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EESchema Schematic File Version 4
LIBS:megaduino-cache
EELAYER 26 0
EELAYER END
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F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 9530 5150 50 0001 C CNN
F 3 "" H 9600 5150 50 0001 C CNN
1 9600 5150
1 0 0 -1
$EndComp
$Comp
L Device:R R16
U 1 1 5BBD240B
P 9600 5550
F 0 "R16" V 9680 5550 50 0000 C CNN
F 1 "91k" V 9600 5550 50 0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 9530 5550 50 0001 C CNN
F 3 "" H 9600 5550 50 0001 C CNN
1 9600 5550
1 0 0 -1
$EndComp
$Comp
L Device:R R17
U 1 1 5BBD2CC1
P 8050 5150
F 0 "R17" V 8130 5150 50 0000 C CNN
F 1 "49k" V 8050 5150 50 0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 7980 5150 50 0001 C CNN
F 3 "" H 8050 5150 50 0001 C CNN
1 8050 5150
1 0 0 -1
$EndComp
$Comp
L Device:R R18
U 1 1 5BBD2D35
P 8050 5550
F 0 "R18" V 8130 5550 50 0000 C CNN
F 1 "91k" V 8050 5550 50 0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 7980 5550 50 0001 C CNN
F 3 "" H 8050 5550 50 0001 C CNN
1 8050 5550
1 0 0 -1
$EndComp
$Comp
L Device:R R20
U 1 1 5BBD2DA4
P 10400 5550
F 0 "R20" V 10480 5550 50 0000 C CNN
F 1 "91k" V 10400 5550 50 0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 10330 5550 50 0001 C CNN
F 3 "" H 10400 5550 50 0001 C CNN
1 10400 5550
1 0 0 -1
$EndComp
$Comp
L Device:R R19
U 1 1 5BBD2E20
P 10400 5150
F 0 "R19" V 10480 5150 50 0000 C CNN
F 1 "49k" V 10400 5150 50 0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 10330 5150 50 0001 C CNN
F 3 "" H 10400 5150 50 0001 C CNN
1 10400 5150
1 0 0 -1
$EndComp
$Comp
L power:+3.3V #PWR014
U 1 1 5BBD7F2F
P 4300 5050
F 0 "#PWR014" H 4300 4900 50 0001 C CNN
F 1 "+3.3V" H 4300 5190 50 0000 C CNN
F 2 "" H 4300 5050 50 0001 C CNN
F 3 "" H 4300 5050 50 0001 C CNN
1 4300 5050
1 0 0 -1
$EndComp
Text GLabel 5650 4950 0 60 Input ~ 0
AD0
Text GLabel 6450 4950 0 60 Input ~ 0
AD1
Text GLabel 4850 4950 0 60 Input ~ 0
AD2
Text GLabel 7250 4950 0 60 Input ~ 0
AD3
Text GLabel 8750 4950 0 60 Input ~ 0
AD4
Text GLabel 9550 4950 0 60 Input ~ 0
AD5
Text GLabel 10350 4950 0 60 Input ~ 0
AD6
Text GLabel 8000 4950 0 60 Input ~ 0
AD7
Text GLabel 6200 6000 2 60 Input ~ 0
A0
Text GLabel 5550 6000 2 60 Input ~ 0
A1
Text GLabel 7050 6000 2 60 Input ~ 0
A2
Text GLabel 7850 6000 2 60 Input ~ 0
A3
Text GLabel 9350 6000 2 60 Input ~ 0
A4
Text GLabel 10150 6000 2 60 Input ~ 0
A5
Text GLabel 10950 6000 2 60 Input ~ 0
A6
Text GLabel 8200 4050 0 60 Input ~ 0
A7
Connection ~ 5700 5350
Wire Wire Line
5700 5300 5700 5350
Wire Wire Line
5850 5350 5700 5350
Connection ~ 6500 5350
Wire Wire Line
6500 5300 6500 5350
Wire Wire Line
6650 5350 6500 5350
Connection ~ 7300 5350
Wire Wire Line
7300 5300 7300 5350
Wire Wire Line
7400 5350 7300 5350
Connection ~ 8050 5350
Wire Wire Line
8050 5300 8050 5350
Wire Wire Line
8150 5350 8050 5350
Connection ~ 8800 5350
Wire Wire Line
8800 5300 8800 5350
Wire Wire Line
8950 5350 8800 5350
Connection ~ 9600 5350
Wire Wire Line
9600 5300 9600 5350
Wire Wire Line
9750 5350 9600 5350
Connection ~ 10400 5350
Wire Wire Line
10400 5300 10400 5350
Wire Wire Line
10500 5350 10400 5350
Wire Wire Line
11100 5800 11100 5450
Wire Wire Line
10500 5800 10900 5800
Wire Wire Line
10500 5550 10500 5800
Wire Wire Line
10350 5800 10350 5450
Wire Wire Line
9750 5800 10100 5800
Wire Wire Line
9750 5550 9750 5800
Wire Wire Line
9550 5800 9550 5450
Wire Wire Line
8950 5800 9300 5800
Wire Wire Line
8950 5550 8950 5800
Wire Wire Line
8750 5800 8750 5450
Wire Wire Line
8150 5800 8500 5800
Wire Wire Line
8150 5550 8150 5800
Wire Wire Line
8000 5800 8000 5450
Wire Wire Line
7400 5800 7800 5800
Wire Wire Line
7400 5550 7400 5800
Wire Wire Line
7250 5800 7250 5450
Wire Wire Line
6650 5800 7000 5800
Wire Wire Line
6650 5550 6650 5800
Wire Wire Line
6450 5800 6450 5450
Wire Wire Line
5850 5800 6150 5800
Wire Wire Line
5850 5550 5850 5800
Wire Wire Line
5650 5800 5650 5450
Wire Wire Line
5050 5800 5500 5800
Wire Wire Line
5050 5550 5050 5800
Connection ~ 4900 5350
Wire Wire Line
4900 5300 4900 5350
Wire Wire Line
5050 5350 4900 5350
Wire Wire Line
10400 3950 10300 3950
Wire Wire Line
1200 5850 1200 5800
Wire Wire Line
8300 4050 8200 4050
Wire Wire Line
10300 4050 10700 4050
Wire Wire Line
10900 3850 10950 3850
Wire Wire Line
10900 3900 10900 3850
Wire Wire Line
10550 3900 10900 3900
Wire Wire Line
10550 3850 10550 3900
Wire Wire Line
10300 3850 10550 3850
Wire Wire Line
10500 3150 10300 3150
Wire Wire Line
10400 3250 10300 3250
Wire Wire Line
10850 3850 10850 3750
Wire Wire Line
10600 3850 10850 3850
Wire Wire Line
10600 3750 10600 3850
Wire Wire Line
10300 3750 10600 3750
Wire Wire Line
10750 3650 10750 3700
Wire Wire Line
10300 3650 10750 3650
Wire Wire Line
2500 5150 3200 5150
Wire Wire Line
7450 3850 8300 3850
Wire Wire Line
8300 3750 8000 3750
Wire Wire Line
8300 3650 8200 3650
Wire Wire Line
8300 3550 8000 3550
Wire Wire Line
8300 3450 8200 3450
Wire Wire Line
8300 3250 8200 3250
Wire Wire Line
7800 3050 7800 3100
Wire Wire Line
8300 3050 7800 3050
Wire Wire Line
8300 2750 8200 2750
Wire Wire Line
8300 2650 8000 2650
Wire Wire Line
8300 2550 8200 2550
Wire Wire Line
8300 2450 8000 2450
Wire Wire Line
8300 2350 8200 2350
Wire Wire Line
8300 2250 8000 2250
Wire Wire Line
8300 2150 8200 2150
Wire Wire Line
8300 2050 8000 2050
Wire Wire Line
8300 1750 8200 1750
Wire Wire Line
8300 1450 7750 1450
Wire Wire Line
1700 6350 1700 6300
Wire Wire Line
1800 6350 1700 6350
Wire Wire Line
1800 6250 1800 6350
Wire Wire Line
1500 6150 1500 6200
Wire Wire Line
1550 4450 1550 4500
Wire Wire Line
2850 6050 2500 6050
Wire Wire Line
2600 5950 2500 5950
Wire Wire Line
2850 5850 2500 5850
Wire Wire Line
2600 5750 2500 5750
Wire Wire Line
2850 5650 2500 5650
Wire Wire Line
2600 5550 2500 5550
Wire Wire Line
2850 5450 2500 5450
Wire Wire Line
2600 5350 2500 5350
Wire Wire Line
2850 5050 2500 5050
Wire Wire Line
2600 4950 2500 4950
Wire Wire Line
2850 4850 2500 4850
Wire Wire Line
2600 4750 2500 4750
Wire Wire Line
2850 4650 2500 4650
Wire Wire Line
2600 4550 2500 4550
Wire Wire Line
1800 6250 2000 6250
Wire Wire Line
1500 6150 2000 6150
Wire Wire Line
2000 6050 1900 6050
Wire Wire Line
2000 5950 1600 5950
Wire Wire Line
1200 5850 2000 5850
Wire Wire Line
2000 5750 1600 5750
Wire Wire Line
2000 5650 1900 5650
Wire Wire Line
2000 5550 1600 5550
Wire Wire Line
2000 5450 1900 5450
Wire Wire Line
2000 5350 1600 5350
Wire Wire Line
2000 5250 1900 5250
Wire Wire Line
2000 5150 1600 5150
Wire Wire Line
1550 4450 2000 4450
Wire Wire Line
2000 4850 1900 4850
Wire Wire Line
5700 5900 5700 5700
Wire Wire Line
6500 5700 6500 5900
Connection ~ 6500 5900
Wire Wire Line
7300 5900 7300 5700
Connection ~ 7300 5900
Wire Wire Line
8050 5900 8050 5700
Connection ~ 8050 5900
Wire Wire Line
9600 5900 9600 5700
Connection ~ 9600 5900
Wire Wire Line
10400 5900 10400 5700
Wire Wire Line
4900 5700 4900 5900
Connection ~ 5700 5900
Wire Wire Line
10400 5000 10400 4950
Wire Wire Line
10400 4950 10350 4950
Wire Wire Line
9600 5000 9600 4950
Wire Wire Line
9600 4950 9550 4950
Wire Wire Line
8750 4950 8800 4950
Wire Wire Line
8800 4950 8800 5000
Wire Wire Line
8000 4950 8050 4950
Wire Wire Line
8050 4950 8050 5000
Wire Wire Line
7250 4950 7300 4950
Wire Wire Line
7300 4950 7300 5000
Wire Wire Line
6450 4950 6500 4950
Wire Wire Line
6500 4950 6500 5000
Wire Wire Line
5650 4950 5700 4950
Wire Wire Line
5700 4950 5700 5000
Wire Wire Line
4850 4950 4900 4950
Wire Wire Line
4900 4950 4900 5000
Wire Wire Line
10950 6000 10900 6000
Wire Wire Line
10900 6000 10900 5800
Connection ~ 10900 5800
Wire Wire Line
10150 6000 10100 6000
Wire Wire Line
10100 6000 10100 5800
Connection ~ 10100 5800
Wire Wire Line
9350 6000 9300 6000
Wire Wire Line
9300 6000 9300 5800
Connection ~ 9300 5800
Wire Wire Line
8550 6000 8500 6000
Wire Wire Line
8500 6000 8500 5800
Connection ~ 8500 5800
Wire Wire Line
7850 6000 7800 6000
Wire Wire Line
7800 6000 7800 5800
Connection ~ 7800 5800
Wire Wire Line
7050 6000 7000 6000
Wire Wire Line
7000 6000 7000 5800
Connection ~ 7000 5800
Wire Wire Line
6200 6000 6150 6000
Wire Wire Line
6150 6000 6150 5800
Connection ~ 6150 5800
Wire Wire Line
5550 6000 5500 6000
Wire Wire Line
5500 6000 5500 5800
Connection ~ 5500 5800
Wire Wire Line
8800 5700 8800 5900
Connection ~ 8800 5900
Wire Wire Line
3200 5150 3200 4850
Wire Wire Line
3450 4850 3450 4900
$Comp
L Memory_EEPROM:AT24CS02-XHM U5
U 1 1 5BE3283B
P 6550 3900
F 0 "U5" H 6350 4150 50 0000 C CNN
F 1 "AT24CS02-XHM" H 6850 3600 50 0000 C CNN
F 2 "Package_SO:SOIC-8_3.9x4.9mm_P1.27mm" H 6550 3900 50 0001 C CIN
F 3 "" H 6550 3900 50 0001 C CNN
1 6550 3900
1 0 0 -1
$EndComp
$Comp
L power:Earth #PWR022
U 1 1 5BE32A8F
P 6550 4300
F 0 "#PWR022" H 6550 4050 50 0001 C CNN
F 1 "Earth" H 6550 4150 50 0001 C CNN
F 2 "" H 6550 4300 50 0001 C CNN
F 3 "" H 6550 4300 50 0001 C CNN
1 6550 4300
1 0 0 -1
$EndComp
Wire Wire Line
7450 3800 6950 3800
Wire Wire Line
7450 3850 7450 3800
$Comp
L power:+3.3V #PWR0101
U 1 1 5BE44357
P 6550 3550
F 0 "#PWR0101" H 6550 3400 50 0001 C CNN
F 1 "+3.3V" H 6550 3690 50 0000 C CNN
F 2 "" H 6550 3550 50 0001 C CNN
F 3 "" H 6550 3550 50 0001 C CNN
1 6550 3550
1 0 0 -1
$EndComp
Wire Wire Line
5700 5350 5700 5400
Wire Wire Line
6500 5350 6500 5400
Wire Wire Line
7300 5350 7300 5400
Wire Wire Line
8050 5350 8050 5400
Wire Wire Line
8800 5350 8800 5400
Wire Wire Line
9600 5350 9600 5400
Wire Wire Line
10400 5350 10400 5400
Wire Wire Line
4900 5350 4900 5400
Wire Wire Line
6500 5900 6500 6000
Wire Wire Line
10900 5800 11100 5800
Wire Wire Line
10100 5800 10350 5800
Wire Wire Line
9300 5800 9550 5800
Wire Wire Line
8500 5800 8750 5800
Wire Wire Line
7800 5800 8000 5800
Wire Wire Line
7000 5800 7250 5800
Wire Wire Line
6150 5800 6450 5800
Wire Wire Line
5500 5800 5650 5800
Wire Wire Line
6950 3900 7350 3900
Wire Wire Line
6550 4200 6550 4250
Wire Wire Line
6550 4250 6950 4250
Wire Wire Line
6950 4250 6950 4000
Connection ~ 6550 4250
Wire Wire Line
6550 4250 6550 4300
Wire Wire Line
6550 3600 6550 3550
$Comp
L Amplifier_Operational:LMV324 U1
U 5 1 5C07D849
P 4300 5450
F 0 "U1" H 4300 5650 50 0000 L CNN
F 1 "LMV324" H 4300 5250 50 0000 L CNN
F 2 "Package_SO:SOIC-14_3.9x8.7mm_P1.27mm" H 4250 5550 50 0001 C CNN
F 3 "" H 4350 5650 50 0001 C CNN
5 4300 5450
1 0 0 -1
$EndComp
$Comp
L Amplifier_Operational:LMV324 U3
U 5 1 5C07D98F
P 4500 5450
F 0 "U3" H 4500 5650 50 0000 L CNN
F 1 "LMV324" H 4500 5250 50 0000 L CNN
F 2 "Package_SO:SOIC-14_3.9x8.7mm_P1.27mm" H 4450 5550 50 0001 C CNN
F 3 "" H 4550 5650 50 0001 C CNN
5 4500 5450
1 0 0 -1
$EndComp
Wire Wire Line
4400 5150 4400 5100
Wire Wire Line
4400 5100 4300 5100
Wire Wire Line
4200 5100 4200 5150
Wire Wire Line
4300 5100 4300 5050
Connection ~ 4300 5100
Wire Wire Line
4300 5100 4200 5100
Wire Wire Line
4200 5750 4200 5900
Wire Wire Line
4200 5900 4400 5900
Wire Wire Line
4400 5900 4400 5750
Wire Wire Line
4400 5900 4900 5900
Connection ~ 4400 5900
Connection ~ 4900 5900