EESchema Schematic File Version 2
LIBS:power
LIBS:device
LIBS:transistors
LIBS:conn
LIBS:linear
LIBS:regul
LIBS:74xx
LIBS:cmos4000
LIBS:adc-dac
LIBS:memory
LIBS:xilinx
LIBS:microcontrollers
LIBS:dsp
LIBS:microchip
LIBS:analog_switches
LIBS:motorola
LIBS:texas
LIBS:intel
LIBS:audio
LIBS:interface
LIBS:digital-audio
LIBS:philips
LIBS:display
LIBS:cypress
LIBS:siliconi
LIBS:opto
LIBS:atmel
LIBS:contrib
LIBS:valves
EELAYER 25 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L CONN_01X07 P2
U 1 1 5AB3ACB3
P 5200 3300
F 0 "P2" H 5200 3700 50  0000 C CNN
F 1 "CONN_01X07" V 5300 3300 50  0000 C CNN
F 2 "Pin_Headers:Pin_Header_Straight_1x07" V 5200 3300 50  0001 C CNN
F 3 "" H 5200 3300 50  0000 C CNN
	1    5200 3300
	1    0    0    1   
$EndComp
$Comp
L CONN_01X07 P1
U 1 1 5AB3AD07
P 2350 3300
F 0 "P1" H 2350 3700 50  0000 C CNN
F 1 "CONN_01X07" V 2450 3300 50  0000 C CNN
F 2 "Pin_Headers:Pin_Header_Straight_1x07" V 2350 3300 50  0001 C CNN
F 3 "" H 2350 3300 50  0000 C CNN
	1    2350 3300
	-1   0    0    -1  
$EndComp
$Comp
L LM324 U1
U 1 1 5AB3AE31
P 3450 2600
F 0 "U1" H 3500 2800 50  0001 C CNN
F 1 "LMV824M" V 3600 2400 50  0000 C CNN
F 2 "Housings_SOIC:SOIC-14_3.9x8.7mm_Pitch1.27mm" H 3400 2700 50  0001 C CNN
F 3 "" H 3500 2800 50  0000 C CNN
	1    3450 2600
	0    1    -1   0   
$EndComp
$Comp
L LM324 U1
U 3 1 5AB3AF91
P 4250 3950
F 0 "U1" H 4300 4150 50  0001 C CNN
F 1 "LMV824M" V 4400 3750 50  0000 C CNN
F 2 "Housings_SOIC:SOIC-14_3.9x8.7mm_Pitch1.27mm" H 4200 4050 50  0001 C CNN
F 3 "" H 4300 4150 50  0000 C CNN
	3    4250 3950
	0    -1   1    0   
$EndComp
$Comp
L LM324 U1
U 4 1 5AB3AFF0
P 4250 2600
F 0 "U1" H 4300 2800 50  0001 C CNN
F 1 "LMV824M" V 4400 2400 50  0000 C CNN
F 2 "Housings_SOIC:SOIC-14_3.9x8.7mm_Pitch1.27mm" H 4200 2700 50  0001 C CNN
F 3 "" H 4300 2800 50  0000 C CNN
	4    4250 2600
	0    -1   -1   0   
$EndComp
Wire Wire Line
	2550 3300 3900 3300
Wire Wire Line
	3950 2700 3900 2700
Wire Wire Line
	3900 2700 3900 3850
Wire Wire Line
	3800 3850 3750 3850
Wire Wire Line
	3800 2700 3800 3850
Connection ~ 3800 3300
Connection ~ 3900 3300
Wire Wire Line
	4600 2700 4600 3850
Wire Wire Line
	4600 2700 4550 2700
Connection ~ 4600 3350
Wire Wire Line
	2600 3000 2550 3000
Wire Wire Line
	2600 2250 2600 3000
Wire Wire Line
	3550 2900 3550 3200
Wire Wire Line
	2550 3400 3550 3400
Wire Wire Line
	3550 3400 3550 3650
Wire Wire Line
	2550 3500 3350 3500
Wire Wire Line
	3350 3500 3350 3650
Wire Wire Line
	3450 4250 3450 4300
Wire Wire Line
	3450 4300 2600 4300
Wire Wire Line
	2600 4300 2600 3600
Wire Wire Line
	2600 3600 2550 3600
Wire Wire Line
	4250 4250 4250 4300
Wire Wire Line
	4250 4300 4950 4300
Wire Wire Line
	4950 4300 4950 3600
Wire Wire Line
	4950 3600 5000 3600
Wire Wire Line
	3100 2700 3150 2700
Wire Wire Line
	3100 3850 3150 3850
Wire Wire Line
	3100 2700 3100 3850
Wire Wire Line
	4800 3300 5000 3300
Wire Wire Line
	5000 3200 4150 3200
Wire Wire Line
	4150 3200 4150 2900
Wire Wire Line
	4350 2900 4350 3100
Wire Wire Line
	4350 3100 5000 3100
Wire Wire Line
	4150 3650 4150 3400
Wire Wire Line
	4150 3400 5000 3400
Wire Wire Line
	5000 3500 4350 3500
Wire Wire Line
	4350 3500 4350 3650
Wire Wire Line
	3550 3200 2550 3200
Wire Wire Line
	2550 3100 3350 3100
Wire Wire Line
	3350 3100 3350 2900
Wire Wire Line
	3450 2300 3450 2250
Wire Wire Line
	3450 2250 2600 2250
Wire Wire Line
	4250 2300 4250 2250
Wire Wire Line
	4250 2250 4950 2250
Wire Wire Line
	4950 2250 4950 3000
Wire Wire Line
	4950 3000 5000 3000
Text Label 3420 3980 0    60   ~ 0
B
Text Label 4220 3980 0    60   ~ 0
C
Text Label 3420 2620 0    60   ~ 0
A
Text Label 4230 2610 0    60   ~ 0
D
Connection ~ 2800 3300
Wire Wire Line
	3750 2700 3800 2700
Wire Wire Line
	3900 3850 3950 3850
Connection ~ 3100 3350
Wire Wire Line
	4600 3850 4550 3850
$Comp
L GND #PWR01
U 1 1 5AB3C9BD
P 4800 3750
F 0 "#PWR01" H 4800 3500 50  0001 C CNN
F 1 "GND" H 4800 3600 50  0000 C CNN
F 2 "" H 4800 3750 50  0000 C CNN
F 3 "" H 4800 3750 50  0000 C CNN
	1    4800 3750
	1    0    0    -1  
$EndComp
Wire Wire Line
	4800 3300 4800 3750
Connection ~ 4800 3350
Wire Wire Line
	3100 3350 4800 3350
$Comp
L VCC #PWR02
U 1 1 5AB3CAFB
P 2800 2850
F 0 "#PWR02" H 2800 2700 50  0001 C CNN
F 1 "VCC" H 2800 3000 50  0000 C CNN
F 2 "" H 2800 2850 50  0000 C CNN
F 3 "" H 2800 2850 50  0000 C CNN
	1    2800 2850
	1    0    0    -1  
$EndComp
Wire Wire Line
	2800 2850 2800 3300
$Comp
L PWR_FLAG #FLG03
U 1 1 5AB3CC98
P 3700 2250
F 0 "#FLG03" H 3700 2345 50  0001 C CNN
F 1 "PWR_FLAG" H 3700 2430 50  0000 C CNN
F 2 "" H 3700 2250 50  0000 C CNN
F 3 "" H 3700 2250 50  0000 C CNN
	1    3700 2250
	1    0    0    -1  
$EndComp
$Comp
L VCC #PWR04
U 1 1 5AB3CD18
P 3700 2250
F 0 "#PWR04" H 3700 2100 50  0001 C CNN
F 1 "VCC" H 3700 2400 50  0000 C CNN
F 2 "" H 3700 2250 50  0000 C CNN
F 3 "" H 3700 2250 50  0000 C CNN
	1    3700 2250
	1    0    0    1   
$EndComp
$Comp
L GND #PWR05
U 1 1 5AB3CD41
P 4050 2250
F 0 "#PWR05" H 4050 2000 50  0001 C CNN
F 1 "GND" H 4050 2100 50  0000 C CNN
F 2 "" H 4050 2250 50  0000 C CNN
F 3 "" H 4050 2250 50  0000 C CNN
	1    4050 2250
	1    0    0    -1  
$EndComp
$Comp
L PWR_FLAG #FLG06
U 1 1 5AB3CD52
P 4050 2250
F 0 "#FLG06" H 4050 2345 50  0001 C CNN
F 1 "PWR_FLAG" H 4050 2430 50  0000 C CNN
F 2 "" H 4050 2250 50  0000 C CNN
F 3 "" H 4050 2250 50  0000 C CNN
	1    4050 2250
	1    0    0    -1  
$EndComp
$Comp
L LM324 U1
U 2 1 5AB3CE92
P 3450 3950
F 0 "U1" V 3500 4150 50  0001 C CNN
F 1 "LMV824M" V 3600 3750 50  0000 C CNN
F 2 "Housings_SOIC:SOIC-14_3.9x8.7mm_Pitch1.27mm" H 3400 4050 50  0001 C CNN
F 3 "" H 3500 4150 50  0000 C CNN
	2    3450 3950
	0    1    1    0   
$EndComp
$EndSCHEMATC