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AlkalinityTitrator.sch
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AlkalinityTitrator.sch
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EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title "WWU Alkalinity Titrator"
Date "2021-03-07"
Rev "3.0"
Comp "Open Ocean Project"
Comment1 ""
Comment2 ""
Comment3 "Noah Griffith"
Comment4 "Konrad McClure"
$EndDescr
Wire Wire Line
4850 2375 4950 2375
Wire Wire Line
4150 2475 4000 2475
Wire Wire Line
4000 2475 4000 2775
Wire Wire Line
4150 2775 4000 2775
Connection ~ 4000 2775
Wire Wire Line
4000 2775 4000 2875
$Comp
L power:GND #PWR03
U 1 1 5F109E1D
P 4000 2875
F 0 "#PWR03" H 4000 2625 50 0001 C CNN
F 1 "GND" H 4005 2702 50 0000 C CNN
F 2 "" H 4000 2875 50 0001 C CNN
F 3 "" H 4000 2875 50 0001 C CNN
1 4000 2875
-1 0 0 -1
$EndComp
Wire Wire Line
4150 2575 3900 2575
Wire Wire Line
4150 2675 3900 2675
Text Label 3900 2575 2 50 ~ 0
SCL
Text Label 3900 2675 2 50 ~ 0
SDA
$Comp
L power:+3V3 #PWR07
U 1 1 5F10DA7E
P 6100 4850
F 0 "#PWR07" H 6100 4700 50 0001 C CNN
F 1 "+3V3" H 6115 5023 50 0000 C CNN
F 2 "" H 6100 4850 50 0001 C CNN
F 3 "" H 6100 4850 50 0001 C CNN
1 6100 4850
1 0 0 -1
$EndComp
$Comp
L power:+3V3 #PWR01
U 1 1 5F10DFD6
P 1900 2200
F 0 "#PWR01" H 1900 2050 50 0001 C CNN
F 1 "+3V3" H 1925 2375 50 0000 C CNN
F 2 "" H 1900 2200 50 0001 C CNN
F 3 "" H 1900 2200 50 0001 C CNN
1 1900 2200
1 0 0 -1
$EndComp
Wire Wire Line
6100 4850 6250 4850
$Comp
L power:PWR_FLAG #FLG01
U 1 1 5F1116DC
P 2000 2300
F 0 "#FLG01" H 2000 2375 50 0001 C CNN
F 1 "PWR_FLAG" V 2075 2350 50 0000 L CNN
F 2 "" H 2000 2300 50 0001 C CNN
F 3 "~" H 2000 2300 50 0001 C CNN
1 2000 2300
1 0 0 -1
$EndComp
Connection ~ 1900 2300
Wire Wire Line
1900 2300 1900 2200
$Comp
L power:+3V3 #PWR06
U 1 1 5F1150D9
P 4600 4850
F 0 "#PWR06" H 4600 4700 50 0001 C CNN
F 1 "+3V3" H 4615 5023 50 0000 C CNN
F 2 "" H 4600 4850 50 0001 C CNN
F 3 "" H 4600 4850 50 0001 C CNN
1 4600 4850
1 0 0 -1
$EndComp
Wire Wire Line
4600 4850 4750 4850
Wire Wire Line
2600 3100 2700 3100
Wire Wire Line
2600 3200 2700 3200
Wire Wire Line
2600 3900 2700 3900
Wire Wire Line
2600 3800 2700 3800
Wire Wire Line
2600 4000 2700 4000
Wire Wire Line
2700 4100 2600 4100
Wire Wire Line
2700 4200 2600 4200
Text Label 2700 3100 0 50 ~ 0
SDA
Text Label 2700 3200 0 50 ~ 0
SCL
Text Label 2600 3400 0 50 ~ 0
CS1
Text Label 2600 2800 0 50 ~ 0
CS0
Text Label 2700 4000 0 50 ~ 0
MISO
Text Label 2700 4100 0 50 ~ 0
MOSI
Text Label 2700 4200 0 50 ~ 0
SCLK
NoConn ~ 4750 5050
NoConn ~ 6250 5050
NoConn ~ 6950 5150
NoConn ~ 5450 5150
$Comp
L power:GND #PWR04
U 1 1 5F12F9CC
P 4350 5000
F 0 "#PWR04" H 4350 4750 50 0001 C CNN
F 1 "GND" H 4355 4827 50 0000 C CNN
F 2 "" H 4350 5000 50 0001 C CNN
F 3 "" H 4350 5000 50 0001 C CNN
1 4350 5000
-1 0 0 -1
$EndComp
$Comp
L power:GND #PWR05
U 1 1 5F130D30
P 5850 5000
F 0 "#PWR05" H 5850 4750 50 0001 C CNN
F 1 "GND" H 5855 4827 50 0000 C CNN
F 2 "" H 5850 5000 50 0001 C CNN
F 3 "" H 5850 5000 50 0001 C CNN
1 5850 5000
-1 0 0 -1
$EndComp
Wire Wire Line
4700 5150 4750 5150
Wire Wire Line
6200 5150 6250 5150
Text Label 4700 5150 2 50 ~ 0
SCLK
Text Label 6200 5150 2 50 ~ 0
SCLK
Wire Wire Line
5850 5000 5850 4950
Wire Wire Line
5850 4950 6250 4950
Wire Wire Line
4350 4950 4350 5000
Wire Wire Line
4350 4950 4750 4950
Wire Wire Line
5500 4850 5450 4850
Wire Wire Line
5500 4950 5450 4950
Wire Wire Line
5500 5050 5450 5050
Wire Wire Line
7000 4850 6950 4850
Wire Wire Line
7000 4950 6950 4950
Wire Wire Line
7000 5050 6950 5050
Text Label 5500 4950 0 50 ~ 0
MOSI
Text Label 5500 4850 0 50 ~ 0
MISO
Text Label 5500 5050 0 50 ~ 0
CS0
Text Label 7000 5050 0 50 ~ 0
CS1
Text Label 7000 4950 0 50 ~ 0
MOSI
Text Label 7000 4850 0 50 ~ 0
MISO
Wire Wire Line
2225 6425 2175 6425
Wire Wire Line
2175 6425 2175 6325
Wire Wire Line
2175 6325 2225 6325
Wire Wire Line
1825 6025 1825 6125
Connection ~ 1825 6125
Wire Wire Line
1825 6125 1825 6225
Text Label 2600 4500 0 50 ~ 0
PWM
$Comp
L titrator:A4988_BO U2
U 1 1 5F10FF6D
P 2575 5875
F 0 "U2" H 2575 6050 50 0000 C CNN
F 1 "A4988_BO" H 2575 5959 50 0000 C CNN
F 2 "Titrator_Footprints:A4988_BO_Footprint" H 2575 5875 50 0001 C CNN
F 3 "https://www.pololu.com/file/0J450/A4988.pdf" H 2575 5875 50 0001 C CNN
1 2575 5875
1 0 0 -1
$EndComp
$Comp
L titrator:ADS1115_BO U1
U 1 1 5F110E3D
P 4500 2725
F 0 "U1" H 4500 3300 50 0000 C CNN
F 1 "ADS1115_BO" H 4500 3209 50 0000 C CNN
F 2 "Titrator_Footprints:ADS1115_BO_Footprint" H 4500 2725 50 0001 C CNN
F 3 "https://cdn-shop.adafruit.com/datasheets/ads1115.pdf" H 4500 2725 50 0001 C CNN
1 4500 2725
1 0 0 -1
$EndComp
$Comp
L titrator:MAX31865_FullBO U4
U 1 1 5F114422
P 6600 5000
F 0 "U4" H 6600 5375 50 0000 C CNN
F 1 "MAX31865_BO" H 6600 5284 50 0000 C CNN
F 2 "Titrator_Footprints:MAX31865" H 6600 5000 50 0001 C CNN
F 3 "https://datasheets.maximintegrated.com/en/ds/MAX31865.pdf" H 6600 5000 50 0001 C CNN
1 6600 5000
1 0 0 -1
$EndComp
Wire Wire Line
2975 6525 2925 6525
Wire Wire Line
2975 6625 2925 6625
Text Label 10625 4050 2 50 ~ 0
Arduino_VDD
Text Label 10525 6250 2 50 ~ 0
Arduino_GND
Text Label 2975 6525 0 50 ~ 0
Arduino_VDD
Text Label 2975 6625 0 50 ~ 0
Arduino_GND
Text Label 10025 5050 2 50 ~ 0
DIR
Text Label 10025 5150 2 50 ~ 0
STEP
Wire Wire Line
2175 5925 2225 5925
Wire Wire Line
2175 6625 2225 6625
Wire Wire Line
2175 6525 2225 6525
Text Label 2175 6625 2 50 ~ 0
DIR
Text Label 2175 6525 2 50 ~ 0
STEP
Wire Wire Line
1825 6125 2225 6125
Wire Wire Line
1825 6025 2225 6025
Wire Wire Line
1825 6225 2225 6225
$Comp
L titrator:Screw_Terminal_01x04_titrator J4
U 1 1 5F1C81E1
P 3675 6325
F 0 "J4" H 3625 6550 50 0000 L CNN
F 1 "Screw_Terminal_01x04_titrator" H 3575 6625 50 0000 L CNN
F 2 "Titrator_Footprints:TerminalBlock_bornier-4_P5.08mm" H 3675 6325 50 0001 C CNN
F 3 "~" H 3675 6325 50 0001 C CNN
1 3675 6325
1 0 0 1
$EndComp
Wire Wire Line
2925 6425 3475 6425
Wire Wire Line
3475 6325 2925 6325
Wire Wire Line
2925 6225 3475 6225
Wire Wire Line
3475 6125 2925 6125
Text Label 1825 6125 2 50 ~ 0
Arduino_GND
Text Label 2975 5925 0 50 ~ 0
PSU_12V
Wire Wire Line
2925 5925 2975 5925
Wire Wire Line
2925 6025 2975 6025
NoConn ~ 1000 2800
NoConn ~ 1000 2900
Wire Wire Line
1900 2300 2000 2300
Wire Wire Line
2000 2300 2000 2400
Wire Wire Line
1900 2400 1900 2300
Wire Wire Line
1400 5000 1400 5100
NoConn ~ 2700 3800
Text Label 8150 5525 2 50 ~ 0
PWM
Text Notes 2325 5650 0 49 ~ 0
Stepper Driver
Text Notes 750 6650 0 49 ~ 0
Sleep is pulled high on \nbreakout (active low),\nconnecting Reset (active low)\nto sleep will make\nboth pins unused
Wire Notes Line
1900 6375 1900 6675
Wire Notes Line
1900 6675 700 6675
Wire Notes Line
700 6225 1725 6225
Wire Notes Line
1725 6225 1725 6375
Wire Notes Line
1725 6375 2125 6375
Text Notes 8225 4900 0 50 ~ 0
Need vigorous stirring\nfor 10min once the pH \nhits 3.5, then goes back \nto a relaxed speed
NoConn ~ 4850 2675
NoConn ~ 4850 2775
Text Notes 2250 5550 0 50 ~ 0
KEEP AWAY FROM\nANALOG STUFF
Wire Notes Line
700 6200 700 6675
Text Notes 3600 3350 0 50 ~ 0
Gain 8: FS=+/-0.512V -> LSB = 15.625 μV\nGain 16: FS=+/-0.256V -> LSB = 7.812 μV
$Comp
L Connector_Generic:Conn_01x02 J14
U 1 1 60252644
P 9425 5425
F 0 "J14" H 9505 5417 50 0000 L CNN
F 1 "Conn_01x02" H 9505 5326 50 0000 L CNN
F 2 "Titrator_Footprints:PinHeader_1x02_P2.54mm_Horizontal" H 9425 5425 50 0001 C CNN
F 3 "~" H 9425 5425 50 0001 C CNN
1 9425 5425
1 0 0 -1
$EndComp
$Comp
L power:+5V #PWR02
U 1 1 60247737
P 4000 2350
F 0 "#PWR02" H 4000 2200 50 0001 C CNN
F 1 "+5V" H 4015 2523 50 0000 C CNN
F 2 "" H 4000 2350 50 0001 C CNN
F 3 "" H 4000 2350 50 0001 C CNN
1 4000 2350
1 0 0 -1
$EndComp
Wire Wire Line
4000 2350 4000 2375
Text Notes 6225 1650 0 50 ~ 0
Level-shifted Configuration\nReference electrode level shifted \nby 2.5V to allow for single-supply
Text Notes 9300 2525 0 50 ~ 0
MAKE THESE \nCONNECTIONS\nVERY SHORT \nON PCB
Wire Notes Line
9250 2175 9875 2175
Wire Notes Line
9875 2175 9875 2550
Wire Notes Line
9875 2550 9250 2550
$Comp
L titrator:BNC_Jack J6
U 1 1 5F174B05
P 9250 2700
F 0 "J6" H 9778 2603 60 0000 L CNN
F 1 "BNC_Jack" H 9778 2497 60 0000 L CNN
F 2 "Titrator_Footprints:BNC_Jack" H 9600 2250 60 0001 C CNN
F 3 "" H 9250 2700 60 0000 C CNN
1 9250 2700
1 0 0 -1
$EndComp
Text Notes 9250 2100 0 49 ~ 0
V(pH) = 59.2mV (pH - 7)\n pH 0 => +400mV\n pH 7 => 0 mV\n pH 14 => -400mV
Wire Wire Line
5725 2025 6325 2025
Wire Wire Line
5725 2475 5725 2025
$Comp
L Device:C C6
U 1 1 602CBA53
P 6475 2025
F 0 "C6" V 6727 2025 50 0000 C CNN
F 1 "1uF" V 6636 2025 50 0000 C CNN
F 2 "Capacitor_THT:C_Disc_D3.8mm_W2.6mm_P2.50mm" H 6513 1875 50 0001 C CNN
F 3 "~" H 6475 2025 50 0001 C CNN
1 6475 2025
0 -1 -1 0
$EndComp
Text Notes 7850 1900 0 50 ~ 0
V2(pH) = V(pH) + 2.5V
Wire Wire Line
8850 2275 8775 2275
Wire Wire Line
8175 2625 8775 2625
Wire Wire Line
8775 2625 8775 2475
Wire Wire Line
8175 2375 8175 2625
$Comp
L Amplifier_Operational:LMC6062 U6
U 1 1 605B2E06
P 8475 2375
F 0 "U6" H 8475 2742 50 0000 C CNN
F 1 "LMC662" H 8475 2651 50 0000 C CNN
F 2 "Package_DIP:DIP-8_W7.62mm" H 8475 2375 50 0001 C CNN
F 3 "https://www.ti.com/lit/ds/symlink/lmc662.pdf?ts=1612139527764&ref_url=https%253A%252F%252Fwww.google.com%252F" H 8475 2375 50 0001 C CNN
1 8475 2375
-1 0 0 -1
$EndComp
Connection ~ 5725 2475
$Comp
L Device:R R4
U 1 1 6028400B
P 6875 2375
F 0 "R4" H 6945 2421 50 0000 L CNN
F 1 "160k" H 6945 2330 50 0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 6805 2375 50 0001 C CNN
F 3 "~" H 6875 2375 50 0001 C CNN
1 6875 2375
0 -1 -1 0
$EndComp
$Comp
L Amplifier_Operational:LMC6062 U7
U 1 1 60275B55
P 6025 2475
F 0 "U7" H 6025 2842 50 0000 C CNN
F 1 "LMC662" H 6025 2751 50 0000 C CNN
F 2 "Package_DIP:DIP-8_W7.62mm" H 6025 2475 50 0001 C CNN
F 3 "https://www.ti.com/lit/ds/symlink/lmc662.pdf?ts=1612139527764&ref_url=https%253A%252F%252Fwww.google.com%252F" H 6025 2475 50 0001 C CNN
1 6025 2475
-1 0 0 -1
$EndComp
Wire Wire Line
5100 1475 5450 1475
Connection ~ 5100 1475
Wire Wire Line
5100 1475 5100 1575
Wire Wire Line
4725 1050 4725 1475
Wire Wire Line
4725 1475 5100 1475
Wire Wire Line
4725 1050 4800 1050
Wire Wire Line
8850 2275 8850 2700
NoConn ~ 9250 3000
NoConn ~ 9250 2900
Wire Wire Line
8850 2700 9250 2700
Wire Wire Line
9000 2800 9250 2800
Wire Notes Line
9250 2550 9250 2175
Text Notes 9075 3450 3 50 ~ 0
Ref. \nElectrode
Wire Wire Line
8400 4175 9000 4175
Wire Wire Line
8125 3725 8400 3725
Wire Wire Line
5450 1050 5400 1050
Wire Wire Line
5450 1050 5450 1175
$Comp
L Device:C C2
U 1 1 607325B3
P 5450 1325
F 0 "C2" V 5702 1325 50 0000 C CNN
F 1 "0.1uF" V 5611 1325 50 0000 C CNN
F 2 "Capacitor_THT:C_Disc_D3.8mm_W2.6mm_P2.50mm" H 5488 1175 50 0001 C CNN
F 3 "~" H 5450 1325 50 0001 C CNN
1 5450 1325
1 0 0 -1
$EndComp
Connection ~ 9000 3825
Wire Wire Line
8125 3725 8125 3800
Connection ~ 8125 3725
Wire Wire Line
8125 3650 8125 3725
Wire Wire Line
8400 3925 8400 4175
$Comp
L Device:R R2
U 1 1 605CB6A6
P 8125 3950
F 0 "R2" H 8195 3996 50 0000 L CNN
F 1 "10k" H 8195 3905 50 0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 8055 3950 50 0001 C CNN
F 3 "~" H 8125 3950 50 0001 C CNN
1 8125 3950
1 0 0 -1
$EndComp
$Comp
L Device:R R1
U 1 1 605C9D90
P 8125 3500
F 0 "R1" H 8195 3546 50 0000 L CNN
F 1 "10k" H 8195 3455 50 0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 8055 3500 50 0001 C CNN
F 3 "~" H 8125 3500 50 0001 C CNN
1 8125 3500
1 0 0 -1
$EndComp
$Comp
L Amplifier_Operational:LMC6062 U6
U 3 1 605BB0C0
P 5100 1150
F 0 "U6" V 4925 1075 50 0000 L CNN
F 1 "LMC662" V 5075 1000 50 0000 L CNN
F 2 "Package_DIP:DIP-8_W7.62mm" H 5100 1150 50 0001 C CNN
F 3 "https://www.ti.com/lit/ds/symlink/lmc662.pdf?ts=1612139527764&ref_url=https%253A%252F%252Fwww.google.com%252F" H 5100 1150 50 0001 C CNN
3 5100 1150
0 1 1 0
$EndComp
$Comp
L Amplifier_Operational:LMC6062 U6
U 2 1 605B58E4
P 8700 3825
F 0 "U6" H 8700 4192 50 0000 C CNN
F 1 "LMC662" H 8700 4101 50 0000 C CNN
F 2 "Package_DIP:DIP-8_W7.62mm" H 8700 3825 50 0001 C CNN
F 3 "https://www.ti.com/lit/ds/symlink/lmc662.pdf?ts=1612139527764&ref_url=https%253A%252F%252Fwww.google.com%252F" H 8700 3825 50 0001 C CNN
2 8700 3825
1 0 0 -1
$EndComp
Text Notes 8900 2650 0 50 ~ 0
V(pH)
Text Notes 8725 1675 0 50 ~ 0
New Circuit
Wire Notes Line
5450 4300 9175 4300
Wire Notes Line
5450 1700 9175 1700
Wire Wire Line
9000 2800 9000 3825
Wire Wire Line
5725 2775 6325 2775
$Comp
L Device:C C7
U 1 1 6028BAE0
P 6550 2625
F 0 "C7" V 6802 2625 50 0000 C CNN
F 1 "1uF" V 6711 2625 50 0000 C CNN
F 2 "Capacitor_THT:C_Disc_D3.8mm_W2.6mm_P2.50mm" H 6588 2475 50 0001 C CNN
F 3 "~" H 6550 2625 50 0001 C CNN
1 6550 2625
1 0 0 -1
$EndComp
Wire Wire Line
7100 2375 7100 2025
Wire Wire Line
6625 2025 7100 2025
Wire Wire Line
7025 2375 7100 2375
Wire Notes Line
9175 1700 9175 3875
Wire Notes Line
5450 1700 5450 4300
Wire Notes Line
8050 1925 8050 2350
Wire Wire Line
6325 2375 6550 2375
Wire Wire Line
6550 2375 6550 2475
Connection ~ 6550 2375
Wire Wire Line
6550 2375 6725 2375
Wire Wire Line
6550 2775 6550 2900
Wire Wire Line
5725 2475 5725 2775
Wire Wire Line
6325 2575 6325 2775
Wire Wire Line
4850 2475 5725 2475
$Comp
L Amplifier_Operational:LMC6062 U7
U 3 1 603641B9
P 5075 800
F 0 "U7" V 4900 725 50 0000 L CNN
F 1 "LMC662" V 5050 650 50 0000 L CNN
F 2 "Package_DIP:DIP-8_W7.62mm" H 5075 800 50 0001 C CNN
F 3 "https://www.ti.com/lit/ds/symlink/lmc662.pdf?ts=1612139527764&ref_url=https%253A%252F%252Fwww.google.com%252F" H 5075 800 50 0001 C CNN
3 5075 800
0 1 1 0
$EndComp
Wire Wire Line
4775 700 4725 700
Wire Wire Line
4725 700 4725 1050
Connection ~ 4725 1050
Wire Wire Line
5375 700 5450 700
Wire Wire Line
5450 700 5450 1050
Connection ~ 5450 1050
$Comp
L Regulator_Linear:L7805 U8
U 1 1 603CB9D6
P 3750 1300
F 0 "U8" H 3750 1542 50 0000 C CNN
F 1 "L7805" H 3750 1451 50 0000 C CNN
F 2 "Titrator_Footprints:78XXS" H 3775 1150 50 0001 L CIN
F 3 "http://www.st.com/content/ccc/resource/technical/document/datasheet/41/4f/b3/b0/12/d4/47/88/CD00000444.pdf/files/CD00000444.pdf/jcr:content/translations/en.CD00000444.pdf" H 3750 1250 50 0001 C CNN
1 3750 1300
1 0 0 -1
$EndComp
Text Label 4350 1300 0 50 ~ 0
PSU_A5V
Text Label 3150 1300 2 50 ~ 0
PSU_12V
Wire Notes Line
9175 3900 9175 4300
$Comp
L MCU_Module:Arduino_Nano_v3.x A1
U 1 1 603D308C
P 10525 5150
F 0 "A1" H 10050 4375 50 0000 C CNN
F 1 "Arduino_Nano_v3.x" H 9725 4300 50 0000 C CNN
F 2 "Titrator_Footprints:Arduino_Nano" H 10525 5150 50 0001 C CIN
F 3 "http://www.mouser.com/pdfdocs/Gravitech_Arduino_Nano3_0.pdf" H 10525 5150 50 0001 C CNN
1 10525 5150
1 0 0 -1
$EndComp
Wire Wire Line
10525 6150 10525 6200
Wire Wire Line
10525 6200 10625 6200
Wire Wire Line
10625 6200 10625 6150
Connection ~ 10525 6200
Wire Wire Line
10525 6200 10525 6250
NoConn ~ 10025 4550
NoConn ~ 10025 4650
NoConn ~ 10025 4950
NoConn ~ 10025 5650
NoConn ~ 10025 5750
NoConn ~ 10025 5250
NoConn ~ 10025 5350
NoConn ~ 10025 5450
NoConn ~ 10025 5550
NoConn ~ 11025 4550
NoConn ~ 11025 4650
NoConn ~ 11025 4950
NoConn ~ 11025 5150
NoConn ~ 11025 5250
NoConn ~ 11025 5350
NoConn ~ 11025 5450
NoConn ~ 11025 5550
NoConn ~ 11025 5650
NoConn ~ 11025 5750
NoConn ~ 11025 5850
NoConn ~ 10725 4150
NoConn ~ 10425 4150
$Comp
L Device:C C4
U 1 1 60517C92
P 9725 4275
F 0 "C4" H 9840 4321 50 0000 L CNN
F 1 "0.1uF" H 9840 4230 50 0000 L CNN
F 2 "Capacitor_THT:C_Disc_D3.8mm_W2.6mm_P2.50mm" H 9763 4125 50 0001 C CNN
F 3 "~" H 9725 4275 50 0001 C CNN
1 9725 4275
1 0 0 -1
$EndComp
Wire Wire Line
10625 4150 10625 4050
Wire Wire Line
9725 4050 9725 4125
Text Label 9725 4425 3 50 ~ 0
Arduino_GND
$Comp
L Connector:Screw_Terminal_01x03 J8
U 1 1 60540EED
P 5950 7050
F 0 "J8" H 6030 7092 50 0000 L CNN
F 1 "Screw_Terminal_01x03" H 6030 7001 50 0000 L CNN
F 2 "Titrator_Footprints:TerminalBlock_bornier-3_P5.08mm" H 5950 7050 50 0001 C CNN
F 3 "~" H 5950 7050 50 0001 C CNN
1 5950 7050
1 0 0 -1
$EndComp
Text Label 5025 6950 2 50 ~ 0
PSU_5V
Text Label 5025 7050 2 50 ~ 0
PSU_12V
$Comp
L Device:C C1
U 1 1 60551DD7
P 5375 7300
F 0 "C1" H 5175 7350 50 0000 L CNN
F 1 "0.1uF" H 5050 7275 50 0000 L CNN
F 2 "Capacitor_THT:C_Disc_D3.8mm_W2.6mm_P2.50mm" H 5413 7150 50 0001 C CNN
F 3 "~" H 5375 7300 50 0001 C CNN
1 5375 7300
1 0 0 -1
$EndComp
$Comp
L Device:C C3
U 1 1 605526E4
P 5600 7300
F 0 "C3" H 5775 7325 50 0000 L CNN
F 1 "0.1uF" H 5775 7250 50 0000 L CNN
F 2 "Capacitor_THT:C_Disc_D3.8mm_W2.6mm_P2.50mm" H 5638 7150 50 0001 C CNN
F 3 "~" H 5600 7300 50 0001 C CNN
1 5600 7300
1 0 0 -1
$EndComp
Wire Wire Line
5025 7050 5600 7050
Wire Wire Line
5025 6950 5375 6950
Wire Wire Line
5375 6950 5375 7150
Connection ~ 5375 6950
Wire Wire Line
5375 6950 5750 6950
Wire Wire Line
5600 7050 5600 7150
Connection ~ 5600 7050
Wire Wire Line
5600 7050 5750 7050
Wire Wire Line
5025 7525 5175 7525
Wire Wire Line
5750 7525 5750 7150
Wire Wire Line
5375 7450 5375 7525
Connection ~ 5375 7525
Wire Wire Line
5375 7525 5600 7525
Wire Wire Line
5600 7450 5600 7525
Connection ~ 5600 7525
Wire Wire Line
5600 7525 5750 7525
$Comp
L power:PWR_FLAG #FLG03
U 1 1 605B2D2D
P 5175 7525
F 0 "#FLG03" H 5175 7600 50 0001 C CNN
F 1 "PWR_FLAG" H 5175 7475 50 0000 C CNN
F 2 "" H 5175 7525 50 0001 C CNN
F 3 "~" H 5175 7525 50 0001 C CNN
1 5175 7525
1 0 0 -1
$EndComp
Connection ~ 5175 7525
Wire Wire Line
5175 7525 5375 7525
Text Label 4950 2375 0 50 ~ 0
PSU_AGND
Text Label 5100 1575 0 50 ~ 0
PSU_AGND
Text Label 6550 2900 0 50 ~ 0
PSU_AGND
Text Label 10450 1625 3 50 ~ 0
PSU_AGND
$Comp
L Device:RF_Shield_Two_Pieces J5
U 1 1 5F1251A7
P 10450 1225
F 0 "J5" H 10400 1875 50 0000 L CNN
F 1 "RF_Shield_Two_Pieces" H 10050 1775 50 0000 L CNN
F 2 "Titrator_Footprints:SMS-205_LeaderTech_RFShield" H 10450 1125 50 0001 C CNN
F 3 "https://leadertechinc.com/product/40-series/" H 10450 1125 50 0001 C CNN
1 10450 1225
1 0 0 -1
$EndComp
Text Label 8125 4200 2 50 ~ 0
PSU_AGND
Text Label 3750 1725 3 50 ~ 0
PSU_GND
$Comp
L Connector_Generic:Conn_01x08 J3
U 1 1 605C6E35
P 4350 7225
F 0 "J3" H 4430 7217 50 0000 L CNN
F 1 "Conn_01x08" H 4430 7126 50 0000 L CNN
F 2 "Titrator_Footprints:PinHeader_1x08_P2.54mm_Horizontal" H 4350 7225 50 0001 C CNN
F 3 "~" H 4350 7225 50 0001 C CNN
1 4350 7225
1 0 0 -1
$EndComp
Text Label 4150 6925 2 50 ~ 0
KeyRow_1
Text Label 4150 7025 2 50 ~ 0
KeyRow_2
Text Label 4150 7125 2 50 ~ 0
KeyRow_3
Text Label 4150 7225 2 50 ~ 0
KeyRow_4
Text Label 4150 7325 2 50 ~ 0
KeyCol_1
Text Label 4150 7425 2 50 ~ 0
KeyCol_2
Text Label 4150 7525 2 50 ~ 0
KeyCol_3
Text Label 4150 7625 2 50 ~ 0
KeyCol_4
Text Label 1000 3100 2 50 ~ 0
KeyCol_1
NoConn ~ 2700 3900
Text Label 1000 4300 2 50 ~ 0
KeyCol_2
Text Label 1000 3600 2 50 ~ 0
KeyCol_3
Text Label 1000 3700 2 50 ~ 0
KeyCol_4
Text Label 2600 2900 0 50 ~ 0
KeyRow_1
Text Label 2600 3600 0 50 ~ 0
KeyRow_2
Text Label 2600 3500 0 50 ~ 0
KeyRow_3
Text Label 1000 3500 2 50 ~ 0
KeyRow_4
Text Notes 4025 6800 0 50 ~ 0
Keypad GPIO
Text Notes 900 7775 0 50 ~ 0
K
$Comp
L power:GND #PWR010
U 1 1 605FCEC6
P 675 7425
F 0 "#PWR010" H 675 7175 50 0001 C CNN
F 1 "GND" H 680 7252 50 0000 C CNN
F 2 "" H 675 7425 50 0001 C CNN
F 3 "" H 675 7425 50 0001 C CNN
1 675 7425
1 0 0 -1
$EndComp
$Comp
L Device:R_POT RV1
U 1 1 605F7ABE
P 3175 7325
F 0 "RV1" V 2968 7325 50 0000 C CNN
F 1 "R_POT" V 3059 7325 50 0000 C CNN
F 2 "Titrator_Footprints:Potentiometer_Piher_PT-6-V_Vertical" H 3175 7325 50 0001 C CNN
F 3 "~" H 3175 7325 50 0001 C CNN
1 3175 7325
0 1 1 0
$EndComp
Wire Wire Line
925 7425 925 7325
Wire Wire Line
925 7325 675 7325
Wire Wire Line
675 7325 675 7425
$Comp
L power:+3V3 #PWR011
U 1 1 606077D3
P 1025 7225
F 0 "#PWR011" H 1025 7075 50 0001 C CNN
F 1 "+3V3" H 1040 7398 50 0000 C CNN
F 2 "" H 1025 7225 50 0001 C CNN
F 3 "" H 1025 7225 50 0001 C CNN
1 1025 7225
1 0 0 -1
$EndComp
Wire Wire Line
1025 7425 1025 7225
Text Label 1125 7425 1 50 ~ 0
LCD_D7
Text Label 1225 7425 1 50 ~ 0
LCD_D6
Text Label 1325 7425 1 50 ~ 0
LCD_D5
Text Label 1425 7425 1 50 ~ 0
LCD_D4
Text Notes 2400 7775 0 50 ~ 0
E
Text Label 1925 7425 1 50 ~ 0
LCD_E
Text Label 2125 7425 1 50 ~ 0
LCD_RS
Text Label 2225 7425 1 50 ~ 0
LCD_OV
Text Label 1000 4200 2 50 ~ 0
LCD_D7
Text Label 1000 4100 2 50 ~ 0
LCD_D6
Text Label 1000 4000 2 50 ~ 0
LCD_D5
Text Label 1000 3300 2 50 ~ 0
LCD_D4
Text Label 1000 3900 2 50 ~ 0
LCD_E
Text Label 1000 4400 2 50 ~ 0
LCD_RS
Text Label 3175 7475 3 50 ~ 0
LCD_OV
$Comp
L power:+5V #PWR012
U 1 1 60623B85
P 1700 2200
F 0 "#PWR012" H 1700 2050 50 0001 C CNN
F 1 "+5V" H 1675 2375 50 0000 C CNN
F 2 "" H 1700 2200 50 0001 C CNN
F 3 "" H 1700 2200 50 0001 C CNN
1 1700 2200
1 0 0 -1
$EndComp
Wire Wire Line
1700 2400 1700 2300
Connection ~ 2000 2300
$Comp
L power:PWR_FLAG #FLG02
U 1 1 6062DDF9
P 1800 2300
F 0 "#FLG02" H 1800 2375 50 0001 C CNN
F 1 "PWR_FLAG" V 1800 2427 50 0000 L CNN
F 2 "" H 1800 2300 50 0001 C CNN
F 3 "~" H 1800 2300 50 0001 C CNN
1 1800 2300
1 0 0 -1
$EndComp
Connection ~ 1700 2300
Wire Wire Line
1700 2300 1700 2200
$Comp
L power:+5V #PWR013
U 1 1 6062E38D
P 2325 7275
F 0 "#PWR013" H 2325 7125 50 0001 C CNN
F 1 "+5V" H 2340 7448 50 0000 C CNN
F 2 "" H 2325 7275 50 0001 C CNN
F 3 "" H 2325 7275 50 0001 C CNN
1 2325 7275
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR014
U 1 1 606300B0
P 2625 7425
F 0 "#PWR014" H 2625 7175 50 0001 C CNN
F 1 "GND" H 2630 7252 50 0000 C CNN
F 2 "" H 2625 7425 50 0001 C CNN
F 3 "" H 2625 7425 50 0001 C CNN
1 2625 7425
1 0 0 -1
$EndComp
Wire Wire Line
2425 7425 2425 7325
Wire Wire Line
2425 7325 2625 7325
Wire Wire Line
2625 7325 2625 7425
Wire Wire Line
2325 7425 2325 7275
Wire Wire Line
2025 7425 2025 7025
Wire Wire Line
2025 7025 2625 7025
Wire Wire Line
2625 7025 2625 7325
Connection ~ 2625 7325
$Comp
L power:+5V #PWR015
U 1 1 60660F20
P 3400 7325
F 0 "#PWR015" H 3400 7175 50 0001 C CNN
F 1 "+5V" H 3415 7498 50 0000 C CNN
F 2 "" H 3400 7325 50 0001 C CNN
F 3 "" H 3400 7325 50 0001 C CNN
1 3400 7325
1 0 0 -1
$EndComp
Wire Wire Line
2625 7325 3025 7325
Wire Wire Line
3325 7325 3400 7325
Text Label 1600 2175 2 50 ~ 0
PSU_5V
Wire Wire Line
1600 2175 1600 2400
Wire Wire Line
1700 2300 1800 2300
Text Label 5025 7525 2 50 ~ 0
PSU_GND
$Comp
L power:PWR_FLAG #FLG0101
U 1 1 5F2D3010
P 1400 5100
F 0 "#FLG0101" H 1400 5175 50 0001 C CNN
F 1 "PWR_FLAG" V 1400 5227 50 0000 L CNN
F 2 "" H 1400 5100 50 0001 C CNN
F 3 "~" H 1400 5100 50 0001 C CNN
1 1400 5100
0 -1 -1 0
$EndComp
Connection ~ 1900 5100