EESchema Schematic File Version 2
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:power
LIBS:eSim_Plot
LIBS:transistors
LIBS:conn
LIBS:eSim_User
LIBS:regul
LIBS:74xx
LIBS:cmos4000
LIBS:eSim_Analog
LIBS:eSim_Devices
LIBS:eSim_Digital
LIBS:eSim_Hybrid
LIBS:eSim_Miscellaneous
LIBS:eSim_Power
LIBS:eSim_Sources
LIBS:eSim_Subckt
LIBS:eSim_Nghdl
LIBS:eSim_Ngveri
LIBS:eSim_SKY130
LIBS:eSim_SKY130_Subckts
LIBS:ref5010_2-cache
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 lm_741 X1
U 1 1 67A89754
P 5850 3550
F 0 "X1" H 5650 3550 60  0000 C CNN
F 1 "lm_741" H 5750 3300 60  0000 C CNN
F 2 "" H 5850 3550 60  0000 C CNN
F 3 "" H 5850 3550 60  0000 C CNN
	1    5850 3550
	1    0    0    -1  
$EndComp
$Comp
L resistor R2
U 1 1 67A897C9
P 6400 2150
F 0 "R2" H 6450 2280 50  0000 C CNN
F 1 "1k" H 6450 2100 50  0000 C CNN
F 2 "" H 6450 2130 30  0000 C CNN
F 3 "" V 6450 2200 30  0000 C CNN
	1    6400 2150
	1    0    0    -1  
$EndComp
$Comp
L resistor R1
U 1 1 67A8985A
P 4150 2150
F 0 "R1" H 4200 2280 50  0000 C CNN
F 1 "1k" H 4200 2100 50  0000 C CNN
F 2 "" H 4200 2130 30  0000 C CNN
F 3 "" V 4200 2200 30  0000 C CNN
	1    4150 2150
	1    0    0    -1  
$EndComp
$Comp
L resistor R3
U 1 1 67A898C0
P 4100 3700
F 0 "R3" H 4150 3830 50  0000 C CNN
F 1 "10k" H 4150 3650 50  0000 C CNN
F 2 "" H 4150 3680 30  0000 C CNN
F 3 "" V 4150 3750 30  0000 C CNN
	1    4100 3700
	1    0    0    -1  
$EndComp
$Comp
L resistor R4
U 1 1 67A89960
P 5400 4550
F 0 "R4" H 5450 4680 50  0000 C CNN
F 1 "1k" H 5450 4500 50  0000 C CNN
F 2 "" H 5450 4530 30  0000 C CNN
F 3 "" V 5450 4600 30  0000 C CNN
	1    5400 4550
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 1 1 67A899B4
P 3950 1250
F 0 "U1" H 4000 1350 30  0000 C CNN
F 1 "PORT" H 3950 1250 30  0000 C CNN
F 2 "" H 3950 1250 60  0000 C CNN
F 3 "" H 3950 1250 60  0000 C CNN
	1    3950 1250
	0    1    1    0   
$EndComp
$Comp
L PORT U1
U 3 1 67A89A85
P 7800 3550
F 0 "U1" H 7850 3650 30  0000 C CNN
F 1 "PORT" H 7800 3550 30  0000 C CNN
F 2 "" H 7800 3550 60  0000 C CNN
F 3 "" H 7800 3550 60  0000 C CNN
	3    7800 3550
	-1   0    0    1   
$EndComp
$Comp
L PORT U1
U 8 1 67A89B78
P 4400 5700
F 0 "U1" H 4450 5800 30  0000 C CNN
F 1 "PORT" H 4400 5700 30  0000 C CNN
F 2 "" H 4400 5700 60  0000 C CNN
F 3 "" H 4400 5700 60  0000 C CNN
	8    4400 5700
	0    -1   -1   0   
$EndComp
$Comp
L DC v1
U 1 1 67A89C54
P 3800 4400
F 0 "v1" H 3600 4500 60  0000 C CNN
F 1 "1.2v" H 3600 4350 60  0000 C CNN
F 2 "R1" H 3500 4400 60  0000 C CNN
F 3 "" H 3800 4400 60  0000 C CNN
	1    3800 4400
	1    0    0    -1  
$EndComp
$Comp
L dc I1
U 1 1 67A89CB1
P 2700 4250
F 0 "I1" H 2500 4350 60  0000 C CNN
F 1 "0.000001" H 2500 4200 60  0000 C CNN
F 2 "R1" H 2400 4250 60  0000 C CNN
F 3 "" H 2700 4250 60  0000 C CNN
	1    2700 4250
	-1   0    0    1   
$EndComp
$Comp
L resistor R5
U 1 1 67A89CF8
P 2650 5550
F 0 "R5" H 2700 5680 50  0000 C CNN
F 1 "60k" H 2700 5500 50  0000 C CNN
F 2 "" H 2700 5530 30  0000 C CNN
F 3 "" V 2700 5600 30  0000 C CNN
	1    2650 5550
	0    1    1    0   
$EndComp
$Comp
L PORT U1
U 7 1 67A89ED2
P 1750 5050
F 0 "U1" H 1800 5150 30  0000 C CNN
F 1 "PORT" H 1750 5050 30  0000 C CNN
F 2 "" H 1750 5050 60  0000 C CNN
F 3 "" H 1750 5050 60  0000 C CNN
	7    1750 5050
	1    0    0    -1  
$EndComp
Wire Wire Line
	2700 5450 2700 4700
Wire Wire Line
	2700 3800 2700 1500
Wire Wire Line
	2700 1500 3950 1500
Wire Wire Line
	5300 3650 4300 3650
Wire Wire Line
	4000 3650 3800 3650
Wire Wire Line
	3800 3650 3800 3950
Wire Wire Line
	5250 3400 5250 2100
Wire Wire Line
	4350 2100 6300 2100
Wire Wire Line
	5250 3400 5300 3400
Connection ~ 5250 2100
Wire Wire Line
	4050 2100 3300 2100
Wire Wire Line
	3300 2100 3300 5750
Wire Wire Line
	3300 5450 4400 5450
Wire Wire Line
	3800 4850 3800 5450
Connection ~ 3800 5450
Wire Wire Line
	3300 5750 2700 5750
Connection ~ 3300 5450
Wire Wire Line
	6400 3550 7550 3550
Wire Wire Line
	6600 2100 7100 2100
Wire Wire Line
	7100 2100 7100 3550
Connection ~ 7100 3550
Wire Wire Line
	5200 3650 5200 4500
Wire Wire Line
	5200 4500 5300 4500
Connection ~ 5200 3650
$Comp
L PORT U1
U 6 1 67A8A376
P 7850 4450
F 0 "U1" H 7900 4550 30  0000 C CNN
F 1 "PORT" H 7850 4450 30  0000 C CNN
F 2 "" H 7850 4450 60  0000 C CNN
F 3 "" H 7850 4450 60  0000 C CNN
	6    7850 4450
	-1   0    0    1   
$EndComp
Wire Wire Line
	5600 4500 7600 4500
Wire Wire Line
	7600 4500 7600 4450
Wire Wire Line
	2000 5050 2700 5050
Connection ~ 2700 5050
$Comp
L PORT U1
U 2 1 67A8A81C
P 8650 3100
F 0 "U1" H 8700 3200 30  0000 C CNN
F 1 "PORT" H 8650 3100 30  0000 C CNN
F 2 "" H 8650 3100 60  0000 C CNN
F 3 "" H 8650 3100 60  0000 C CNN
	2    8650 3100
	-1   0    0    1   
$EndComp
$Comp
L PORT U1
U 4 1 67A8A8A2
P 8550 3700
F 0 "U1" H 8600 3800 30  0000 C CNN
F 1 "PORT" H 8550 3700 30  0000 C CNN
F 2 "" H 8550 3700 60  0000 C CNN
F 3 "" H 8550 3700 60  0000 C CNN
	4    8550 3700
	-1   0    0    1   
$EndComp
$Comp
L PORT U1
U 5 1 67A8A8F7
P 8850 4350
F 0 "U1" H 8900 4450 30  0000 C CNN
F 1 "PORT" H 8850 4350 30  0000 C CNN
F 2 "" H 8850 4350 60  0000 C CNN
F 3 "" H 8850 4350 60  0000 C CNN
	5    8850 4350
	-1   0    0    1   
$EndComp
NoConn ~ 8600 4350
NoConn ~ 8300 3700
NoConn ~ 8400 3100
$Comp
L DC v2
U 1 1 67A89EB8
P 6250 2700
F 0 "v2" H 6050 2800 60  0000 C CNN
F 1 "12v" H 6050 2650 60  0000 C CNN
F 2 "R1" H 5950 2700 60  0000 C CNN
F 3 "" H 6250 2700 60  0000 C CNN
	1    6250 2700
	0    -1   -1   0   
$EndComp
Wire Wire Line
	5700 3100 5700 2700
Wire Wire Line
	5700 2700 5800 2700
$Comp
L DC v3
U 1 1 67A89FC7
P 6400 4100
F 0 "v3" H 6200 4200 60  0000 C CNN
F 1 "12v" H 6200 4050 60  0000 C CNN
F 2 "R1" H 6100 4100 60  0000 C CNN
F 3 "" H 6400 4100 60  0000 C CNN
	1    6400 4100
	0    -1   -1   0   
$EndComp
Wire Wire Line
	5700 4000 5700 4100
Wire Wire Line
	5700 4100 5950 4100
$Comp
L GND #PWR01
U 1 1 67A8A1D9
P 6850 2700
F 0 "#PWR01" H 6850 2450 50  0001 C CNN
F 1 "GND" H 6850 2550 50  0000 C CNN
F 2 "" H 6850 2700 50  0001 C CNN
F 3 "" H 6850 2700 50  0001 C CNN
	1    6850 2700
	0    -1   -1   0   
$EndComp
Wire Wire Line
	6700 2700 6850 2700
$Comp
L GND #PWR02
U 1 1 67A8A2FE
P 7100 4100
F 0 "#PWR02" H 7100 3850 50  0001 C CNN
F 1 "GND" H 7100 3950 50  0000 C CNN
F 2 "" H 7100 4100 50  0001 C CNN
F 3 "" H 7100 4100 50  0001 C CNN
	1    7100 4100
	0    -1   -1   0   
$EndComp
Wire Wire Line
	6850 4100 7100 4100
$EndSCHEMATC