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:UA777_Sub-cache
LIBS:UA777-cache
EELAYER 25 0
EELAYER END
$Descr User 17000 11827
encoding utf-8
Sheet 1 1
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L eSim_PNP Q2
U 1 1 668B8CF5
P 3100 2750
F 0 "Q2" H 3000 2800 50  0000 R CNN
F 1 "eSim_PNP" H 3050 2900 50  0000 R CNN
F 2 "" H 3300 2850 29  0000 C CNN
F 3 "" H 3100 2750 60  0000 C CNN
	1    3100 2750
	-1   0    0    1   
$EndComp
$Comp
L eSim_NPN Q1
U 1 1 668B8CF6
P 2900 3500
F 0 "Q1" H 2800 3550 50  0000 R CNN
F 1 "eSim_NPN" H 2850 3650 50  0000 R CNN
F 2 "" H 3100 3600 29  0000 C CNN
F 3 "" H 2900 3500 60  0000 C CNN
	1    2900 3500
	1    0    0    -1  
$EndComp
$Comp
L eSim_PNP Q3
U 1 1 668B8CF7
P 3300 4250
F 0 "Q3" H 3200 4300 50  0000 R CNN
F 1 "eSim_PNP" H 3250 4400 50  0000 R CNN
F 2 "" H 3500 4350 29  0000 C CNN
F 3 "" H 3300 4250 60  0000 C CNN
	1    3300 4250
	-1   0    0    1   
$EndComp
$Comp
L eSim_PNP Q6
U 1 1 668B8CF8
P 4350 4250
F 0 "Q6" H 4250 4300 50  0000 R CNN
F 1 "eSim_PNP" H 4300 4400 50  0000 R CNN
F 2 "" H 4550 4350 29  0000 C CNN
F 3 "" H 4350 4250 60  0000 C CNN
	1    4350 4250
	1    0    0    1   
$EndComp
$Comp
L eSim_NPN Q8
U 1 1 668B8CF9
P 4550 3500
F 0 "Q8" H 4450 3550 50  0000 R CNN
F 1 "eSim_NPN" H 4500 3650 50  0000 R CNN
F 2 "" H 4750 3600 29  0000 C CNN
F 3 "" H 4550 3500 60  0000 C CNN
	1    4550 3500
	-1   0    0    -1  
$EndComp
$Comp
L eSim_NPN Q5
U 1 1 668B8CFA
P 3450 5150
F 0 "Q5" H 3350 5200 50  0000 R CNN
F 1 "eSim_NPN" H 3400 5300 50  0000 R CNN
F 2 "" H 3650 5250 29  0000 C CNN
F 3 "" H 3450 5150 60  0000 C CNN
	1    3450 5150
	1    0    0    -1  
$EndComp
$Comp
L eSim_NPN Q4
U 1 1 668B8CFB
P 3300 6000
F 0 "Q4" H 3200 6050 50  0000 R CNN
F 1 "eSim_NPN" H 3250 6150 50  0000 R CNN
F 2 "" H 3500 6100 29  0000 C CNN
F 3 "" H 3300 6000 60  0000 C CNN
	1    3300 6000
	-1   0    0    -1  
$EndComp
$Comp
L eSim_NPN Q7
U 1 1 668B8CFC
P 4400 6000
F 0 "Q7" H 4300 6050 50  0000 R CNN
F 1 "eSim_NPN" H 4350 6150 50  0000 R CNN
F 2 "" H 4600 6100 29  0000 C CNN
F 3 "" H 4400 6000 60  0000 C CNN
	1    4400 6000
	1    0    0    -1  
$EndComp
$Comp
L resistor R2
U 1 1 668B8CFD
P 3150 6850
F 0 "R2" H 3200 6980 50  0000 C CNN
F 1 "1k" H 3200 6800 50  0000 C CNN
F 2 "" H 3200 6830 30  0000 C CNN
F 3 "" V 3200 6900 30  0000 C CNN
	1    3150 6850
	0    1    1    0   
$EndComp
$Comp
L resistor R3
U 1 1 668B8CFE
P 4000 6800
F 0 "R3" H 4050 6930 50  0000 C CNN
F 1 "50k" H 4050 6750 50  0000 C CNN
F 2 "" H 4050 6780 30  0000 C CNN
F 3 "" V 4050 6850 30  0000 C CNN
	1    4000 6800
	0    1    1    0   
$EndComp
$Comp
L resistor R4
U 1 1 668B8CFF
P 4450 6800
F 0 "R4" H 4500 6930 50  0000 C CNN
F 1 "1k" H 4500 6750 50  0000 C CNN
F 2 "" H 4500 6780 30  0000 C CNN
F 3 "" V 4500 6850 30  0000 C CNN
	1    4450 6800
	0    1    1    0   
$EndComp
$Comp
L eSim_PNP Q9
U 1 1 668B8D00
P 5600 2750
F 0 "Q9" H 5500 2800 50  0000 R CNN
F 1 "eSim_PNP" H 5550 2900 50  0000 R CNN
F 2 "" H 5800 2850 29  0000 C CNN
F 3 "" H 5600 2750 60  0000 C CNN
	1    5600 2750
	1    0    0    1   
$EndComp
$Comp
L resistor R5
U 1 1 668B8D01
P 5250 5550
F 0 "R5" H 5300 5680 50  0000 C CNN
F 1 "300" H 5300 5500 50  0000 C CNN
F 2 "" H 5300 5530 30  0000 C CNN
F 3 "" V 5300 5600 30  0000 C CNN
	1    5250 5550
	-1   0    0    1   
$EndComp
$Comp
L eSim_NPN Q10
U 1 1 668B8D02
P 5800 6400
F 0 "Q10" H 5700 6450 50  0000 R CNN
F 1 "eSim_NPN" H 5750 6550 50  0000 R CNN
F 2 "" H 6000 6500 29  0000 C CNN
F 3 "" H 5800 6400 60  0000 C CNN
	1    5800 6400
	-1   0    0    -1  
$EndComp
$Comp
L resistor R6
U 1 1 668B8D03
P 5650 6900
F 0 "R6" H 5700 7030 50  0000 C CNN
F 1 "10k" H 5700 6850 50  0000 C CNN
F 2 "" H 5700 6880 30  0000 C CNN
F 3 "" V 5700 6950 30  0000 C CNN
	1    5650 6900
	0    1    1    0   
$EndComp
$Comp
L eSim_PNP Q12
U 1 1 668B8D04
P 7050 2700
F 0 "Q12" H 6950 2750 50  0000 R CNN
F 1 "eSim_PNP" H 7000 2850 50  0000 R CNN
F 2 "" H 7250 2800 29  0000 C CNN
F 3 "" H 7050 2700 60  0000 C CNN
	1    7050 2700
	-1   0    0    1   
$EndComp
$Comp
L resistor R7
U 1 1 668B8D05
P 7000 4650
F 0 "R7" H 7050 4780 50  0000 C CNN
F 1 "40k" H 7050 4600 50  0000 C CNN
F 2 "" H 7050 4630 30  0000 C CNN
F 3 "" V 7050 4700 30  0000 C CNN
	1    7000 4650
	0    -1   -1   0   
$EndComp
$Comp
L eSim_NPN Q11
U 1 1 668B8D06
P 6750 6400
F 0 "Q11" H 6650 6450 50  0000 R CNN
F 1 "eSim_NPN" H 6700 6550 50  0000 R CNN
F 2 "" H 6950 6500 29  0000 C CNN
F 3 "" H 6750 6400 60  0000 C CNN
	1    6750 6400
	1    0    0    -1  
$EndComp
$Comp
L eSim_PNP Q15
U 1 1 668B8D07
P 8700 2700
F 0 "Q15" H 8600 2750 50  0000 R CNN
F 1 "eSim_PNP" H 8650 2850 50  0000 R CNN
F 2 "" H 8900 2800 29  0000 C CNN
F 3 "" H 8700 2700 60  0000 C CNN
	1    8700 2700
	1    0    0    1   
$EndComp
$Comp
L eSim_PNP Q17
U 1 1 668B8D08
P 9300 2700
F 0 "Q17" H 9200 2750 50  0000 R CNN
F 1 "eSim_PNP" H 9250 2850 50  0000 R CNN
F 2 "" H 9500 2800 29  0000 C CNN
F 3 "" H 9300 2700 60  0000 C CNN
	1    9300 2700
	1    0    0    1   
$EndComp
$Comp
L eSim_NPN Q14
U 1 1 668B8D09
P 8300 5850
F 0 "Q14" H 8200 5900 50  0000 R CNN
F 1 "eSim_NPN" H 8250 6000 50  0000 R CNN
F 2 "" H 8500 5950 29  0000 C CNN
F 3 "" H 8300 5850 60  0000 C CNN
	1    8300 5850
	1    0    0    -1  
$EndComp
$Comp
L eSim_NPN Q16
U 1 1 668B8D0A
P 8700 6250
F 0 "Q16" H 8600 6300 50  0000 R CNN
F 1 "eSim_NPN" H 8650 6400 50  0000 R CNN
F 2 "" H 8900 6350 29  0000 C CNN
F 3 "" H 8700 6250 60  0000 C CNN
	1    8700 6250
	1    0    0    -1  
$EndComp
$Comp
L resistor R10
U 1 1 668B8D0B
P 8850 6900
F 0 "R10" H 8900 7030 50  0000 C CNN
F 1 "100" H 8900 6850 50  0000 C CNN
F 2 "" H 8900 6880 30  0000 C CNN
F 3 "" V 8900 6950 30  0000 C CNN
	1    8850 6900
	0    -1   -1   0   
$EndComp
$Comp
L eSim_NPN Q13
U 1 1 668B8D0C
P 7600 6400
F 0 "Q13" H 7500 6450 50  0000 R CNN
F 1 "eSim_NPN" H 7550 6550 50  0000 R CNN
F 2 "" H 7800 6500 29  0000 C CNN
F 3 "" H 7600 6400 60  0000 C CNN
	1    7600 6400
	-1   0    0    -1  
$EndComp
$Comp
L resistor R9
U 1 1 668B8D0D
P 8450 6950
F 0 "R9" H 8500 7080 50  0000 C CNN
F 1 "50k" H 8500 6900 50  0000 C CNN
F 2 "" H 8500 6930 30  0000 C CNN
F 3 "" V 8500 7000 30  0000 C CNN
	1    8450 6950
	0    -1   -1   0   
$EndComp
$Comp
L eSim_NPN Q25
U 1 1 668B8D0E
P 12250 3250
F 0 "Q25" H 12150 3300 50  0000 R CNN
F 1 "eSim_NPN" H 12200 3400 50  0000 R CNN
F 2 "" H 12450 3350 29  0000 C CNN
F 3 "" H 12250 3250 60  0000 C CNN
	1    12250 3250
	1    0    0    -1  
$EndComp
$Comp
L eSim_NPN Q23
U 1 1 668B8D0F
P 12150 3950
F 0 "Q23" H 12050 4000 50  0000 R CNN
F 1 "eSim_NPN" H 12100 4100 50  0000 R CNN
F 2 "" H 12350 4050 29  0000 C CNN
F 3 "" H 12150 3950 60  0000 C CNN
	1    12150 3950
	-1   0    0    -1  
$EndComp
$Comp
L eSim_NPN Q19
U 1 1 668B8D10
P 10350 4050
F 0 "Q19" H 10250 4100 50  0000 R CNN
F 1 "eSim_NPN" H 10300 4200 50  0000 R CNN
F 2 "" H 10550 4150 29  0000 C CNN
F 3 "" H 10350 4050 60  0000 C CNN
	1    10350 4050
	1    0    0    -1  
$EndComp
$Comp
L eSim_NPN Q21
U 1 1 668B8D11
P 11000 4700
F 0 "Q21" H 10900 4750 50  0000 R CNN
F 1 "eSim_NPN" H 10950 4850 50  0000 R CNN
F 2 "" H 11200 4800 29  0000 C CNN
F 3 "" H 11000 4700 60  0000 C CNN
	1    11000 4700
	1    0    0    -1  
$EndComp
$Comp
L resistor R11
U 1 1 668B8D12
P 10650 5200
F 0 "R11" H 10700 5330 50  0000 C CNN
F 1 "50k" H 10700 5150 50  0000 C CNN
F 2 "" H 10700 5180 30  0000 C CNN
F 3 "" V 10700 5250 30  0000 C CNN
	1    10650 5200
	1    0    0    -1  
$EndComp
$Comp
L eSim_PNP Q22
U 1 1 668B8D13
P 11000 5900
F 0 "Q22" H 10900 5950 50  0000 R CNN
F 1 "eSim_PNP" H 10950 6050 50  0000 R CNN
F 2 "" H 11200 6000 29  0000 C CNN
F 3 "" H 11000 5900 60  0000 C CNN
	1    11000 5900
	1    0    0    1   
$EndComp
$Comp
L eSim_PNP Q20
U 1 1 668B8D14
P 10400 5900
F 0 "Q20" H 10300 5950 50  0000 R CNN
F 1 "eSim_PNP" H 10350 6050 50  0000 R CNN
F 2 "" H 10600 6000 29  0000 C CNN
F 3 "" H 10400 5900 60  0000 C CNN
	1    10400 5900
	1    0    0    1   
$EndComp
$Comp
L eSim_NPN Q18
U 1 1 668B8D15
P 9400 7000
F 0 "Q18" H 9300 7050 50  0000 R CNN
F 1 "eSim_NPN" H 9350 7150 50  0000 R CNN
F 2 "" H 9600 7100 29  0000 C CNN
F 3 "" H 9400 7000 60  0000 C CNN
	1    9400 7000
	-1   0    0    -1  
$EndComp
$Comp
L eSim_PNP Q24
U 1 1 668B8D16
P 12150 5550
F 0 "Q24" H 12050 5600 50  0000 R CNN
F 1 "eSim_PNP" H 12100 5700 50  0000 R CNN
F 2 "" H 12350 5650 29  0000 C CNN
F 3 "" H 12150 5550 60  0000 C CNN
	1    12150 5550
	-1   0    0    1   
$EndComp
$Comp
L eSim_PNP Q26
U 1 1 668B8D17
P 12750 5850
F 0 "Q26" H 12650 5900 50  0000 R CNN
F 1 "eSim_PNP" H 12700 6000 50  0000 R CNN
F 2 "" H 12950 5950 29  0000 C CNN
F 3 "" H 12750 5850 60  0000 C CNN
	1    12750 5850
	1    0    0    1   
$EndComp
Wire Wire Line
	5000 3500 4750 3500
Wire Wire Line
	3300 2750 5400 2750
Wire Wire Line
	3000 2950 3000 3300
Wire Wire Line
	3000 3700 3000 4050
Wire Wire Line
	3000 4050 3200 4050
Wire Wire Line
	3500 4250 4150 4250
Wire Wire Line
	4450 3700 4450 4050
Wire Wire Line
	4450 2750 4450 3300
Connection ~ 4450 2750
Wire Wire Line
	3000 3100 4450 3100
Connection ~ 4450 3100
Connection ~ 3000 3100
Wire Wire Line
	3200 4450 3200 5800
Wire Wire Line
	3250 5150 3200 5150
Connection ~ 3200 5150
Wire Wire Line
	3500 6000 4200 6000
Wire Wire Line
	3550 5350 3550 5550
Wire Wire Line
	3550 5550 3800 5550
Wire Wire Line
	3800 5550 3800 6000
Connection ~ 3800 6000
Wire Wire Line
	3200 6200 3200 6750
Wire Wire Line
	4050 6700 4050 6000
Connection ~ 4050 6000
Wire Wire Line
	4500 6700 4500 6200
Wire Wire Line
	3200 7050 3200 7300
Wire Wire Line
	3200 7300 13600 7300
Wire Wire Line
	4500 7300 4500 7000
Wire Wire Line
	4050 7000 4050 7300
Connection ~ 4050 7300
Wire Wire Line
	4450 4450 4450 5800
Wire Wire Line
	4450 5800 4500 5800
Wire Wire Line
	3750 4250 3750 4650
Connection ~ 3750 4250
Wire Wire Line
	3000 2550 3000 2100
Wire Wire Line
	3000 2100 13200 2100
Wire Wire Line
	5700 2550 5700 2100
Connection ~ 5700 2100
Wire Wire Line
	5050 5600 4450 5600
Connection ~ 4450 5600
Wire Wire Line
	5700 7300 5700 7100
Connection ~ 4500 7300
Wire Wire Line
	5700 6800 5700 6600
Wire Wire Line
	5700 2950 5700 6200
Wire Wire Line
	6950 2500 6950 2100
Connection ~ 6950 2100
Wire Wire Line
	3750 4650 5700 4650
Connection ~ 5700 4650
Wire Wire Line
	6950 2900 6950 4450
Wire Wire Line
	6950 4750 6950 6200
Wire Wire Line
	6950 6200 6850 6200
Wire Wire Line
	6850 7300 6850 6600
Connection ~ 5700 7300
Wire Wire Line
	6000 6400 6550 6400
Wire Wire Line
	6300 6400 6300 5800
Wire Wire Line
	6300 5800 6950 5800
Connection ~ 6950 5800
Connection ~ 6300 6400
Wire Wire Line
	6950 3350 7700 3350
Wire Wire Line
	7700 3350 7700 2700
Connection ~ 7700 2700
Connection ~ 6950 3350
Wire Wire Line
	8800 2500 8800 2350
Wire Wire Line
	8800 2350 9400 2350
Wire Wire Line
	9400 2350 9400 2500
Wire Wire Line
	9000 2100 9000 2350
Connection ~ 9000 2350
Wire Wire Line
	8800 2900 8800 6050
Wire Wire Line
	9400 3250 12050 3250
Wire Wire Line
	8400 2100 8400 5650
Connection ~ 8400 2100
Wire Wire Line
	7500 6200 7500 5600
Connection ~ 7500 5600
Wire Wire Line
	7500 7300 7500 6600
Connection ~ 6850 7300
Wire Wire Line
	8400 6050 8400 6750
Wire Wire Line
	8400 6250 8500 6250
Connection ~ 8400 6250
Wire Wire Line
	8800 6700 8800 6450
Wire Wire Line
	8400 7300 8400 7050
Connection ~ 7500 7300
Wire Wire Line
	8800 7300 8800 7000
Connection ~ 8400 7300
Wire Wire Line
	7800 6400 8150 6400
Wire Wire Line
	8150 6400 8150 6550
Wire Wire Line
	12050 3750 12050 3650
Wire Wire Line
	12050 3650 11850 3650
Wire Wire Line
	11850 3650 11850 3250
Connection ~ 11850 3250
Wire Wire Line
	12050 4150 12050 5350
Wire Wire Line
	12350 3450 12800 3450
Wire Wire Line
	12350 3950 12800 3950
Connection ~ 12800 3950
Wire Wire Line
	9400 2900 9400 3250
Wire Wire Line
	12350 2100 12350 3050
Connection ~ 9000 2100
Wire Wire Line
	11100 3250 11100 4500
Connection ~ 11100 3250
Wire Wire Line
	10450 3850 10450 3700
Wire Wire Line
	10450 3700 11100 3700
Connection ~ 11100 3700
Wire Wire Line
	10150 4050 9850 4050
Wire Wire Line
	9850 4050 9850 3450
Wire Wire Line
	9850 3450 11100 3450
Connection ~ 11100 3450
Wire Wire Line
	10800 4700 10450 4700
Wire Wire Line
	10450 4250 10450 5150
Wire Wire Line
	10450 5150 10550 5150
Connection ~ 10450 4700
Wire Wire Line
	10850 5150 11100 5150
Wire Wire Line
	11100 4900 11100 5700
Connection ~ 11100 5150
Wire Wire Line
	10500 5400 10500 5700
Wire Wire Line
	10200 5900 10050 5900
Wire Wire Line
	10050 5900 10050 6300
Wire Wire Line
	10050 6300 10700 6300
Wire Wire Line
	10700 6300 10700 5900
Wire Wire Line
	10700 5900 10800 5900
Wire Wire Line
	10400 6300 10400 6400
Wire Wire Line
	10400 6400 9400 6400
Wire Wire Line
	9400 6400 9400 5900
Wire Wire Line
	9400 5900 8800 5900
Connection ~ 8800 5900
Connection ~ 10400 6300
Wire Wire Line
	10500 6100 10500 6400
Wire Wire Line
	10500 6400 11100 6400
Wire Wire Line
	11100 6400 11100 6100
Wire Wire Line
	10900 7300 10900 6400
Connection ~ 8800 7300
Connection ~ 10900 6400
Wire Wire Line
	9600 7000 10000 7000
Wire Wire Line
	10000 7000 10000 6550
Connection ~ 10000 6550
Wire Wire Line
	9300 6550 9300 6800
Connection ~ 9300 6550
Wire Wire Line
	9300 7200 9300 7300
Connection ~ 9300 7300
Wire Wire Line
	12800 5650 12850 5650
Wire Wire Line
	11100 5400 11550 5400
Wire Wire Line
	11550 5400 11550 6000
Wire Wire Line
	11550 6000 12250 6000
Wire Wire Line
	12250 6000 12250 5850
Wire Wire Line
	12250 5850 12550 5850
Connection ~ 11100 5400
Wire Wire Line
	12350 5550 12800 5550
Connection ~ 12800 5550
$Comp
L resistor R12
U 1 1 668B8D18
P 12050 7000
F 0 "R12" H 12100 7130 50  0000 C CNN
F 1 "50k" H 12100 6950 50  0000 C CNN
F 2 "" H 12100 6980 30  0000 C CNN
F 3 "" V 12100 7050 30  0000 C CNN
	1    12050 7000
	0    -1   -1   0   
$EndComp
Wire Wire Line
	12050 5750 12050 6800
Wire Wire Line
	12050 6800 12000 6800
Wire Wire Line
	12000 7300 12000 7100
Connection ~ 10900 7300
Wire Wire Line
	12850 7300 12850 6050
Connection ~ 12000 7300
Wire Wire Line
	8150 6550 12050 6550
Connection ~ 12050 6550
$Comp
L resistor R13
U 1 1 668B8D19
P 12750 4250
F 0 "R13" H 12800 4380 50  0000 C CNN
F 1 "27" H 12800 4200 50  0000 C CNN
F 2 "" H 12800 4230 30  0000 C CNN
F 3 "" V 12800 4300 30  0000 C CNN
	1    12750 4250
	0    1    1    0   
$EndComp
Wire Wire Line
	12800 3450 12800 4150
Wire Wire Line
	12800 4450 12800 5000
Wire Wire Line
	12800 4550 12050 4550
Connection ~ 12050 4550
$Comp
L resistor R14
U 1 1 668B8D1A
P 12750 5100
F 0 "R14" H 12800 5230 50  0000 C CNN
F 1 "22" H 12800 5050 50  0000 C CNN
F 2 "" H 12800 5080 30  0000 C CNN
F 3 "" V 12800 5150 30  0000 C CNN
	1    12750 5100
	0    1    1    0   
$EndComp
Connection ~ 12800 4550
Wire Wire Line
	12800 5300 12800 5650
Wire Wire Line
	12800 4850 13950 4850
Connection ~ 12800 4850
$Comp
L resistor R1
U 1 1 668B8D1E
P 2150 2750
F 0 "R1" H 2200 2880 50  0000 C CNN
F 1 "1k" H 2200 2700 50  0000 C CNN
F 2 "" H 2200 2730 30  0000 C CNN
F 3 "" V 2200 2800 30  0000 C CNN
	1    2150 2750
	-1   0    0    1   
$EndComp
Wire Wire Line
	2250 2800 2750 2800
Wire Wire Line
	2750 2800 2750 1700
Wire Wire Line
	2750 1700 5000 1700
Wire Wire Line
	5000 1700 5000 3500
Wire Wire Line
	2700 3500 2500 3500
Wire Wire Line
	2550 2800 2550 1150
Wire Wire Line
	2550 1150 7950 1150
Connection ~ 2550 2800
$Comp
L resistor R8
U 1 1 668B8D21
P 8050 1200
F 0 "R8" H 8100 1330 50  0000 C CNN
F 1 "4k" H 8100 1150 50  0000 C CNN
F 2 "" H 8100 1180 30  0000 C CNN
F 3 "" V 8100 1250 30  0000 C CNN
	1    8050 1200
	1    0    0    -1  
$EndComp
Connection ~ 13250 4850
Connection ~ 12850 7300
Wire Wire Line
	8250 1150 15150 1150
Wire Wire Line
	15150 1150 15150 3950
Wire Wire Line
	13200 2100 13200 2350
Connection ~ 12350 2100
Wire Wire Line
	15150 3950 13250 3950
Wire Wire Line
	13250 3950 13250 4850
Wire Wire Line
	3550 4950 3550 2350
Wire Wire Line
	3550 2350 7800 2350
Wire Wire Line
	7800 2350 7800 1700
Wire Wire Line
	7800 1700 13300 1700
Wire Wire Line
	13300 1700 13300 2150
Wire Wire Line
	13300 2150 13200 2150
Connection ~ 13200 2150
Wire Wire Line
	7250 2700 9100 2700
Connection ~ 8500 2700
Wire Wire Line
	5350 5600 7950 5600
Wire Wire Line
	7950 5600 7950 5850
Wire Wire Line
	7950 5850 8100 5850
Wire Wire Line
	7800 5600 7800 5250
Wire Wire Line
	7800 5250 10150 5250
Wire Wire Line
	10150 5250 10150 5400
Wire Wire Line
	10150 5400 10500 5400
Connection ~ 7800 5600
Wire Wire Line
	4450 5050 5200 5050
Wire Wire Line
	5200 5050 5200 1700
Connection ~ 4450 5050
Wire Wire Line
	8800 3750 8100 3750
Connection ~ 8800 3750
Wire Wire Line
	3200 4750 2500 4750
Connection ~ 3200 4750
Wire Wire Line
	1950 2800 1550 2800
$Comp
L PORT U1
U 4 1 668C16FF
P 13600 6950
F 0 "U1" H 13650 7050 30  0000 C CNN
F 1 "PORT" H 13600 6950 30  0000 C CNN
F 2 "" H 13600 6950 60  0000 C CNN
F 3 "" H 13600 6950 60  0000 C CNN
	4    13600 6950
	0    1    1    0   
$EndComp
$Comp
L PORT U1
U 1 1 668C17E4
P 5200 1450
F 0 "U1" H 5250 1550 30  0000 C CNN
F 1 "PORT" H 5200 1450 30  0000 C CNN
F 2 "" H 5200 1450 60  0000 C CNN
F 3 "" H 5200 1450 60  0000 C CNN
	1    5200 1450
	0    1    1    0   
$EndComp
$Comp
L PORT U1
U 2 1 668C1903
P 1300 2800
F 0 "U1" H 1350 2900 30  0000 C CNN
F 1 "PORT" H 1300 2800 30  0000 C CNN
F 2 "" H 1300 2800 60  0000 C CNN
F 3 "" H 1300 2800 60  0000 C CNN
	2    1300 2800
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 7 1 668C19DA
P 13450 2350
F 0 "U1" H 13500 2450 30  0000 C CNN
F 1 "PORT" H 13450 2350 30  0000 C CNN
F 2 "" H 13450 2350 60  0000 C CNN
F 3 "" H 13450 2350 60  0000 C CNN
	7    13450 2350
	-1   0    0    1   
$EndComp
$Comp
L PORT U1
U 3 1 668C1A79
P 2250 3500
F 0 "U1" H 2300 3600 30  0000 C CNN
F 1 "PORT" H 2250 3500 30  0000 C CNN
F 2 "" H 2250 3500 60  0000 C CNN
F 3 "" H 2250 3500 60  0000 C CNN
	3    2250 3500
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 8 1 668C1BB1
P 8100 1400
F 0 "U1" H 8150 1500 30  0000 C CNN
F 1 "PORT" H 8100 1400 30  0000 C CNN
F 2 "" H 8100 1400 60  0000 C CNN
F 3 "" H 8100 1400 60  0000 C CNN
	8    8100 1400
	0    1    1    0   
$EndComp
$Comp
L PORT U1
U 6 1 668C1D8E
P 14200 4850
F 0 "U1" H 14250 4950 30  0000 C CNN
F 1 "PORT" H 14200 4850 30  0000 C CNN
F 2 "" H 14200 4850 60  0000 C CNN
F 3 "" H 14200 4850 60  0000 C CNN
	6    14200 4850
	-1   0    0    1   
$EndComp
$Comp
L PORT U1
U 5 1 668C1E19
P 2250 4750
F 0 "U1" H 2300 4850 30  0000 C CNN
F 1 "PORT" H 2250 4750 30  0000 C CNN
F 2 "" H 2250 4750 60  0000 C CNN
F 3 "" H 2250 4750 60  0000 C CNN
	5    2250 4750
	1    0    0    -1  
$EndComp
Wire Wire Line
	8100 3750 8100 1650
Wire Wire Line
	13600 7300 13600 7200
$EndSCHEMATC