H 4050 4900 30  0000 C CNN
	1    4050 4800
	1    0    0    -1  
$EndComp
$Comp
L POT RV5
U 1 1 4684C91F
P 2800 6700
F 0 "RV5" H 2800 6600 50  0000 C CNN
F 1 "100k" H 2800 6700 50  0000 C CNN
	1    2800 6700
	0    1    1    0   
$EndComp
Text Notes 2150 4450 0    60   ~ 0
Reference voltage D/A converter unit
$Comp
L POT RV4
U 1 1 4684C7D2
P 2800 5300
F 0 "RV4" H 2800 5200 50  0000 C CNN
F 1 "100k" H 2800 5300 50  0000 C CNN
	1    2800 5300
	0    1    1    0   
$EndComp
$Comp
L TL072 U4
U 2 1 4684C628
P 4150 6600
F 0 "U4" H 4100 6800 60  0000 L CNN
F 1 "TL072" H 4100 6350 60  0000 L CNN
	2    4150 6600
	1    0    0    -1  
$EndComp
$Comp
L TL072 U4
U 1 1 4684C61B
P 4150 5200
F 0 "U4" H 4100 5400 60  0000 L CNN
F 1 "TL072" H 4100 4950 60  0000 L CNN
	1    4150 5200
	1    0    0    -1  
$EndComp
$Comp
L +5V #PWR15
U 1 1 4684C58E
P 1800 7300
F 0 "#PWR15" H 1800 7390 20  0001 C CNN
F 1 "+5V" H 1800 7390 30  0000 C CNN
	1    1800 7300
	-1   0    0    1   
$EndComp
$Comp
L GND #PWR14
U 1 1 4684C57E
P 1700 7300
F 0 "#PWR14" H 1700 7300 30  0001 C CNN
F 1 "GND" H 1700 7230 30  0001 C CNN
	1    1700 7300
	1    0    0    -1  
$EndComp
Text Label 1900 4500 1    30   ~ 0
CLK
Text Label 1800 4500 1    30   ~ 0
Din
Text Label 1700 4500 1    30   ~ 0
~CS
Entry Wire Line
	1900 4300 2000 4200
Entry Wire Line
	1800 4300 1900 4200
Entry Wire Line
	1700 4300 1800 4200
NoConn ~ 1600 4900
Text Label 9700 7300 0    30   ~ 0
~CS
Text Label 9700 7200 0    30   ~ 0
Din
Text Label 9450 7250 1    30   ~ 0
CLK
Entry Wire Line
	9350 7400 9450 7300
Entry Wire Line
	9450 7400 9550 7300
Entry Wire Line
	9550 7400 9650 7300
$Comp
L LTC1446 U5
U 1 1 4684C243
P 1750 5750
F 0 "U5" H 1750 5850 60  0000 C CNN
F 1 "LTC1446" H 1750 5650 60  0000 C CNN
	1    1750 5750
	0    1    1    0   
$EndComp
Text Notes 17750 10450 0    60   ~ 0
RS232 optodecoupler and TTL level converter
$Comp
L VAA #PWR37
U 1 1 46843BAD
P 16950 14100
F 0 "#PWR37" H 16950 14300 40  0001 C CNN
F 1 "VAA" H 16950 14250 40  0000 C CNN
	1    16950 14100
	0    -1   -1   0   
$EndComp
$Comp
L VAA #PWR36
U 1 1 46843BA6
P 16950 13700
F 0 "#PWR36" H 16950 13900 40  0001 C CNN
F 1 "VAA" H 16950 13850 40  0000 C CNN
	1    16950 13700
	0    -1   -1   0   
$EndComp
Text Label 21500 10700 1    30   ~ 0
RXD
Text Label 21600 10700 1    30   ~ 0
TXD
Text Label 21800 10700 1    30   ~ 0
GND
$Comp
L C C24
U 1 1 46843978
P 21500 11750
F 0 "C24" H 21550 11850 50  0000 L CNN
F 1 "1uF" H 21550 11650 50  0000 L CNN
	1    21500 11750
	1    0    0    -1  
$EndComp
$Comp
L C C21
U 1 1 46843961
P 21500 11250
F 0 "C21" H 21550 11350 50  0000 L CNN
F 1 "1uF" H 21550 11150 50  0000 L CNN
	1    21500 11250
	1    0    0    -1  
$EndComp
$Comp
L C C23
U 1 1 46843957
P 19400 11750
F 0 "C23" H 19450 11850 50  0000 L CNN
F 1 "1uF" H 19450 11650 50  0000 L CNN
	1    19400 11750
	1    0    0    -1  
$EndComp
$Comp
L C C20
U 1 1 46843952
P 19400 11250
F 0 "C20" H 19450 11350 50  0000 L CNN
F 1 "1uF" H 19450 11150 50  0000 L CNN
	1    19400 11250
	1    0    0    -1  
$EndComp
$Comp
L CONN_9 P10
U 1 1 468438DA
P 21800 10150
F 0 "P10" V 21750 10150 60  0000 C CNN
F 1 "RS232 computer" V 21850 10150 60  0000 C CNN
	1    21800 10150
	0    -1   -1   0   
$EndComp
Text Label 19450 12850 0    30   ~ 0
+5V
Text Label 19450 12750 0    30   ~ 0
GND
$Comp
L R R28
U 1 1 468437BA
P 18600 11200
F 0 "R28" V 18680 11200 50  0000 C CNN
F 1 "360" V 18600 11200 50  0000 C CNN
	1    18600 11200
	0    1    1    0   
$EndComp
$Comp
L NPN Q8
U 1 1 468437A4
P 18500 11750
F 0 "Q8" H 18650 11750 50  0000 C CNN
F 1 "BC547C" H 18402 11900 50  0000 C CNN
	1    18500 11750
	-1   0    0    1   
$EndComp
$Comp
L SPST SW1
U 1 1 468435D5
P 17500 13700
F 0 "SW1" H 17500 13800 70  0000 C CNN
F 1 "ON/OFF" H 17500 13600 70  0000 C CNN
	1    17500 13700
	1    0    0    -1  
$EndComp
$Comp
L C C27
U 1 1 4684359F
P 22000 13550
F 0 "C27" H 22050 13650 50  0000 L CNN
F 1 "0.1uF" H 22050 13450 50  0000 L CNN
	1    22000 13550
	1    0    0    -1  
$EndComp
$Comp
L C C26
U 1 1 4684357F
P 21000 13550
F 0 "C26" H 21050 13650 50  0000 L CNN
F 1 "0.33uF" H 21050 13450 50  0000 L CNN
	1    21000 13550
	1    0    0    -1  
$EndComp
$Comp
L 7805 U11
U 1 1 46843560
P 21500 13300
F 0 "U11" H 21650 13104 60  0000 C CNN
F 1 "7805" H 21500 13500 60  0000 C CNN
	1    21500 13300
	1    0    0    -1  
$EndComp
$Comp
L BRIDGE D12
U 1 1 468433EF
P 19850 13900
F 0 "D12" H 19850 14000 70  0000 C CNN
F 1 "Rect 1.5A" H 19850 13800 70  0000 C CNN
	1    19850 13900
	1    0    0    -1  
$EndComp
$Comp
L R R31
U 1 1 46843282
P 16800 12400
F 0 "R31" V 16880 12400 50  0000 C CNN
F 1 "360" V 16800 12400 50  0000 C CNN
	1    16800 12400
	0    1    1    0   
$EndComp
$Comp
L NPN Q9
U 1 1 4684321E
P 16900 11850
F 0 "Q9" H 17050 11850 50  0000 C CNN
F 1 "BC547C" H 16802 12000 50  0000 C CNN
	1    16900 11850
	1    0    0    -1  
$EndComp
NoConn ~ 18250 12050
NoConn ~ 17150 11550
Text Label 16700 10400 1    30   ~ 0
RXD
Text Label 16600 10400 1    30   ~ 0
TXD
Text Label 16500 10400 1    30   ~ 0
GND
Text Label 16400 10400 1    30   ~ 0
VTG
$Comp
L CONN_4 P9
U 1 1 4684306B
P 16550 9900
F 0 "P9" V 16500 9900 50  0000 C CNN
F 1 "5V TTL UART device" V 16600 9900 50  0000 C CNN
	1    16550 9900
	0    -1   -1   0   
$EndComp
Text Label 15200 5000 0    30   ~ 0
VTG
$Comp
L CONN_4 P3
U 1 1 4684303A
P 15800 5150
F 0 "P3" V 15750 5150 50  0000 C CNN
F 1 "UART" V 15850 5150 50  0000 C CNN
	1    15800 5150
	1    0    0    -1  
$EndComp
Entry Wire Line
	14700 5500 14800 5400
Text Label 9150 6550 0    30   ~ 0
VTG
Entry Wire Line
	9200 6350 9300 6450
Text Label 15200 5300 0    30   ~ 0
RXD
Text Label 15200 5200 0    30   ~ 0
TXD
Text Label 15200 5100 0    30   ~ 0
GND
Entry Wire Line
	14800 5500 14900 5400
Entry Wire Line
	14900 5500 15000 5400
Entry Wire Line
	15000 5500 15100 5400
Text Label 9150 6650 0    30   ~ 0
GND
Entry Wire Line
	9300 6350 9400 6450
Text Label 9650 6550 0    30   ~ 0
TXD
Text Label 9650 6450 0    30   ~ 0
RXD
Entry Wire Line
	9400 6350 9500 6450
Entry Wire Line
	9500 6350 9600 6450
$Comp
L PHTRANS U10
U 1 1 4684280F
P 17700 12250
F 0 "U10" H 17650 12600 70  0000 C CNN
F 1 "4N35" H 17650 11900 70  0000 C CNN
	1    17700 12250
	1    0    0    -1  
$EndComp
$Comp
L PHTRANS U8
U 1 1 4684280C
P 17700 11350
F 0 "U8" H 17650 11700 70  0000 C CNN
F 1 "4N35" H 17650 11000 70  0000 C CNN
	1    17700 11350
	-1   0    0    1   
$EndComp
$Comp
L MAX232 U9
U 1 1 4684263B
P 20350 11750
F 0 "U9" H 20350 12600 70  0000 C CNN
F 1 "MAX232" H 20350 10900 70  0000 C CNN
	1    20350 11750
	1    0    0    -1  
$EndComp
$Comp
L TRANSFO T3
U 1 1 46842622
P 18450 13900
F 0 "T3" H 18450 14150 70  0000 C CNN
F 1 "6V 3VA" H 18450 13600 70  0000 C CNN
	1    18450 13900
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR20
U 1 1 46841BA8
P 12350 8400
F 0 "#PWR20" H 12350 8400 30  0001 C CNN
F 1 "GND" H 12350 8330 30  0001 C CNN
	1    12350 8400
	1    0    0    -1  
$EndComp
Text Label 12350 8200 1    30   ~ 0
LED-
Entry Wire Line
	12350 8050 12450 7950
Text Label 12250 8200 1    30   ~ 0
LED+
Entry Wire Line
	12250 8050 12350 7950
$Comp
L R R15
U 1 1 46841B5D
P 11850 8250
F 0 "R15" V 11930 8250 50  0000 C CNN
F 1 "100" V 11850 8250 50  0000 C CNN
	1    11850 8250
	0    1    1    0   
$EndComp
$Comp
L R R18
U 1 1 46841AB5
P 10800 8650
F 0 "R18" V 10880 8650 50  0000 C CNN
F 1 "1k" V 10800 8650 50  0000 C CNN
	1    10800 8650
	0    1    1    0   
$EndComp
$Comp
L +5V #PWR19
U 1 1 4684188F
P 10900 8250
F 0 "#PWR19" H 10900 8340 20  0001 C CNN
F 1 "+5V" H 10900 8340 30  0000 C CNN
	1    10900 8250
	0    -1   -1   0   
$EndComp
Text Label 13300 7800 1    30   ~ 0
E
Text Label 13200 7800 1    30   ~ 0
RS
Entry Wire Line
	13300 7850 13400 7950
Entry Wire Line
	13200 7850 13300 7950
Text Label 10150 8200 1    30   ~ 0
R/W
Entry Wire Line
	10150 8050 10250 7950
Text Notes 10900 5900 0    60   ~ 0
Microcontroller unit
Text Notes 9250 8100 0    30   ~ 0
LCD contrast
Text Label 10050 8200 1    30   ~ 0
VEE
$Comp
L POT RV6
U 1 1 4684167E
P 9450 7850
F 0 "RV6" H 9450 7750 50  0000 C CNN
F 1 "50k" H 9450 7850 50  0000 C CNN
	1    9450 7850
	-1   0    0    1   
$EndComp
Entry Wire Line
	10050 8050 10150 7950
Text Label 10150 7800 1    30   ~ 0
VSS
Text Label 10050 7800 1    30   ~ 0
VDD
Entry Wire Line
	10050 7850 10150 7950
Entry Wire Line
	10150 7850 10250 7950
Text Label 13000 7800 1    30   ~ 0
D7
Text Label 12900 7800 1    30   ~ 0
D6
Text Label 12800 7800 1    30   ~ 0
D5
Entry Wire Line
	13000 7850 13100 7950
Entry Wire Line
	12900 7850 13000 7950
Entry Wire Line
	12800 7850 12900 7950
Text Label 10250 7800 1    30   ~ 0
D4
Entry Wire Line
	10250 7850 10350 7950
Text Label 16300 7300 0    30   ~ 0
LED-
Text Label 15200 7300 0    30   ~ 0
LED+
Text Label 16300 7200 0    30   ~ 0
D7
Text Label 15200 7200 0    30   ~ 0
D6
Text Label 16300 7100 0    30   ~ 0
D5
Text Label 15200 7100 0    30   ~ 0
D4
Text Label 16300 7000 0    30   ~ 0
D3
Text Label 15200 7000 0    30   ~ 0
D2
Text Label 16300 6900 0    30   ~ 0
D1
Text Label 15200 6900 0    30   ~ 0
D0
Text Label 16300 6800 0    30   ~ 0
E
Text Label 15200 6800 0    30   ~ 0
R/W
Text Label 16300 6700 0    30   ~ 0
RS
Text Label 15200 6700 0    30   ~ 0
VEE
Text Label 16300 6600 0    30   ~ 0
VDD
Text Label 15200 6600 0    30   ~ 0
VSS
Entry Wire Line
	17000 7500 17100 7400
Entry Wire Line
	16900 7500 17000 7400
Entry Wire Line
	16800 7500 16900 7400
Entry Wire Line
	16700 7500 16800 7400
Entry Wire Line
	16600 7500 16700 7400
Entry Wire Line
	16500 7500 16600 7400
Entry Wire Line
	16400 7500 16500 7400
Entry Wire Line
	16300 7500 16400 7400
Entry Wire Line
	14400 7500 14500 7400
Entry Wire Line
	14500 7500 14600 7400
Entry Wire Line
	14600 7500 14700 7400
Entry Wire Line
	14700 7500 14800 7400
Entry Wire Line
	14800 7500 14900 7400
Entry Wire Line
	14900 7500 15000 7400
Entry Wire Line
	15000 7500 15100 7400
Entry Wire Line
	15100 7500 15200 7400
$Comp
L CONN_8X2 P8
U 1 1 46841264
P 15800 6950
F 0 "P8" H 15800 7400 60  0000 C CNN
F 1 "LCD" V 15800 6950 50  0000 C CNN
	1    15800 6950
	1    0    0    -1  
$EndComp
Text Label 12900 6000 1    30   ~ 0
SCK
Text Label 13000 6000 1    30   ~ 0
MISO
Text Label 13100 6000 1    30   ~ 0
MOSI
Entry Wire Line
	12900 5700 13000 5600
Entry Wire Line
	13000 5700 13100 5600
Entry Wire Line
	13100 5700 13200 5600
Text Label 10100 5200 0    30   ~ 0
GND
Entry Wire Line
	10550 5500 10650 5600
Text Label 10100 5300 0    30   ~ 0
RST
$Comp
L C C12
U 1 1 468410C3
P 10000 5850
F 0 "C12" H 10050 5950 50  0000 L CNN
F 1 "47pF" H 10050 5750 50  0000 L CNN
	1    10000 5850
	0    1    1    0   
$EndComp
$Comp
L R R11
U 1 1 46841086
P 9950 6250
F 0 "R11" V 10030 6250 50  0000 C CNN
F 1 "10k" V 9950 6250 50  0000 C CNN
	1    9950 6250
	0    1    1    0   
$EndComp
Text Label 10100 5400 0    30   ~ 0
VTG
Entry Wire Line
	10450 5500 10550 5600
Entry Wire Line
	10350 5500 10450 5600
Text Label 15200 6300 0    30   ~ 0
GND
Text Label 15200 6200 0    30   ~ 0
RST
Text Label 15200 6100 0    30   ~ 0
MOSI
Text Label 15200 6000 0    30   ~ 0
SCK
Text Label 15200 5900 0    30   ~ 0
VTG
Text Label 15200 5800 0    30   ~ 0
MISO
Entry Wire Line
	14500 5600 14600 5700
Entry Wire Line
	14600 5600 14700 5700
Entry Wire Line
	14700 5600 14800 5700
Entry Wire Line
	14800 5600 14900 5700
Entry Wire Line
	14900 5600 15000 5700
Entry Wire Line
	15000 5600 15100 5700
$Comp
L CONN_6 P5
U 1 1 46840E7B
P 15800 6050
F 0 "P5" V 15750 6050 60  0000 C CNN
F 1 "ISP" V 15850 6050 60  0000 C CNN
	1    15800 6050
	1    0    0    -1  
$EndComp
$Comp
L C C13
U 1 1 46840E01
P 14000 6950
F 0 "C13" H 14050 7050 50  0000 L CNN
F 1 "47pF" H 14050 6850 50  0000 L CNN
	1    14000 6950
	0    1    1    0   
$EndComp
$Comp
L +5V #PWR12
U 1 1 46840DC2
P 13800 7200
F 0 "#PWR12" H 13800 7290 20  0001 C CNN
F 1 "+5V" H 13800 7290 30  0000 C CNN
	1    13800 7200
	-1   0    0    1   
$EndComp
$Comp
L GND #PWR13
U 1 1 46840DB9
P 14300 7200
F 0 "#PWR13" H 14300 7200 30  0001 C CNN
F 1 "GND" H 14300 7130 30  0001 C CNN
	1    14300 7200
	1    0    0    -1  
$EndComp
$Comp
L +5V #PWR17
U 1 1 46840D7D
P 9000 7900
F 0 "#PWR17" H 9000 7990 20  0001 C CNN
F 1 "+5V" H 9000 7990 30  0000 C CNN
	1    9000 7900
	-1   0    0    1   
$EndComp
$Comp
L GND #PWR16
U 1 1 46840D6C
P 8900 7900
F 0 "#PWR16" H 8900 7900 30  0001 C CNN
F 1 "GND" H 8900 7830 30  0001 C CNN
	1    8900 7900
	1    0    0    -1  
$EndComp
NoConn ~ 10400 7150
Text Notes 1450 10300 0    60   ~ 0
Brownout detection
$Comp
L GND #PWR23
U 1 1 4683FF49
P 900 9550
F 0 "#PWR23" H 900 9550 30  0001 C CNN
F 1 "GND" H 900 9480 30  0001 C CNN
	1    900  9550
	0    1    1    0   
$EndComp
$Comp
L R R22
U 1 1 4683FF2F
P 1350 10000
F 0 "R22" V 1430 10000 50  0000 C CNN
F 1 "2.2k" V 1350 10000 50  0000 C CNN
	1    1350 10000
	0    1    1    0   
$EndComp
$Comp
L R R20
U 1 1 4683FF26
P 1600 9550
F 0 "R20" V 1680 9550 50  0000 C CNN
F 1 "10k" V 1600 9550 50  0000 C CNN
	1    1600 9550
	0    1    1    0   
$EndComp
$Comp
L ZENER D7
U 1 1 4683FEC2
P 1850 10000
F 0 "D7" H 1850 10150 50  0000 C CNN
F 1 "4.3V" H 1850 9850 40  0000 C CNN
	1    1850 10000
	1    0    0    -1  
$EndComp
$Comp
L R R23
U 1 1 4683FE46
P 2700 10000
F 0 "R23" V 2780 10000 50  0000 C CNN
F 1 "4.7k" V 2700 10000 50  0000 C CNN
	1    2700 10000
	0    1    1    0   
$EndComp
$Comp
L PNP Q5
U 1 1 4683FE20
P 2250 9650
F 0 "Q5" H 2400 9650 60  0000 C CNN
F 1 "BC557C" H 2154 9800 60  0000 C CNN
	1    2250 9650
	0    -1   -1   0   
$EndComp
Text Notes 15000 950  0    60   ~ 0
High current unit
$Comp
L CONN_2 P1
U 1 1 4683CDCA
P 18750 2500
F 0 "P1" V 18700 2500 40  0000 C CNN
F 1 "DC output" V 18800 2500 40  0000 C CNN
	1    18750 2500
	1    0    0    -1  
$EndComp
$Comp
L R R7
U 1 1 4683CD45
P 17000 2900
F 0 "R7" V 17080 2900 50  0000 C CNN
F 1 "5.6k" V 17000 2900 50  0000 C CNN
	1    17000 2900
	1    0    0    -1  
$EndComp
$Comp
L DIODE D4
U 1 1 4683CCE8
P 17450 2500
F 0 "D4" H 17450 2600 40  0000 C CNN
F 1 "1N5400" H 17450 2400 40  0000 C CNN
	1    17450 2500
	0    -1   -1   0   
$EndComp
$Comp
L R R8
U 1 1 4683CB94
P 15450 3000
F 0 "R8" V 15530 3000 50  0000 C CNN
F 1 "6.8k" V 15450 3000 50  0000 C CNN
	1    15450 3000
	1    0    0    -1  
$EndComp
$Comp
L CONN_5 P2
U 1 1 4683CB78
P 16400 3100
F 0 "P2" V 16350 3100 50  0000 C CNN
F 1 "to control" V 16450 3100 50  0000 C CNN
	1    16400 3100
	0    1    1    0   
$EndComp
$Comp
L R R4
U 1 1 4683CB50
P 17000 1750
F 0 "R4" V 17080 1750 50  0000 C CNN
F 1 "0.275" V 17000 1750 50  0000 C CNN
	1    17000 1750
	0    1    1    0   
$EndComp
$Comp
L R R5
U 1 1 4683CAE6
P 15950 2350
F 0 "R5" V 16030 2350 50  0000 C CNN
F 1 "0.25" V 15950 2350 50  0000 C CNN
	1    15950 2350
	0    1    1    0   
$EndComp
$Comp
L R R3
U 1 1 4683CAE0
P 15950 1750
F 0 "R3" V 16030 1750 50  0000 C CNN
F 1 "0.25" V 15950 1750 50  0000 C CNN
	1    15950 1750
	0    1    1    0   
$EndComp
$Comp
L DIODE D1
U 1 1 4683C9DB
P 15450 1350
F 0 "D1" H 15450 1450 40  0000 C CNN
F 1 "1N5400" H 15450 1250 40  0000 C CNN
	1    15450 1350
	-1   0    0    1   
$EndComp
$Comp
L NPN Q2
U 1 1 4683C993
P 15450 2450
F 0 "Q2" H 15600 2450 50  0000 C CNN
F 1 "2N3055" H 15352 2600 50  0000 C CNN
	1    15450 2450
	0    -1   -1   0   
$EndComp
$Comp
L NPN Q1
U 1 1 4683C988
P 15450 1850
F 0 "Q1" H 15600 1850 50  0000 C CNN
F 1 "2N3055" H 15352 2000 50  0000 C CNN
	1    15450 1850
	0    -1   -1   0   
$EndComp
$Comp
L BRIDGE D3
U 1 1 4683C52E
P 13650 2200
F 0 "D3" H 13650 2300 70  0000 C CNN
F 1 "Rect 5A" H 13650 2100 70  0000 C CNN
	1    13650 2200
	1    0    0    -1  
$EndComp
$Comp
L TRANSFO T2
U 1 1 4683C4D2
P 12000 2200
F 0 "T2" H 12000 2450 70  0000 C CNN
F 1 "30V 150VA" H 12000 1900 70  0000 C CNN
	1    12000 2200
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR3
U 1 1 4683C3FC
P 9600 2500
F 0 "#PWR3" H 9600 2500 30  0001 C CNN
F 1 "GND" H 9600 2430 30  0001 C CNN
	1    9600 2500
	1    0    0    -1  
$EndComp
Text Notes 7950 2750 0    60   ~ 0
control circuitry power supply
$Comp
L +5V #PWR2
U 1 1 4683C34C
P 9900 1850
F 0 "#PWR2" H 9900 1940 20  0001 C CNN
F 1 "+5V" H 9900 1940 30  0000 C CNN
	1    9900 1850
	-1   0    0    1   
$EndComp
$Comp
L C C3
U 1 1 4683C317
P 9600 1650
F 0 "C3" H 9650 1750 50  0000 L CNN
F 1 "1uF" H 9650 1550 50  0000 L CNN
	1    9600 1650
	1    0    0    -1  
$EndComp
$Comp
L R R2
U 1 1 4683C302
P 9300 1700
F 0 "R2" V 9380 1700 50  0000 C CNN
F 1 "240" V 9300 1700 50  0000 C CNN
	1    9300 1700
	1    0    0    -1  
$EndComp
$Comp
L POT RV2
U 1 1 4683C2D1
P 8900 2000
F 0 "RV2" H 8900 1900 50  0000 C CNN
F 1 "5k" H 8900 2000 50  0000 C CNN
	1    8900 2000
	1    0    0    -1  
$EndComp
$Comp
L C C2
U 1 1 4683C2B4
P 8200 1650
F 0 "C2" H 8250 1750 50  0000 L CNN
F 1 "0.1uF" H 8250 1550 50  0000 L CNN
	1    8200 1650
	1    0    0    -1  
$EndComp
$Comp
L -12V #PWR4
U 1 1 4683C235
P 7800 2550
F 0 "#PWR4" H 7800 2680 20  0001 C CNN
F 1 "-12V" H 7800 2650 30  0000 C CNN
	1    7800 2550
	1    0    0    -1  
$EndComp
$Comp
L +12V #PWR1
U 1 1 4683C220
P 7800 1850
F 0 "#PWR1" H 7800 1800 20  0001 C CNN
F 1 "+12V" H 7800 1950 30  0000 C CNN
	1    7800 1850
	-1   0    0    1   
$EndComp
$Comp
L C C10
U 1 1 4683C1B6
P 7500 2750
F 0 "C10" H 7550 2850 50  0000 L CNN
F 1 "1uF" H 7550 2650 50  0000 L CNN
	1    7500 2750
	1    0    0    -1  
$EndComp
$Comp
L C C1
U 1 1 4683C19E
P 7500 1650
F 0 "C1" H 7550 1750 50  0000 L CNN
F 1 "1uF" H 7550 1550 50  0000 L CNN
	1    7500 1650
	1    0    0    -1  
$EndComp
$Comp
L POT RV1
U 1 1 4683C16B
P 6800 2000
F 0 "RV1" H 6800 1900 50  0000 C CNN
F 1 "5k" H 6800 2000 50  0000 C CNN
	1    6800 2000
	1    0    0    -1  
$EndComp
$Comp
L R R6
U 1 1 4683C10A
P 7200 2700
F 0 "R6" V 7280 2700 50  0000 C CNN
F 1 "120" V 7200 2700 50  0000 C CNN
	1    7200 2700
	1    0    0    -1  
$EndComp
$Comp
L POT RV3
U 1 1 4683C0E8
P 6800 2400
F 0 "RV3" H 6800 2300 50  0000 C CNN
F 1 "5k" H 6800 2400 50  0000 C CNN
	1    6800 2400
	-1   0    0    1   
$EndComp
$Comp
L C C7
U 1 1 4683C0D5
P 6100 2600
F 0 "C7" H 6150 2700 50  0000 L CNN
F 1 "0.1uF" H 6150 2500 50  0000 L CNN
	1    6100 2600
	1    0    0    -1  
$EndComp
$Comp
L R R1
U 1 1 4683BFDD
P 7200 1700
F 0 "R1" V 7280 1700 50  0000 C CNN
F 1 "240" V 7200 1700 50  0000 C CNN
	1    7200 1700
	1    0    0    -1  
$EndComp
$Comp
L C C4
U 1 1 4683BFBD
P 6100 1800
F 0 "C4" H 6150 1900 50  0000 L CNN
F 1 "0.1uF" H 6150 1700 50  0000 L CNN
	1    6100 1800
	1    0    0    -1  
$EndComp
$Comp
L DIODE D5
U 1 1 4683BD0F
P 4950 2950
F 0 "D5" H 4950 3050 40  0000 C CNN
F 1 "1N4001" H 4950 2850 40  0000 C CNN
	1    4950 2950
	-1   0    0    1   
$EndComp
$Comp
L DIODE D2
U 1 1 4683BD07
P 4900 1450
F 0 "D2" H 4900 1550 40  0000 C CNN
F 1 "1N4001" H 4900 1350 40  0000 C CNN
	1    4900 1450
	1    0    0    -1  
$EndComp
$Comp
L TRANSFO T1
U 1 1 4683BCDB
P 4050 1650
F 0 "T1" H 4050 1900 70  0000 C CNN
F 1 "9V 50VA" H 4050 1350 70  0000 C CNN
	1    4050 1650
	1    0    0    -1  
$EndComp
$EndSCHEMATC