EESchema Schematic File Version 2
LIBS:adc_dac
LIBS:atmel_avr
LIBS:borg
LIBS:breakout_boards
LIBS:common_devices
LIBS:conn_gen
LIBS:conn_special
LIBS:digital_logic
LIBS:driver
LIBS:el_mech
LIBS:i2c
LIBS:mechanical
LIBS:opamp
LIBS:optoisol
LIBS:power
LIBS:power_supply
LIBS:radio_tv
LIBS:sensor
LIBS:serial_interface
LIBS:special_analog
LIBS:statron
LIBS:sureelectronics.net
EELAYER 27 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title "Borg HA Overvoltage Protection"
Date "29 oct 2015"
Rev "V1.0"
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L R R1
U 1 1 5630F034
P 2600 1600
F 0 "R1" V 2680 1600 50  0000 C CNN
F 1 "10k" V 2600 1600 50  0000 C CNN
F 2 "~" H 2600 1600 60  0000 C CNN
F 3 "~" H 2600 1600 60  0000 C CNN
	1    2600 1600
	1    0    0    -1  
$EndComp
$Comp
L OPAMP_DUAL_8_PIN U2
U 1 1 5630F3C2
P 5600 3700
F 0 "U2" H 5600 3475 60  0000 C CNN
F 1 "TL072" H 5600 3375 60  0000 C CNN
F 2 "~" H 5600 3700 60  0000 C CNN
F 3 "~" H 5600 3700 60  0000 C CNN
	1    5600 3700
	-1   0    0    1   
$EndComp
$Comp
L CONN_3 P1
U 1 1 5630F3E5
P 1300 2500
F 0 "P1" H 1300 2800 60  0000 C CNN
F 1 "CONN_3" H 1300 2700 60  0000 C CNN
F 2 "" H 1300 2500 60  0000 C CNN
F 3 "" H 1300 2500 60  0000 C CNN
	1    1300 2500
	1    0    0    1   
$EndComp
$Comp
L MOSFET_N Q2
U 1 1 5630F3EB
P 2200 3000
F 0 "Q2" H 1950 3150 60  0000 C CNN
F 1 "IRL3705" H 1950 3250 60  0000 C CNN
F 2 "~" H 2200 3000 60  0000 C CNN
F 3 "~" H 2200 3000 60  0000 C CNN
	1    2200 3000
	-1   0    0    -1  
$EndComp
$Comp
L MOSFET_P Q1
U 1 1 5630F3F1
P 2200 2200
F 0 "Q1" H 1925 2075 60  0000 C CNN
F 1 "IRF4905" H 1925 2000 60  0000 C CNN
F 2 "~" H 2200 2200 60  0000 C CNN
F 3 "~" H 2200 2200 60  0000 C CNN
	1    2200 2200
	-1   0    0    -1  
$EndComp
$Comp
L ZENER D1
U 1 1 5630F52B
P 2900 1600
F 0 "D1" V 3000 1600 50  0000 C CNN
F 1 "12V" V 3075 1600 50  0000 C CNN
F 2 "~" H 2900 1600 60  0000 C CNN
F 3 "~" H 2900 1600 60  0000 C CNN
	1    2900 1600
	1    0    0    1   
$EndComp
$Comp
L R R6
U 1 1 5630F692
P 3500 3800
F 0 "R6" V 3580 3800 50  0000 C CNN
F 1 "1k" V 3500 3800 50  0000 C CNN
F 2 "~" H 3500 3800 60  0000 C CNN
F 3 "~" H 3500 3800 60  0000 C CNN
	1    3500 3800
	0    -1   -1   0   
$EndComp
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L LED D2
U 1 1 5630F6B1
P 3200 4300
F 0 "D2" V 3300 4300 50  0000 C CNN
F 1 "LED" V 3375 4300 50  0000 C CNN
F 2 "~" H 3200 4300 60  0000 C CNN
F 3 "~" H 3200 4300 60  0000 C CNN
	1    3200 4300
	1    0    0    -1  
$EndComp
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L NPN Q3
U 1 1 5630F6C0
P 2900 3800
F 0 "Q3" H 2650 3950 60  0000 C CNN
F 1 "2N3904" H 2650 4050 60  0000 C CNN
F 2 "~" H 2900 3800 60  0000 C CNN
F 3 "~" H 2900 3800 60  0000 C CNN
	1    2900 3800
	-1   0    0    -1  
$EndComp
$Comp
L R R7
U 1 1 5630F6CD
P 2900 4300
F 0 "R7" V 2980 4300 50  0000 C CNN
F 1 "1.2k" V 2900 4300 50  0000 C CNN
F 2 "~" H 2900 4300 60  0000 C CNN
F 3 "~" H 2900 4300 60  0000 C CNN
	1    2900 4300
	1    0    0    -1  
$EndComp
$Comp
L R R9
U 1 1 5630F98D
P 6400 4300
F 0 "R9" V 6480 4300 50  0000 C CNN
F 1 "18k" V 6400 4300 50  0000 C CNN
F 2 "~" H 6400 4300 60  0000 C CNN
F 3 "~" H 6400 4300 60  0000 C CNN
	1    6400 4300
	1    0    0    -1  
$EndComp
$Comp
L OPAMP_DUAL_8_PIN U2
U 2 1 5630FE9F
P 4200 3700
F 0 "U2" H 4200 3900 60  0000 C CNN
F 1 "TL072" H 4200 4000 60  0000 C CNN
F 2 "~" H 4200 3700 60  0000 C CNN
F 3 "~" H 4200 3700 60  0000 C CNN
	2    4200 3700
	-1   0    0    -1  
$EndComp
$Comp
L R R5
U 1 1 5630FFCD
P 5600 3100
F 0 "R5" V 5680 3100 50  0000 C CNN
F 1 "120k" V 5600 3100 50  0000 C CNN
F 2 "~" H 5600 3100 60  0000 C CNN
F 3 "~" H 5600 3100 60  0000 C CNN
	1    5600 3100
	0    -1   -1   0   
$EndComp
$Comp
L R R4
U 1 1 563100D1
P 4200 3100
F 0 "R4" V 4280 3100 50  0000 C CNN
F 1 "56k" V 4200 3100 50  0000 C CNN
F 2 "~" H 4200 3100 60  0000 C CNN
F 3 "~" H 4200 3100 60  0000 C CNN
	1    4200 3100
	0    -1   -1   0   
$EndComp
$Comp
L R R8
U 1 1 5631059F
P 6000 4300
F 0 "R8" V 6080 4300 50  0000 C CNN
F 1 "10k" V 6000 4300 50  0000 C CNN
F 2 "~" H 6000 4300 60  0000 C CNN
F 3 "~" H 6000 4300 60  0000 C CNN
	1    6000 4300
	1    0    0    -1  
$EndComp
$Comp
L R R2
U 1 1 563105A5
P 6000 2300
F 0 "R2" V 6080 2300 50  0000 C CNN
F 1 "10k" V 6000 2300 50  0000 C CNN
F 2 "~" H 6000 2300 60  0000 C CNN
F 3 "~" H 6000 2300 60  0000 C CNN
	1    6000 2300
	1    0    0    -1  
$EndComp
$Comp
L VOLTAGE_REG U1
U 1 1 56310A53
P 4050 1950
F 0 "U1" H 4050 2250 60  0000 C CNN
F 1 "78L12" H 4050 2150 60  0000 C CNN
F 2 "~" H 4050 1950 60  0000 C CNN
F 3 "~" H 4050 1950 60  0000 C CNN
	1    4050 1950
	1    0    0    -1  
$EndComp
$Comp
L OPAMP_DUAL_8_PIN U2
U 3 1 56310A59
P 5400 2300
F 0 "U2" H 5400 2075 60  0000 C CNN
F 1 "TL072" H 5400 1975 60  0000 C CNN
F 2 "~" H 5400 2300 60  0000 C CNN
F 3 "~" H 5400 2300 60  0000 C CNN
	3    5400 2300
	0    -1   1    0   
$EndComp
$Comp
L C C4
U 1 1 56310A5F
P 4900 2300
F 0 "C4" V 5000 2300 50  0000 C CNN
F 1 "100n" V 5075 2300 50  0000 C CNN
F 2 "~" H 4900 2300 60  0000 C CNN
F 3 "~" H 4900 2300 60  0000 C CNN
	1    4900 2300
	1    0    0    -1  
$EndComp
$Comp
L CPOL C3
U 1 1 56310A65
P 4600 2300
F 0 "C3" V 4700 2300 50  0000 C CNN
F 1 "10uF" V 4775 2300 50  0000 C CNN
F 2 "~" H 4600 2300 60  0000 C CNN
F 3 "~" H 4600 2300 60  0000 C CNN
	1    4600 2300
	1    0    0    -1  
$EndComp
$Comp
L C C2
U 1 1 56310A7F
P 3600 2300
F 0 "C2" V 3700 2300 50  0000 C CNN
F 1 "100n" V 3775 2300 50  0000 C CNN
F 2 "~" H 3600 2300 60  0000 C CNN
F 3 "~" H 3600 2300 60  0000 C CNN
	1    3600 2300
	1    0    0    -1  
$EndComp
$Comp
L P RP1
U 1 1 5630F995
P 6400 1600
F 0 "RP1" V 6325 1625 50  0000 C CNN
F 1 "100k" V 6250 1625 50  0000 C CNN
F 2 "~" H 6400 1600 60  0000 C CNN
F 3 "~" H 6400 1600 60  0000 C CNN
	1    6400 1600
	1    0    0    1   
$EndComp
$Comp
L CPOL C1
U 1 1 56310E15
P 3300 2300
F 0 "C1" V 3400 2300 50  0000 C CNN
F 1 "100uF" V 3475 2300 50  0000 C CNN
F 2 "~" H 3300 2300 60  0000 C CNN
F 3 "~" H 3300 2300 60  0000 C CNN
	1    3300 2300
	1    0    0    -1  
$EndComp
Text Label 1600 2400 0    60   ~ 0
+In
Text Label 1600 2500 0    60   ~ 0
Out
Text Label 1600 2600 0    60   ~ 0
-In
$Comp
L GND #PWR01
U 1 1 563176F0
P 3600 2800
F 0 "#PWR01" H 3600 2800 30  0001 C CNN
F 1 "GND" H 3600 2730 30  0000 C CNN
F 2 "" H 3600 2800 60  0000 C CNN
F 3 "" H 3600 2800 60  0000 C CNN
	1    3600 2800
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR02
U 1 1 563176FF
P 3200 4700
F 0 "#PWR02" H 3200 4700 30  0001 C CNN
F 1 "GND" H 3200 4630 30  0000 C CNN
F 2 "" H 3200 4700 60  0000 C CNN
F 3 "" H 3200 4700 60  0000 C CNN
	1    3200 4700
	1    0    0    -1  
$EndComp
$Comp
L R R3
U 1 1 56317CD1
P 6400 2300
F 0 "R3" V 6480 2300 50  0000 C CNN
F 1 "15k" V 6400 2300 50  0000 C CNN
F 2 "~" H 6400 2300 60  0000 C CNN
F 3 "~" H 6400 2300 60  0000 C CNN
	1    6400 2300
	1    0    0    -1  
$EndComp
$Comp
L ZENER D3
U 1 1 56317DB9
P 5700 4300
F 0 "D3" V 5800 4300 50  0000 C CNN
F 1 "5.6V" V 5875 4300 50  0000 C CNN
F 2 "~" H 5700 4300 60  0000 C CNN
F 3 "~" H 5700 4300 60  0000 C CNN
	1    5700 4300
	1    0    0    1   
$EndComp
$Comp
L JUMPER J1
U 1 1 56318B7E
P 4600 1600
F 0 "J1" H 4600 1700 60  0000 C CNN
F 1 "LOWVOLT" H 4600 1500 60  0000 C CNN
F 2 "~" H 4600 1600 60  0000 C CNN
F 3 "~" H 4600 1600 60  0000 C CNN
	1    4600 1600
	0    -1   -1   0   
$EndComp
Wire Wire Line
	1500 2400 2000 2400
Wire Wire Line
	2000 4600 6400 4600
Wire Wire Line
	2000 4600 2000 2600
Wire Wire Line
	2000 2600 1500 2600
Wire Wire Line
	2000 2400 2000 1300
Wire Wire Line
	1500 2500 2200 2500
Wire Wire Line
	2200 2400 2200 2800
Wire Wire Line
	2200 2000 2200 1300
Connection ~ 2200 1300
Connection ~ 2200 2500
Wire Wire Line
	2200 3200 2200 4600
Connection ~ 2200 4600
Wire Wire Line
	2500 2100 2900 2100
Wire Wire Line
	2900 1700 2900 3600
Wire Wire Line
	2900 1300 2900 1500
Connection ~ 2900 1300
Wire Wire Line
	2600 1300 2600 1400
Connection ~ 2600 1300
Wire Wire Line
	2600 1800 2600 2100
Connection ~ 2600 2100
Wire Wire Line
	3100 3800 3300 3800
Wire Wire Line
	2900 4000 2900 4100
Wire Wire Line
	2900 4500 2900 4600
Connection ~ 2900 4600
Wire Wire Line
	3200 4400 3200 4700
Connection ~ 3200 4600
Wire Wire Line
	3200 4200 3200 3800
Connection ~ 3200 3800
Connection ~ 2900 2100
Wire Wire Line
	3800 3800 3700 3800
Wire Wire Line
	3800 3100 3800 3800
Connection ~ 3800 3700
Wire Wire Line
	6400 3600 5900 3600
Connection ~ 6400 3600
Wire Wire Line
	2500 3100 4000 3100
Wire Wire Line
	5100 3100 5400 3100
Wire Wire Line
	5800 3100 6400 3100
Connection ~ 6400 3100
Wire Wire Line
	4500 3800 4600 3800
Wire Wire Line
	4600 3800 4600 4100
Wire Wire Line
	6400 2500 6400 4100
Wire Wire Line
	6000 4600 6000 4500
Wire Wire Line
	3300 1900 3700 1900
Wire Wire Line
	3300 2700 5400 2700
Wire Wire Line
	5400 2700 5400 2600
Wire Wire Line
	5400 1900 5400 2000
Wire Wire Line
	4400 1900 6000 1900
Connection ~ 4600 1900
Connection ~ 4600 2700
Wire Wire Line
	4900 2400 4900 2700
Connection ~ 4900 2700
Wire Wire Line
	4900 2200 4900 1900
Connection ~ 4900 1900
Wire Wire Line
	4600 1800 4600 2200
Wire Wire Line
	4600 2700 4600 2400
Wire Wire Line
	4050 2700 4050 2100
Connection ~ 5400 1900
Wire Wire Line
	3600 1900 3600 2200
Connection ~ 3600 1900
Wire Wire Line
	3600 2400 3600 2800
Connection ~ 4050 2700
Connection ~ 3600 2700
Wire Wire Line
	3300 1300 3300 2200
Connection ~ 3300 1300
Wire Wire Line
	2000 1300 6400 1300
Wire Wire Line
	6000 1900 6000 2100
Wire Wire Line
	3900 3700 3800 3700
Connection ~ 3800 3100
Connection ~ 3300 1900
Wire Wire Line
	3300 2400 3300 2700
Wire Wire Line
	6000 2500 6000 4100
Wire Wire Line
	5900 3800 6000 3800
Connection ~ 6000 3800
Wire Wire Line
	4600 4000 6000 4000
Connection ~ 6000 4000
Wire Wire Line
	6400 4600 6400 4500
Connection ~ 6000 4600
Wire Wire Line
	5700 4400 5700 4600
Connection ~ 5700 4600
Wire Wire Line
	5700 4200 5700 4000
Connection ~ 5700 4000
Wire Wire Line
	4600 1400 4600 1300
Connection ~ 4600 1300
Wire Wire Line
	6400 1300 6400 1400
Wire Wire Line
	6500 1700 6500 1900
Wire Wire Line
	6500 1900 6400 1900
Wire Wire Line
	6400 1800 6400 2100
Connection ~ 6400 1900
Connection ~ 5200 3100
Wire Wire Line
	4400 3100 4700 3100
$Comp
L P RP2
U 1 1 56319D77
P 4900 3100
F 0 "RP2" V 4825 3125 50  0000 C CNN
F 1 "100k" V 4750 3125 50  0000 C CNN
F 2 "~" H 4900 3100 60  0000 C CNN
F 3 "~" H 4900 3100 60  0000 C CNN
	1    4900 3100
	0    -1   1    0   
$EndComp
Wire Wire Line
	5200 3100 5200 4300
Wire Wire Line
	5200 3700 5300 3700
$Comp
L CONN_3 P2
U 1 1 5631A08A
P 4000 4200
F 0 "P2" H 4000 4500 60  0000 C CNN
F 1 "TESTPOINT" H 4000 4400 60  0000 C CNN
F 2 "" H 4000 4200 60  0000 C CNN
F 3 "" H 4000 4200 60  0000 C CNN
	1    4000 4200
	1    0    0    1   
$EndComp
Wire Wire Line
	4600 4100 4200 4100
Connection ~ 4600 4000
Wire Wire Line
	5200 4300 4200 4300
Connection ~ 5200 3700
Wire Wire Line
	4500 3600 4800 3600
Wire Wire Line
	4800 3200 4800 4200
Wire Wire Line
	4800 4200 4200 4200
Connection ~ 4800 3600
Text Label 4300 4100 0    60   ~ 0
VREF
Text Label 4300 4200 0    60   ~ 0
HYST
Text Label 4300 4300 0    60   ~ 0
MEAS
Text Label 4950 1900 0    60   ~ 0
+12V
$Comp
L HOLE M1
U 1 1 5631E301
P 3800 5950
F 0 "M1" H 3800 5800 60  0000 C CNN
F 1 "HOLE" H 3800 6100 60  0000 C CNN
F 2 "" H 3800 5950 60  0000 C CNN
F 3 "" H 3800 5950 60  0000 C CNN
	1    3800 5950
	1    0    0    -1  
$EndComp
$Comp
L VIA V1
U 1 1 5631E310
P 1700 5950
F 0 "V1" H 1700 6020 60  0000 C CNN
F 1 "VIA" H 1700 6100 60  0000 C CNN
F 2 "~" H 1700 5950 60  0000 C CNN
F 3 "~" H 1700 5950 60  0000 C CNN
	1    1700 5950
	1    0    0    -1  
$EndComp
$Comp
L HOLE M2
U 1 1 5631E31D
P 3800 6400
F 0 "M2" H 3800 6250 60  0000 C CNN
F 1 "HOLE" H 3800 6550 60  0000 C CNN
F 2 "" H 3800 6400 60  0000 C CNN
F 3 "" H 3800 6400 60  0000 C CNN
	1    3800 6400
	1    0    0    -1  
$EndComp
$Comp
L VIA V2
U 1 1 5631E323
P 1900 5950
F 0 "V2" H 1900 6020 60  0000 C CNN
F 1 "VIA" H 1900 6100 60  0000 C CNN
F 2 "~" H 1900 5950 60  0000 C CNN
F 3 "~" H 1900 5950 60  0000 C CNN
	1    1900 5950
	1    0    0    -1  
$EndComp
$Comp
L VIA V3
U 1 1 5631E329
P 2100 5950
F 0 "V3" H 2100 6020 60  0000 C CNN
F 1 "VIA" H 2100 6100 60  0000 C CNN
F 2 "~" H 2100 5950 60  0000 C CNN
F 3 "~" H 2100 5950 60  0000 C CNN
	1    2100 5950
	1    0    0    -1  
$EndComp
$Comp
L VIA V4
U 1 1 5631E32F
P 2300 5950
F 0 "V4" H 2300 6020 60  0000 C CNN
F 1 "VIA" H 2300 6100 60  0000 C CNN
F 2 "~" H 2300 5950 60  0000 C CNN
F 3 "~" H 2300 5950 60  0000 C CNN
	1    2300 5950
	1    0    0    -1  
$EndComp
$Comp
L VIA V5
U 1 1 5631E335
P 2500 5950
F 0 "V5" H 2500 6020 60  0000 C CNN
F 1 "VIA" H 2500 6100 60  0000 C CNN
F 2 "~" H 2500 5950 60  0000 C CNN
F 3 "~" H 2500 5950 60  0000 C CNN
	1    2500 5950
	1    0    0    -1  
$EndComp
$Comp
L VIA V6
U 1 1 5631E33B
P 2700 5950
F 0 "V6" H 2700 6020 60  0000 C CNN
F 1 "VIA" H 2700 6100 60  0000 C CNN
F 2 "~" H 2700 5950 60  0000 C CNN
F 3 "~" H 2700 5950 60  0000 C CNN
	1    2700 5950
	1    0    0    -1  
$EndComp
$Comp
L VIA V7
U 1 1 5631E341
P 2900 5950
F 0 "V7" H 2900 6020 60  0000 C CNN
F 1 "VIA" H 2900 6100 60  0000 C CNN
F 2 "~" H 2900 5950 60  0000 C CNN
F 3 "~" H 2900 5950 60  0000 C CNN
	1    2900 5950
	1    0    0    -1  
$EndComp
$Comp
L VIA V8
U 1 1 5631E347
P 3100 5950
F 0 "V8" H 3100 6020 60  0000 C CNN
F 1 "VIA" H 3100 6100 60  0000 C CNN
F 2 "~" H 3100 5950 60  0000 C CNN
F 3 "~" H 3100 5950 60  0000 C CNN
	1    3100 5950
	1    0    0    -1  
$EndComp
Wire Wire Line
	1700 5950 3400 5950
Connection ~ 2900 5950
Connection ~ 2700 5950
Connection ~ 2500 5950
Connection ~ 2300 5950
Connection ~ 2100 5950
Connection ~ 1900 5950
Connection ~ 3100 5950
Text Label 3200 5950 0    60   ~ 0
Out
$Comp
L VIA V9
U 1 1 5631E693
P 1700 6250
F 0 "V9" H 1700 6320 60  0000 C CNN
F 1 "VIA" H 1700 6400 60  0000 C CNN
F 2 "~" H 1700 6250 60  0000 C CNN
F 3 "~" H 1700 6250 60  0000 C CNN
	1    1700 6250
	1    0    0    -1  
$EndComp
$Comp
L VIA V10
U 1 1 5631E699
P 1900 6250
F 0 "V10" H 1900 6320 60  0000 C CNN
F 1 "VIA" H 1900 6400 60  0000 C CNN
F 2 "~" H 1900 6250 60  0000 C CNN
F 3 "~" H 1900 6250 60  0000 C CNN
	1    1900 6250
	1    0    0    -1  
$EndComp
$Comp
L VIA V11
U 1 1 5631E69F
P 2100 6250
F 0 "V11" H 2100 6320 60  0000 C CNN
F 1 "VIA" H 2100 6400 60  0000 C CNN
F 2 "~" H 2100 6250 60  0000 C CNN
F 3 "~" H 2100 6250 60  0000 C CNN
	1    2100 6250
	1    0    0    -1  
$EndComp
$Comp
L VIA V12
U 1 1 5631E6A5
P 2300 6250
F 0 "V12" H 2300 6320 60  0000 C CNN
F 1 "VIA" H 2300 6400 60  0000 C CNN
F 2 "~" H 2300 6250 60  0000 C CNN
F 3 "~" H 2300 6250 60  0000 C CNN
	1    2300 6250
	1    0    0    -1  
$EndComp
$Comp
L VIA V13
U 1 1 5631E6AB
P 2500 6250
F 0 "V13" H 2500 6320 60  0000 C CNN
F 1 "VIA" H 2500 6400 60  0000 C CNN
F 2 "~" H 2500 6250 60  0000 C CNN
F 3 "~" H 2500 6250 60  0000 C CNN
	1    2500 6250
	1    0    0    -1  
$EndComp
$Comp
L VIA V14
U 1 1 5631E6B1
P 2700 6250
F 0 "V14" H 2700 6320 60  0000 C CNN
F 1 "VIA" H 2700 6400 60  0000 C CNN
F 2 "~" H 2700 6250 60  0000 C CNN
F 3 "~" H 2700 6250 60  0000 C CNN
	1    2700 6250
	1    0    0    -1  
$EndComp
$Comp
L VIA V15
U 1 1 5631E6B7
P 2900 6250
F 0 "V15" H 2900 6320 60  0000 C CNN
F 1 "VIA" H 2900 6400 60  0000 C CNN
F 2 "~" H 2900 6250 60  0000 C CNN
F 3 "~" H 2900 6250 60  0000 C CNN
	1    2900 6250
	1    0    0    -1  
$EndComp
$Comp
L VIA V16
U 1 1 5631E6BD
P 3100 6250
F 0 "V16" H 3100 6320 60  0000 C CNN
F 1 "VIA" H 3100 6400 60  0000 C CNN
F 2 "~" H 3100 6250 60  0000 C CNN
F 3 "~" H 3100 6250 60  0000 C CNN
	1    3100 6250
	1    0    0    -1  
$EndComp
Wire Wire Line
	1700 6250 3400 6250
Connection ~ 2900 6250
Connection ~ 2700 6250
Connection ~ 2500 6250
Connection ~ 2300 6250
Connection ~ 2100 6250
Connection ~ 1900 6250
Connection ~ 3100 6250
$Comp
L VIA V17
U 1 1 5631E6CB
P 1700 6550
F 0 "V17" H 1700 6620 60  0000 C CNN
F 1 "VIA" H 1700 6700 60  0000 C CNN
F 2 "~" H 1700 6550 60  0000 C CNN
F 3 "~" H 1700 6550 60  0000 C CNN
	1    1700 6550
	1    0    0    -1  
$EndComp
$Comp
L VIA V18
U 1 1 5631E6D1
P 1900 6550
F 0 "V18" H 1900 6620 60  0000 C CNN
F 1 "VIA" H 1900 6700 60  0000 C CNN
F 2 "~" H 1900 6550 60  0000 C CNN
F 3 "~" H 1900 6550 60  0000 C CNN
	1    1900 6550
	1    0    0    -1  
$EndComp
$Comp
L VIA V19
U 1 1 5631E6D7
P 2100 6550
F 0 "V19" H 2100 6620 60  0000 C CNN
F 1 "VIA" H 2100 6700 60  0000 C CNN
F 2 "~" H 2100 6550 60  0000 C CNN
F 3 "~" H 2100 6550 60  0000 C CNN
	1    2100 6550
	1    0    0    -1  
$EndComp
$Comp
L VIA V20
U 1 1 5631E6DD
P 2300 6550
F 0 "V20" H 2300 6620 60  0000 C CNN
F 1 "VIA" H 2300 6700 60  0000 C CNN
F 2 "~" H 2300 6550 60  0000 C CNN
F 3 "~" H 2300 6550 60  0000 C CNN
	1    2300 6550
	1    0    0    -1  
$EndComp
$Comp
L VIA V21
U 1 1 5631E6E3
P 2500 6550
F 0 "V21" H 2500 6620 60  0000 C CNN
F 1 "VIA" H 2500 6700 60  0000 C CNN
F 2 "~" H 2500 6550 60  0000 C CNN
F 3 "~" H 2500 6550 60  0000 C CNN
	1    2500 6550
	1    0    0    -1  
$EndComp
$Comp
L VIA V22
U 1 1 5631E6E9
P 2700 6550
F 0 "V22" H 2700 6620 60  0000 C CNN
F 1 "VIA" H 2700 6700 60  0000 C CNN
F 2 "~" H 2700 6550 60  0000 C CNN
F 3 "~" H 2700 6550 60  0000 C CNN
	1    2700 6550
	1    0    0    -1  
$EndComp
$Comp
L VIA V23
U 1 1 5631E6EF
P 2900 6550
F 0 "V23" H 2900 6620 60  0000 C CNN
F 1 "VIA" H 2900 6700 60  0000 C CNN
F 2 "~" H 2900 6550 60  0000 C CNN
F 3 "~" H 2900 6550 60  0000 C CNN
	1    2900 6550
	1    0    0    -1  
$EndComp
$Comp
L VIA V24
U 1 1 5631E6F5
P 3100 6550
F 0 "V24" H 3100 6620 60  0000 C CNN
F 1 "VIA" H 3100 6700 60  0000 C CNN
F 2 "~" H 3100 6550 60  0000 C CNN
F 3 "~" H 3100 6550 60  0000 C CNN
	1    3100 6550
	1    0    0    -1  
$EndComp
Wire Wire Line
	1700 6550 3400 6550
Connection ~ 2900 6550
Connection ~ 2700 6550
Connection ~ 2500 6550
Connection ~ 2300 6550
Connection ~ 2100 6550
Connection ~ 1900 6550
Connection ~ 3100 6550
Wire Wire Line
	3400 6250 3400 6950
$Comp
L GND #PWR03
U 1 1 5631E7FE
P 3400 6950
F 0 "#PWR03" H 3400 6950 30  0001 C CNN
F 1 "GND" H 3400 6880 30  0000 C CNN
F 2 "" H 3400 6950 60  0000 C CNN
F 3 "" H 3400 6950 60  0000 C CNN
	1    3400 6950
	1    0    0    -1  
$EndComp
Connection ~ 3400 6550
$Comp
L VIA V32
U 1 1 563203AA
P 3100 6850
F 0 "V32" H 3100 6920 60  0000 C CNN
F 1 "VIA" H 3100 7000 60  0000 C CNN
F 2 "~" H 3100 6850 60  0000 C CNN
F 3 "~" H 3100 6850 60  0000 C CNN
	1    3100 6850
	1    0    0    -1  
$EndComp
Connection ~ 3100 6850
Connection ~ 3400 6850
Connection ~ 2900 6850
$Comp
L VIA V31
U 1 1 563203A4
P 2900 6850
F 0 "V31" H 2900 6920 60  0000 C CNN
F 1 "VIA" H 2900 7000 60  0000 C CNN
F 2 "~" H 2900 6850 60  0000 C CNN
F 3 "~" H 2900 6850 60  0000 C CNN
	1    2900 6850
	1    0    0    -1  
$EndComp
$Comp
L VIA V30
U 1 1 5632039E
P 2700 6850
F 0 "V30" H 2700 6920 60  0000 C CNN
F 1 "VIA" H 2700 7000 60  0000 C CNN
F 2 "~" H 2700 6850 60  0000 C CNN
F 3 "~" H 2700 6850 60  0000 C CNN
	1    2700 6850
	1    0    0    -1  
$EndComp
Connection ~ 2500 6850
$Comp
L VIA V29
U 1 1 56320476
P 2500 6850
F 0 "V29" H 2500 6920 60  0000 C CNN
F 1 "VIA" H 2500 7000 60  0000 C CNN
F 2 "~" H 2500 6850 60  0000 C CNN
F 3 "~" H 2500 6850 60  0000 C CNN
	1    2500 6850
	1    0    0    -1  
$EndComp
$Comp
L VIA V28
U 1 1 5632047C
P 2300 6850
F 0 "V28" H 2300 6920 60  0000 C CNN
F 1 "VIA" H 2300 7000 60  0000 C CNN
F 2 "~" H 2300 6850 60  0000 C CNN
F 3 "~" H 2300 6850 60  0000 C CNN
	1    2300 6850
	1    0    0    -1  
$EndComp
$Comp
L VIA V27
U 1 1 56320482
P 2100 6850
F 0 "V27" H 2100 6920 60  0000 C CNN
F 1 "VIA" H 2100 7000 60  0000 C CNN
F 2 "~" H 2100 6850 60  0000 C CNN
F 3 "~" H 2100 6850 60  0000 C CNN
	1    2100 6850
	1    0    0    -1  
$EndComp
Connection ~ 1900 6850
$Comp
L VIA V26
U 1 1 56320489
P 1900 6850
F 0 "V26" H 1900 6920 60  0000 C CNN
F 1 "VIA" H 1900 7000 60  0000 C CNN
F 2 "~" H 1900 6850 60  0000 C CNN
F 3 "~" H 1900 6850 60  0000 C CNN
	1    1900 6850
	1    0    0    -1  
$EndComp
$Comp
L VIA V25
U 1 1 5632048F
P 1700 6850
F 0 "V25" H 1700 6920 60  0000 C CNN
F 1 "VIA" H 1700 7000 60  0000 C CNN
F 2 "~" H 1700 6850 60  0000 C CNN
F 3 "~" H 1700 6850 60  0000 C CNN
	1    1700 6850
	1    0    0    -1  
$EndComp
Wire Wire Line
	1700 6850 3400 6850
Connection ~ 2100 6850
Connection ~ 2300 6850
Connection ~ 2700 6850
$Comp
L HOLE M3
U 1 1 5632090B
P 3800 6850
F 0 "M3" H 3800 6700 60  0000 C CNN
F 1 "HOLE" H 3800 7000 60  0000 C CNN
F 2 "" H 3800 6850 60  0000 C CNN
F 3 "" H 3800 6850 60  0000 C CNN
	1    3800 6850
	1    0    0    -1  
$EndComp
Text Notes 6850 1600 0    70   ~ 0
Lower Switch (-In to Out)
Text Notes 6850 1450 0    80   ~ 16
Switch Options
Text Notes 6850 1950 0    70   ~ 0
Upper Switch (+In to Out)
Text Notes 6850 1750 0    50   ~ 0
Leave away Q1, R1, D1, Q3 and R7.
Text Notes 6850 2100 0    50   ~ 0
Leave away Q2.
Text Notes 6850 2550 0    70   ~ 0
Input Voltage > 15V
Text Notes 6850 2400 0    80   ~ 16
Voltage Options
Text Notes 6850 2950 0    70   ~ 0
Input Voltage < 15V
Text Notes 6850 2700 0    50   ~ 0
Leave away D3.\nLeave J1 open.
Text Notes 6850 3100 0    50   ~ 0
Leave away U1, C3, C4 and R8.\nClose J1.
$EndSCHEMATC