SH-ESP32-engine-hat/tank_sender.sch

EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 4 6
Title "Engine Top Hat for SH-ESP32"
Date "2021-04-27"
Rev "0.1.0"
Comp "Hat Labs Ltd"
Comment1 "https://creativecommons.org/licenses/by-sa/4.0"
Comment2 "To view a copy of this license, visit "
Comment3 "This design is licensed under CC BY-SA 4.0."
Comment4 ""
$EndDescr
$Comp
L Amplifier_Operational:LMV324 U401
U 1 1 606CD82F
P 1600 1900
F 0 "U401" H 1600 1533 50  0000 C CNN
F 1 "LMV324" H 1600 1624 50  0000 C CNN
F 2 "Package_SO:SOIC-14_3.9x8.7mm_P1.27mm" H 1550 2000 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/lmv324.pdf" H 1650 2100 50  0001 C CNN
F 4 "C362275" H 1600 1900 50  0001 C CNN "LCSC"
	1    1600 1900
	1    0    0    1   
$EndComp
$Comp
L Amplifier_Operational:LMV324 U401
U 2 1 606CEC39
P 1600 4150
F 0 "U401" H 1600 4517 50  0000 C CNN
F 1 "LMV324" H 1600 4426 50  0000 C CNN
F 2 "Package_SO:SOIC-14_3.9x8.7mm_P1.27mm" H 1550 4250 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/lmv324.pdf" H 1650 4350 50  0001 C CNN
F 4 "C362275" H 1600 4150 50  0001 C CNN "LCSC"
	2    1600 4150
	1    0    0    1   
$EndComp
$Comp
L Amplifier_Operational:LMV324 U401
U 3 1 606CF9D4
P 5000 6550
F 0 "U401" H 5000 6917 50  0000 C CNN
F 1 "LMV324" H 5000 6826 50  0000 C CNN
F 2 "Package_SO:SOIC-14_3.9x8.7mm_P1.27mm" H 4950 6650 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/lmv324.pdf" H 5050 6750 50  0001 C CNN
F 4 "C362275" H 5000 6550 50  0001 C CNN "LCSC"
	3    5000 6550
	1    0    0    -1  
$EndComp
$Comp
L Amplifier_Operational:LMV324 U401
U 4 1 606D0CB1
P 6050 6550
F 0 "U401" H 6050 6917 50  0000 C CNN
F 1 "LMV324" H 6050 6826 50  0000 C CNN
F 2 "Package_SO:SOIC-14_3.9x8.7mm_P1.27mm" H 6000 6650 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/lmv324.pdf" H 6100 6750 50  0001 C CNN
F 4 "C362275" H 6050 6550 50  0001 C CNN "LCSC"
	4    6050 6550
	1    0    0    -1  
$EndComp
$Comp
L Amplifier_Operational:LMV324 U401
U 5 1 606D1D11
P 1650 6850
F 0 "U401" H 1608 6896 50  0000 L CNN
F 1 "LMV324" H 1608 6805 50  0000 L CNN
F 2 "Package_SO:SOIC-14_3.9x8.7mm_P1.27mm" H 1600 6950 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/lmv324.pdf" H 1700 7050 50  0001 C CNN
F 4 "C362275" H 1650 6850 50  0001 C CNN "LCSC"
	5    1650 6850
	1    0    0    -1  
$EndComp
$Comp
L Device:Q_PNP_BEC Q401
U 1 1 606D488B
P 2200 1900
F 0 "Q401" H 2390 1854 50  0000 L CNN
F 1 "S9015" H 2390 1945 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-323_SC-70" H 2400 2000 50  0001 C CNN
F 3 "~" H 2200 1900 50  0001 C CNN
F 4 "C106811" H 2200 1900 50  0001 C CNN "LCSC"
	1    2200 1900
	1    0    0    1   
$EndComp
Wire Wire Line
	1900 1900 2000 1900
Wire Wire Line
	2300 1700 2300 1550
Wire Wire Line
	2300 1550 2100 1550
Wire Wire Line
	1200 1550 1200 1800
Wire Wire Line
	1200 1800 1300 1800
$Comp
L Device:R R403
U 1 1 606F57F1
P 2300 1350
F 0 "R403" H 2370 1396 50  0000 L CNN
F 1 "30" H 2370 1305 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 2230 1350 50  0001 C CNN
F 3 "~" H 2300 1350 50  0001 C CNN
F 4 "C22985" H 2300 1350 50  0001 C CNN "LCSC"
	1    2300 1350
	1    0    0    -1  
$EndComp
$Comp
L Device:R R405
U 1 1 606F668E
P 3150 6500
F 0 "R405" H 3220 6546 50  0000 L CNN
F 1 "1k" H 3220 6455 50  0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 3080 6500 50  0001 C CNN
F 3 "~" H 3150 6500 50  0001 C CNN
F 4 "C11702" H 3150 6500 50  0001 C CNN "LCSC"
	1    3150 6500
	1    0    0    -1  
$EndComp
$Comp
L Device:R R406
U 1 1 606F7547
P 3150 7000
F 0 "R406" H 3220 7046 50  0000 L CNN
F 1 "10k" H 3220 6955 50  0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 3080 7000 50  0001 C CNN
F 3 "~" H 3150 7000 50  0001 C CNN
F 4 "C25744" H 3150 7000 50  0001 C CNN "LCSC"
	1    3150 7000
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0414
U 1 1 606F976D
P 3150 7200
F 0 "#PWR0414" H 3150 6950 50  0001 C CNN
F 1 "GND" H 3155 7027 50  0000 C CNN
F 2 "" H 3150 7200 50  0001 C CNN
F 3 "" H 3150 7200 50  0001 C CNN
	1    3150 7200
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR0413
U 1 1 606F9EBD
P 3150 6300
F 0 "#PWR0413" H 3150 6150 50  0001 C CNN
F 1 "+3V3" H 3165 6473 50  0000 C CNN
F 2 "" H 3150 6300 50  0001 C CNN
F 3 "" H 3150 6300 50  0001 C CNN
	1    3150 6300
	1    0    0    -1  
$EndComp
Wire Wire Line
	3150 6300 3150 6350
Wire Wire Line
	3150 6650 3150 6750
Wire Wire Line
	3150 7200 3150 7150
Wire Wire Line
	3150 6750 3450 6750
Connection ~ 3150 6750
Wire Wire Line
	3150 6750 3150 6850
Text Label 3450 6750 0    50   ~ 0
Vin
Text Label 1150 2000 2    50   ~ 0
Vin
Wire Wire Line
	1150 2000 1300 2000
$Comp
L power:+3V3 #PWR0404
U 1 1 606FD552
P 1550 6350
F 0 "#PWR0404" H 1550 6200 50  0001 C CNN
F 1 "+3V3" H 1565 6523 50  0000 C CNN
F 2 "" H 1550 6350 50  0001 C CNN
F 3 "" H 1550 6350 50  0001 C CNN
	1    1550 6350
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0405
U 1 1 606FDC5A
P 1550 7250
F 0 "#PWR0405" H 1550 7000 50  0001 C CNN
F 1 "GND" H 1555 7077 50  0000 C CNN
F 2 "" H 1550 7250 50  0001 C CNN
F 3 "" H 1550 7250 50  0001 C CNN
	1    1550 7250
	1    0    0    -1  
$EndComp
Wire Wire Line
	1550 7250 1550 7150
Wire Wire Line
	1550 6550 1550 6500
$Comp
L Device:C C403
U 1 1 60700404
P 1300 6700
F 0 "C403" H 1415 6746 50  0000 L CNN
F 1 "100nF" H 1415 6655 50  0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 1338 6550 50  0001 C CNN
F 3 "~" H 1300 6700 50  0001 C CNN
F 4 "C1525" H 1300 6700 50  0001 C CNN "LCSC"
	1    1300 6700
	-1   0    0    -1  
$EndComp
Wire Wire Line
	1300 6550 1300 6500
Wire Wire Line
	1300 6500 1550 6500
Connection ~ 1550 6500
Wire Wire Line
	1550 6500 1550 6350
$Comp
L power:GND #PWR0403
U 1 1 60700E57
P 1300 6900
F 0 "#PWR0403" H 1300 6650 50  0001 C CNN
F 1 "GND" H 1305 6727 50  0000 C CNN
F 2 "" H 1300 6900 50  0001 C CNN
F 3 "" H 1300 6900 50  0001 C CNN
	1    1300 6900
	1    0    0    -1  
$EndComp
Wire Wire Line
	1300 6900 1300 6850
Wire Wire Line
	2300 1550 2300 1500
Connection ~ 2300 1550
$Comp
L power:+3V3 #PWR0406
U 1 1 60701FCB
P 2300 1150
F 0 "#PWR0406" H 2300 1000 50  0001 C CNN
F 1 "+3V3" H 2315 1323 50  0000 C CNN
F 2 "" H 2300 1150 50  0001 C CNN
F 3 "" H 2300 1150 50  0001 C CNN
	1    2300 1150
	1    0    0    -1  
$EndComp
Wire Wire Line
	2300 1200 2300 1150
$Comp
L Connector_Generic:Conn_01x02 J401
U 1 1 60702E78
P 3800 2450
F 0 "J401" H 3880 2442 50  0000 L CNN
F 1 "Conn_01x02" H 3880 2351 50  0000 L CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical" H 3800 2450 50  0001 C CNN
F 3 "~" H 3800 2450 50  0001 C CNN
F 4 "C358684" H 3800 2450 50  0001 C CNN "LCSC"
	1    3800 2450
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0415
U 1 1 607038BD
P 3600 2900
F 0 "#PWR0415" H 3600 2650 50  0001 C CNN
F 1 "GND" H 3605 2727 50  0000 C CNN
F 2 "" H 3600 2900 50  0001 C CNN
F 3 "" H 3600 2900 50  0001 C CNN
	1    3600 2900
	1    0    0    -1  
$EndComp
Wire Wire Line
	2300 2450 2300 2250
Text Notes 3550 6550 0    50   ~ 0
Vin = 3.0 V
Text Label 2450 2250 0    50   ~ 0
VoutA
Wire Wire Line
	2450 2250 2300 2250
Connection ~ 2300 2250
Wire Wire Line
	2300 2250 2300 2100
Text Notes 2350 1700 0    50   ~ 0
I = (Vcc - Vin) / R\n  = 10 mA
Text Notes 3450 2300 0    50   ~ 0
To tank sender.\nSupports both 0-180 ohm\nand 240-30 ohm\nsenders.
$Comp
L Device:C C404
U 1 1 6072ABE5
P 2900 7050
F 0 "C404" H 3015 7096 50  0000 L CNN
F 1 "68nF" H 3015 7005 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 2938 6900 50  0001 C CNN
F 3 "~" H 2900 7050 50  0001 C CNN
F 4 "C31658" H 2900 7050 50  0001 C CNN "LCSC"
	1    2900 7050
	-1   0    0    -1  
$EndComp
Wire Wire Line
	2900 6900 2900 6750
Wire Wire Line
	2900 6750 3150 6750
$Comp
L power:GND #PWR0408
U 1 1 6072BCC3
P 2900 7200
F 0 "#PWR0408" H 2900 6950 50  0001 C CNN
F 1 "GND" H 2905 7027 50  0000 C CNN
F 2 "" H 2900 7200 50  0001 C CNN
F 3 "" H 2900 7200 50  0001 C CNN
	1    2900 7200
	1    0    0    -1  
$EndComp
$Comp
L Device:R R407
U 1 1 60730D86
P 5350 2500
F 0 "R407" V 5143 2500 50  0000 C CNN
F 1 "1.5k" V 5234 2500 50  0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 5280 2500 50  0001 C CNN
F 3 "~" H 5350 2500 50  0001 C CNN
F 4 "C25867" H 5350 2500 50  0001 C CNN "LCSC"
	1    5350 2500
	0    1    1    0   
$EndComp
$Comp
L Device:C C405
U 1 1 60731E02
P 5600 2700
F 0 "C405" H 5715 2746 50  0000 L CNN
F 1 "1uF" H 5715 2655 50  0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 5638 2550 50  0001 C CNN
F 3 "~" H 5600 2700 50  0001 C CNN
F 4 "C52923" H 5600 2700 50  0001 C CNN "LCSC"
	1    5600 2700
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0418
U 1 1 607323CA
P 5600 2900
F 0 "#PWR0418" H 5600 2650 50  0001 C CNN
F 1 "GND" H 5605 2727 50  0000 C CNN
F 2 "" H 5600 2900 50  0001 C CNN
F 3 "" H 5600 2900 50  0001 C CNN
	1    5600 2900
	1    0    0    -1  
$EndComp
Wire Wire Line
	5600 2900 5600 2850
Text Label 5150 2500 2    50   ~ 0
VoutA
Wire Wire Line
	5800 2500 5600 2500
Wire Wire Line
	5200 2500 5150 2500
Wire Wire Line
	5600 2550 5600 2500
Connection ~ 5600 2500
Wire Wire Line
	5600 2500 5500 2500
Text Notes 5150 2200 0    50   ~ 0
LP-filter with cutoff\nat 106 Hz
$Comp
L Device:C C401
U 1 1 607457D9
P 1200 1300
F 0 "C401" H 1086 1254 50  0000 R CNN
F 1 "100nF" H 1086 1345 50  0000 R CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 1238 1150 50  0001 C CNN
F 3 "~" H 1200 1300 50  0001 C CNN
F 4 "C1525" H 1200 1300 50  0001 C CNN "LCSC"
	1    1200 1300
	1    0    0    1   
$EndComp
$Comp
L Device:R R401
U 1 1 6074C014
P 1950 1550
F 0 "R401" V 1743 1550 50  0000 C CNN
F 1 "1k" V 1834 1550 50  0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 1880 1550 50  0001 C CNN
F 3 "~" H 1950 1550 50  0001 C CNN
F 4 "C11702" H 1950 1550 50  0001 C CNN "LCSC"
	1    1950 1550
	0    1    1    0   
$EndComp
Wire Wire Line
	1800 1550 1200 1550
Wire Wire Line
	1200 1550 1200 1450
Connection ~ 1200 1550
$Comp
L power:+3V3 #PWR0401
U 1 1 6074EEF5
P 1200 1150
F 0 "#PWR0401" H 1200 1000 50  0001 C CNN
F 1 "+3V3" H 1215 1323 50  0000 C CNN
F 2 "" H 1200 1150 50  0001 C CNN
F 3 "" H 1200 1150 50  0001 C CNN
	1    1200 1150
	1    0    0    -1  
$EndComp
Text Notes 1350 1300 0    50   ~ 0
Filter cap to 3.3V to \navoid a current swing\nat startup.
$Comp
L Device:Q_PNP_BEC Q402
U 1 1 6077AFF0
P 2200 4150
F 0 "Q402" H 2390 4104 50  0000 L CNN
F 1 "S9015" H 2390 4195 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-323_SC-70" H 2400 4250 50  0001 C CNN
F 3 "~" H 2200 4150 50  0001 C CNN
F 4 "C106811" H 2200 4150 50  0001 C CNN "LCSC"
	1    2200 4150
	1    0    0    1   
$EndComp
Wire Wire Line
	1900 4150 2000 4150
Wire Wire Line
	2300 3950 2300 3800
Wire Wire Line
	2300 3800 2100 3800
Wire Wire Line
	1200 3800 1200 4050
Wire Wire Line
	1200 4050 1300 4050
$Comp
L Device:R R404
U 1 1 6077AFFB
P 2300 3600
F 0 "R404" H 2370 3646 50  0000 L CNN
F 1 "30" H 2370 3555 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 2230 3600 50  0001 C CNN
F 3 "~" H 2300 3600 50  0001 C CNN
F 4 "C22985" H 2300 3600 50  0001 C CNN "LCSC"
	1    2300 3600
	1    0    0    -1  
$EndComp
Text Label 1150 4250 2    50   ~ 0
Vin
Wire Wire Line
	1150 4250 1300 4250
Wire Wire Line
	2300 3800 2300 3750
Connection ~ 2300 3800
$Comp
L power:+3V3 #PWR0407
U 1 1 6077B005
P 2300 3400
F 0 "#PWR0407" H 2300 3250 50  0001 C CNN
F 1 "+3V3" H 2315 3573 50  0000 C CNN
F 2 "" H 2300 3400 50  0001 C CNN
F 3 "" H 2300 3400 50  0001 C CNN
	1    2300 3400
	1    0    0    -1  
$EndComp
Wire Wire Line
	2300 3450 2300 3400
$Comp
L Connector_Generic:Conn_01x02 J402
U 1 1 6077B00C
P 3800 4700
F 0 "J402" H 3880 4692 50  0000 L CNN
F 1 "Conn_01x02" H 3880 4601 50  0000 L CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical" H 3800 4700 50  0001 C CNN
F 3 "~" H 3800 4700 50  0001 C CNN
F 4 "C358684" H 3800 4700 50  0001 C CNN "LCSC"
	1    3800 4700
	1    0    0    -1  
$EndComp
Wire Wire Line
	2300 4700 2300 4500
Text Label 2450 4500 0    50   ~ 0
VoutB
Wire Wire Line
	2450 4500 2300 4500
Connection ~ 2300 4500
Wire Wire Line
	2300 4500 2300 4350
$Comp
L Device:C C402
U 1 1 6077B022
P 1200 3550
F 0 "C402" H 1086 3504 50  0000 R CNN
F 1 "100nF" H 1086 3595 50  0000 R CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 1238 3400 50  0001 C CNN
F 3 "~" H 1200 3550 50  0001 C CNN
F 4 "C1525" H 1200 3550 50  0001 C CNN "LCSC"
	1    1200 3550
	1    0    0    1   
$EndComp
$Comp
L Device:R R402
U 1 1 6077B028
P 1950 3800
F 0 "R402" V 1743 3800 50  0000 C CNN
F 1 "1k" V 1834 3800 50  0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 1880 3800 50  0001 C CNN
F 3 "~" H 1950 3800 50  0001 C CNN
F 4 "C11702" H 1950 3800 50  0001 C CNN "LCSC"
	1    1950 3800
	0    1    1    0   
$EndComp
Wire Wire Line
	1800 3800 1200 3800
Wire Wire Line
	1200 3800 1200 3700
Connection ~ 1200 3800
$Comp
L power:+3V3 #PWR0402
U 1 1 6077B031
P 1200 3400
F 0 "#PWR0402" H 1200 3250 50  0001 C CNN
F 1 "+3V3" H 1215 3573 50  0000 C CNN
F 2 "" H 1200 3400 50  0001 C CNN
F 3 "" H 1200 3400 50  0001 C CNN
	1    1200 3400
	1    0    0    -1  
$EndComp
$Comp
L Device:R R408
U 1 1 607992BA
P 5350 3400
F 0 "R408" V 5143 3400 50  0000 C CNN
F 1 "1.5k" V 5234 3400 50  0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 5280 3400 50  0001 C CNN
F 3 "~" H 5350 3400 50  0001 C CNN
F 4 "C25867" H 5350 3400 50  0001 C CNN "LCSC"
	1    5350 3400
	0    1    1    0   
$EndComp
$Comp
L Device:C C406
U 1 1 607992C0
P 5600 3600
F 0 "C406" H 5715 3646 50  0000 L CNN
F 1 "1uF" H 5715 3555 50  0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 5638 3450 50  0001 C CNN
F 3 "~" H 5600 3600 50  0001 C CNN
F 4 "C52923" H 5600 3600 50  0001 C CNN "LCSC"
	1    5600 3600
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0419
U 1 1 607992C6
P 5600 3800
F 0 "#PWR0419" H 5600 3550 50  0001 C CNN
F 1 "GND" H 5605 3627 50  0000 C CNN
F 2 "" H 5600 3800 50  0001 C CNN
F 3 "" H 5600 3800 50  0001 C CNN
	1    5600 3800
	1    0    0    -1  
$EndComp
Wire Wire Line
	5600 3800 5600 3750
Text Label 5150 3400 2    50   ~ 0
VoutB
Wire Wire Line
	5800 3400 5600 3400
Wire Wire Line
	5200 3400 5150 3400
Wire Wire Line
	5600 3450 5600 3400
Connection ~ 5600 3400
Wire Wire Line
	5600 3400 5500 3400
Text Notes 3450 6250 0    50   ~ 0
Reference voltage for\ncurrent supplies
$Comp
L power:GND #PWR0417
U 1 1 60A6E5CF
P 4600 6850
F 0 "#PWR0417" H 4600 6600 50  0001 C CNN
F 1 "GND" H 4605 6677 50  0000 C CNN
F 2 "" H 4600 6850 50  0001 C CNN
F 3 "" H 4600 6850 50  0001 C CNN
	1    4600 6850
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0420
U 1 1 60A6EAF0
P 5650 6850
F 0 "#PWR0420" H 5650 6600 50  0001 C CNN
F 1 "GND" H 5655 6677 50  0000 C CNN
F 2 "" H 5650 6850 50  0001 C CNN
F 3 "" H 5650 6850 50  0001 C CNN
	1    5650 6850
	1    0    0    -1  
$EndComp
Wire Wire Line
	5650 6850 5650 6650
Wire Wire Line
	5650 6450 5750 6450
Wire Wire Line
	5750 6650 5650 6650
Connection ~ 5650 6650
Wire Wire Line
	5650 6650 5650 6450
Wire Wire Line
	4600 6850 4600 6650
Wire Wire Line
	4600 6450 4700 6450
Wire Wire Line
	4700 6650 4600 6650
Connection ~ 4600 6650
Wire Wire Line
	4600 6650 4600 6450
NoConn ~ 5300 6550
NoConn ~ 6350 6550
Text HLabel 5800 2500 2    50   Input ~ 0
ADC_A
Text HLabel 5800 3400 2    50   Input ~ 0
ADC_B
Wire Wire Line
	3600 2550 3600 2900
$Comp
L power:GND #PWR0409
U 1 1 60AF7C58
P 3000 3200
F 0 "#PWR0409" H 3000 2950 50  0001 C CNN
F 1 "GND" H 3005 3027 50  0000 C CNN
F 2 "" H 3000 3200 50  0001 C CNN
F 3 "" H 3000 3200 50  0001 C CNN
	1    3000 3200
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0411
U 1 1 60AF9587
P 3100 3200
F 0 "#PWR0411" H 3100 2950 50  0001 C CNN
F 1 "GND" H 3105 3027 50  0000 C CNN
F 2 "" H 3100 3200 50  0001 C CNN
F 3 "" H 3100 3200 50  0001 C CNN
	1    3100 3200
	1    0    0    -1  
$EndComp
Wire Wire Line
	3000 3200 3000 3100
Wire Wire Line
	3100 3200 3100 3100
NoConn ~ 3400 2650
NoConn ~ 3400 2550
NoConn ~ 2700 2550
NoConn ~ 2700 2650
NoConn ~ 3400 2750
NoConn ~ 2700 2750
Wire Wire Line
	3600 2450 3400 2450
Wire Wire Line
	2300 2450 2700 2450
$Comp
L SH-ESP32-tank-hat:RCLAMP0524P-N U403
U 1 1 60B1D278
P 3050 4900
F 0 "U403" H 3050 5325 50  0000 C CNN
F 1 "RCLAMP0524P-N" H 3050 5234 50  0000 C CNN
F 2 "Package_DFN_QFN:Diodes_UDFN-10_1.0x2.5mm_P0.5mm" H 3050 4800 50  0001 C CNN
F 3 "" H 3050 4800 50  0001 C CNN
F 4 "C316044" H 3050 4900 50  0001 C CNN "LCSC"
	1    3050 4900
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0410
U 1 1 60B1D27E
P 3000 5450
F 0 "#PWR0410" H 3000 5200 50  0001 C CNN
F 1 "GND" H 3005 5277 50  0000 C CNN
F 2 "" H 3000 5450 50  0001 C CNN
F 3 "" H 3000 5450 50  0001 C CNN
	1    3000 5450
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0412
U 1 1 60B1D284
P 3100 5450
F 0 "#PWR0412" H 3100 5200 50  0001 C CNN
F 1 "GND" H 3105 5277 50  0000 C CNN
F 2 "" H 3100 5450 50  0001 C CNN
F 3 "" H 3100 5450 50  0001 C CNN
	1    3100 5450
	1    0    0    -1  
$EndComp
Wire Wire Line
	3000 5450 3000 5350
Wire Wire Line
	3100 5450 3100 5350
NoConn ~ 3400 4900
NoConn ~ 3400 4800
NoConn ~ 2700 4800
NoConn ~ 2700 4900
NoConn ~ 3400 5000
NoConn ~ 2700 5000
Wire Wire Line
	3600 4700 3400 4700
Wire Wire Line
	2300 4700 2700 4700
$Comp
L power:GND #PWR0416
U 1 1 60B1FCD3
P 3600 5150
F 0 "#PWR0416" H 3600 4900 50  0001 C CNN
F 1 "GND" H 3605 4977 50  0000 C CNN
F 2 "" H 3600 5150 50  0001 C CNN
F 3 "" H 3600 5150 50  0001 C CNN
	1    3600 5150
	1    0    0    -1  
$EndComp
Wire Wire Line
	3600 4800 3600 5050
$Comp
L SH-ESP32-tank-hat:RCLAMP0524P-N U402
U 1 1 60AE472B
P 3050 2650
F 0 "U402" H 3050 3075 50  0000 C CNN
F 1 "RCLAMP0524P-N" H 3050 2984 50  0000 C CNN
F 2 "Package_DFN_QFN:Diodes_UDFN-10_1.0x2.5mm_P0.5mm" H 3050 2550 50  0001 C CNN
F 3 "" H 3050 2550 50  0001 C CNN
F 4 "C316044" H 3050 2650 50  0001 C CNN "LCSC"
	1    3050 2650
	1    0    0    -1  
$EndComp
Wire Wire Line
	2700 2450 3400 2450
Connection ~ 2700 2450
Connection ~ 3400 2450
Wire Wire Line
	2700 4700 3400 4700
Connection ~ 2700 4700
Connection ~ 3400 4700
$Comp
L power:PWR_FLAG #FLG0102
U 1 1 60A70773
P 3600 5050
F 0 "#FLG0102" H 3600 5125 50  0001 C CNN
F 1 "PWR_FLAG" V 3600 5178 50  0000 L CNN
F 2 "" H 3600 5050 50  0001 C CNN
F 3 "~" H 3600 5050 50  0001 C CNN
	1    3600 5050
	0    1    1    0   
$EndComp
Connection ~ 3600 5050
Wire Wire Line
	3600 5050 3600 5150
$EndSCHEMATC