ADBT/ADBT.sch

EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr USLetter 11000 8500
encoding utf-8
Sheet 1 1
Title "ADBT"
Date "2021-02-05"
Rev "0.5"
Comp "Garrett's Workshop"
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
Text Label 9450 2700 0    50   ~ 0
DBG_TX
Text Label 9450 2800 0    50   ~ 0
DBG_RX
$Comp
L power:GND #PWR0101
U 1 1 5FBAD8DD
P 9450 3900
F 0 "#PWR0101" H 9450 3650 50  0001 C CNN
F 1 "GND" H 9450 3750 50  0000 C CNN
F 2 "" H 9450 3900 50  0001 C CNN
F 3 "" H 9450 3900 50  0001 C CNN
	1    9450 3900
	1    0    0    -1  
$EndComp
Wire Wire Line
	9450 3900 9450 3800
$Comp
L power:GND #PWR0102
U 1 1 5FBB1B31
P 7650 3900
F 0 "#PWR0102" H 7650 3650 50  0001 C CNN
F 1 "GND" H 7650 3750 50  0000 C CNN
F 2 "" H 7650 3900 50  0001 C CNN
F 3 "" H 7650 3900 50  0001 C CNN
	1    7650 3900
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0103
U 1 1 5FBB1EE7
P 8150 4300
F 0 "#PWR0103" H 8150 4050 50  0001 C CNN
F 1 "GND" H 8150 4150 50  0000 C CNN
F 2 "" H 8150 4300 50  0001 C CNN
F 3 "" H 8150 4300 50  0001 C CNN
	1    8150 4300
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR0104
U 1 1 5FBB2B7D
P 7650 2600
F 0 "#PWR0104" H 7650 2450 50  0001 C CNN
F 1 "+3V3" H 7650 2750 50  0000 C CNN
F 2 "" H 7650 2600 50  0001 C CNN
F 3 "" H 7650 2600 50  0001 C CNN
	1    7650 2600
	1    0    0    -1  
$EndComp
NoConn ~ 7650 2800
NoConn ~ 7650 2900
Wire Notes Line
	4150 700  4150 1550
$Comp
L power:+5V #PWR0108
U 1 1 5F4A5DC9
P 4500 950
F 0 "#PWR0108" H 4500 800 50  0001 C CNN
F 1 "+5V" H 4500 1100 50  0000 C CNN
F 2 "" H 4500 950 50  0001 C CNN
F 3 "" H 4500 950 50  0001 C CNN
	1    4500 950 
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R4
U 1 1 60495FA5
P 2300 1900
F 0 "R4" H 2250 1950 50  0000 R CNN
F 1 "1k" H 2250 1850 50  0000 R CNN
F 2 "stdpads:R_0603" H 2300 1900 50  0001 C CNN
F 3 "~" H 2300 1900 50  0001 C CNN
	1    2300 1900
	-1   0    0    -1  
$EndComp
Wire Notes Line
	2700 1900 2700 3600
NoConn ~ 8350 4300
NoConn ~ 8450 4300
NoConn ~ 8550 4300
NoConn ~ 8650 4300
NoConn ~ 8750 4300
NoConn ~ 8850 4300
Wire Wire Line
	7550 2500 7550 2600
Wire Wire Line
	7550 2600 7650 2600
Text Label 9200 4450 2    50   ~ 0
TDO
Wire Wire Line
	8950 4450 8950 4300
Wire Wire Line
	9600 3700 9450 3700
Wire Wire Line
	8250 4300 8250 4450
Wire Wire Line
	8250 4450 8450 4450
Text Label 8450 4450 2    50   ~ 0
TCK
Text Label 7650 2700 2    50   ~ 0
EN
Text Label 9600 3700 2    50   ~ 0
IO0
Text Label 9200 4350 2    50   ~ 0
IO2
Connection ~ 9450 3900
Connection ~ 7650 2600
$Comp
L GW_MCU:ESP-WROOM-32 U1
U 1 1 5F4A0F14
P 8550 3200
F 0 "U1" H 8550 3900 50  0000 C CNN
F 1 "ESP-WROOM-32" H 8550 3800 50  0000 C CNN
F 2 "stdpads:ESP32-WROVER_WROOM-32" H 8550 2050 50  0001 C CNN
F 3 "" H 8100 3650 60  0001 C CNN
F 4 "C473012" H 8550 3200 50  0001 C CNN "LCSC Part"
	1    8550 3200
	1    0    0    -1  
$EndComp
Wire Wire Line
	9200 4450 8950 4450
Wire Wire Line
	7500 3800 7650 3800
Text Label 7500 3800 0    50   ~ 0
TDI
Wire Wire Line
	7650 3700 7500 3700
Text Label 7500 3700 0    50   ~ 0
TMS
NoConn ~ 9450 3000
Wire Wire Line
	9200 4350 9050 4350
Wire Wire Line
	9050 4350 9050 4300
Wire Wire Line
	3000 2250 3000 2150
Wire Wire Line
	3150 2150 3150 2250
Wire Notes Line
	4850 3600 2700 3600
Wire Wire Line
	3000 2150 3150 2150
Wire Wire Line
	3450 2150 3950 2150
Wire Wire Line
	3450 2150 3450 2250
Connection ~ 3450 2450
Wire Wire Line
	3650 2450 3450 2450
Connection ~ 3950 2150
$Comp
L Device:R_Small R7
U 1 1 617A9A0A
P 3450 2350
F 0 "R7" H 3509 2396 50  0000 L CNN
F 1 "DNP" H 3509 2305 50  0000 L CNN
F 2 "stdpads:R_0603" H 3450 2350 50  0001 C CNN
F 3 "~" H 3450 2350 50  0001 C CNN
	1    3450 2350
	1    0    0    -1  
$EndComp
Text Notes 3450 1850 0    50   ~ 0
CH340G USB-to-UART
$Comp
L Interface_USB:CH340G U2
U 1 1 5F6A9E55
P 4050 2750
F 0 "U2" H 4050 2750 50  0000 C CNN
F 1 "CH340G" H 4050 2650 50  0000 C CNN
F 2 "stdpads:SOIC-16_3.9mm" H 4100 2200 50  0001 L CNN
F 3 "http://www.datasheet5.com/pdf-local-2195953" H 3700 3550 50  0001 C CNN
F 4 "C14267" H 4050 2750 50  0001 C CNN "LCSC Part"
	1    4050 2750
	1    0    0    -1  
$EndComp
Text Label 3650 2650 2    50   ~ 0
D+
Text Label 3650 2750 2    50   ~ 0
D-
Text Label 4750 2450 2    50   ~ 0
DBG_RX
$Comp
L power:+3V3 #PWR0109
U 1 1 5FBD76C3
P 4050 2150
F 0 "#PWR0109" H 4050 2000 50  0001 C CNN
F 1 "+3V3" H 4050 2300 50  0000 C CNN
F 2 "" H 4050 2150 50  0001 C CNN
F 3 "" H 4050 2150 50  0001 C CNN
	1    4050 2150
	1    0    0    -1  
$EndComp
Wire Wire Line
	4050 2150 3950 2150
$Comp
L power:GND #PWR0110
U 1 1 5FBDBBB2
P 4050 3350
F 0 "#PWR0110" H 4050 3100 50  0001 C CNN
F 1 "GND" H 4050 3200 50  0000 C CNN
F 2 "" H 4050 3350 50  0001 C CNN
F 3 "" H 4050 3350 50  0001 C CNN
	1    4050 3350
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C17
U 1 1 5FBE1F07
P 3450 3250
F 0 "C17" H 3550 3300 50  0000 L CNN
F 1 "22p" H 3550 3200 50  0000 L CNN
F 2 "stdpads:C_0603" H 3450 3250 50  0001 C CNN
F 3 "~" H 3450 3250 50  0001 C CNN
	1    3450 3250
	-1   0    0    -1  
$EndComp
$Comp
L Device:C_Small C16
U 1 1 5FBE3193
P 3050 3250
F 0 "C16" H 3150 3300 50  0000 L CNN
F 1 "22p" H 3150 3200 50  0000 L CNN
F 2 "stdpads:C_0603" H 3050 3250 50  0001 C CNN
F 3 "~" H 3050 3250 50  0001 C CNN
	1    3050 3250
	-1   0    0    -1  
$EndComp
Connection ~ 3450 3350
Wire Wire Line
	3450 3350 4050 3350
Wire Wire Line
	3050 2950 3050 3150
Connection ~ 4050 3350
Connection ~ 4050 2150
Wire Wire Line
	4750 2450 4450 2450
Wire Wire Line
	4450 2350 4750 2350
Wire Wire Line
	3150 2450 3450 2450
Wire Wire Line
	3050 3350 3450 3350
$Comp
L Device:D_Schottky_Small_ALT D2
U 1 1 606BA55F
P 2500 1650
F 0 "D2" H 2500 1600 50  0000 C TNN
F 1 "Schottky" H 2500 1750 50  0000 C CNN
F 2 "stdpads:D_SMA" V 2500 1650 50  0001 C CNN
F 3 "~" V 2500 1650 50  0001 C CNN
F 4 "C22452" H 2500 1650 50  0001 C CNN "LCSC Part"
	1    2500 1650
	-1   0    0    1   
$EndComp
Text Notes 6300 5000 0    50   ~ 0
ESP32 strap resistors
Wire Notes Line
	4500 6450 8950 6450
Wire Notes Line
	4500 5050 4500 6450
$Comp
L Device:R_Small R23
U 1 1 6145D00D
P 5400 5400
F 0 "R23" H 5459 5446 50  0000 L CNN
F 1 "DNP" H 5459 5355 50  0000 L CNN
F 2 "stdpads:R_0603" H 5400 5400 50  0001 C CNN
F 3 "~" H 5400 5400 50  0001 C CNN
	1    5400 5400
	1    0    0    -1  
$EndComp
Connection ~ 5400 5300
Wire Wire Line
	5100 5300 5400 5300
Wire Wire Line
	5400 5300 5700 5300
Wire Wire Line
	5400 5700 5400 5500
Connection ~ 5400 5700
$Comp
L Device:R_Small R28
U 1 1 6145D0EE
P 5400 6100
F 0 "R28" H 5459 6146 50  0000 L CNN
F 1 "DNP" H 5459 6055 50  0000 L CNN
F 2 "stdpads:R_0603" H 5400 6100 50  0001 C CNN
F 3 "~" H 5400 6100 50  0001 C CNN
	1    5400 6100
	1    0    0    -1  
$EndComp
Text Notes 5750 6000 0    50   ~ 0
IO0: pull-up disables ESP32 serial download\nIO2: pull-down disables ESP32 test mode\nTCK: pull-down prevents JTAG TCK clock pulse at power-on\nTMS: pull-up causes JTAG to reset state if accidental TCK pulse\nTDO: pull up for debug output, down for fast/quiet boot (internal pull-up)\nTDI:  pull up for 1.8V flash, down for 3.3V flash (internal pull-down)
Connection ~ 5700 6200
$Comp
L power:GND #PWR0112
U 1 1 614A0F15
P 5700 6200
F 0 "#PWR0112" H 5700 5950 50  0001 C CNN
F 1 "GND" H 5700 6050 50  0000 C CNN
F 2 "" H 5700 6200 50  0001 C CNN
F 3 "" H 5700 6200 50  0001 C CNN
	1    5700 6200
	1    0    0    -1  
$EndComp
Wire Wire Line
	5400 6200 5100 6200
Connection ~ 5400 6200
Wire Wire Line
	5100 6200 4800 6200
Connection ~ 5100 6200
Wire Wire Line
	5700 6200 5400 6200
Connection ~ 5100 5300
Connection ~ 4800 5300
Wire Wire Line
	4800 5300 5100 5300
Connection ~ 5700 5800
Wire Wire Line
	5700 5800 5700 6000
Wire Wire Line
	5400 5700 5400 6000
Wire Wire Line
	5700 5800 5700 5500
Wire Wire Line
	4600 5800 5700 5800
Wire Wire Line
	4600 5700 5400 5700
$Comp
L Device:R_Small R29
U 1 1 6145DEAB
P 5700 6100
F 0 "R29" H 5759 6146 50  0000 L CNN
F 1 "DNP" H 5759 6055 50  0000 L CNN
F 2 "stdpads:R_0603" H 5700 6100 50  0001 C CNN
F 3 "~" H 5700 6100 50  0001 C CNN
	1    5700 6100
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R24
U 1 1 6145DEA5
P 5700 5400
F 0 "R24" H 5759 5446 50  0000 L CNN
F 1 "DNP" H 5759 5355 50  0000 L CNN
F 2 "stdpads:R_0603" H 5700 5400 50  0001 C CNN
F 3 "~" H 5700 5400 50  0001 C CNN
	1    5700 5400
	1    0    0    -1  
$EndComp
Wire Wire Line
	5100 5600 5100 5500
Wire Wire Line
	4600 5600 5100 5600
$Comp
L Device:R_Small R22
U 1 1 6144AD92
P 5100 5400
F 0 "R22" H 5159 5446 50  0000 L CNN
F 1 "22k" H 5159 5355 50  0000 L CNN
F 2 "stdpads:R_0603" H 5100 5400 50  0001 C CNN
F 3 "~" H 5100 5400 50  0001 C CNN
	1    5100 5400
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R27
U 1 1 6144AB7D
P 5100 6100
F 0 "R27" H 5159 6146 50  0000 L CNN
F 1 "1k" H 5159 6055 50  0000 L CNN
F 2 "stdpads:R_0603" H 5100 6100 50  0001 C CNN
F 3 "~" H 5100 6100 50  0001 C CNN
	1    5100 6100
	1    0    0    -1  
$EndComp
Wire Wire Line
	5100 5900 5100 6000
Wire Wire Line
	4600 5900 5100 5900
$Comp
L Device:R_Small R26
U 1 1 613FBC23
P 4800 6100
F 0 "R26" H 4859 6146 50  0000 L CNN
F 1 "22k" H 4859 6055 50  0000 L CNN
F 2 "stdpads:R_0603" H 4800 6100 50  0001 C CNN
F 3 "~" H 4800 6100 50  0001 C CNN
	1    4800 6100
	1    0    0    -1  
$EndComp
Wire Wire Line
	4600 6000 4800 6000
Text Label 4600 5900 0    50   ~ 0
IO2
Text Label 4600 6000 0    50   ~ 0
TCK
Text Label 4600 5600 0    50   ~ 0
TMS
Text Label 4600 5800 0    50   ~ 0
TDI
Text Label 4600 5700 0    50   ~ 0
TDO
Wire Wire Line
	4600 5500 4800 5500
$Comp
L power:+3V3 #PWR0113
U 1 1 612A6B73
P 4800 5300
F 0 "#PWR0113" H 4800 5150 50  0001 C CNN
F 1 "+3V3" H 4800 5450 50  0000 C CNN
F 2 "" H 4800 5300 50  0001 C CNN
F 3 "" H 4800 5300 50  0001 C CNN
	1    4800 5300
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R21
U 1 1 612A66AB
P 4800 5400
F 0 "R21" H 4859 5446 50  0000 L CNN
F 1 "22k" H 4859 5355 50  0000 L CNN
F 2 "stdpads:R_0603" H 4800 5400 50  0001 C CNN
F 3 "~" H 4800 5400 50  0001 C CNN
	1    4800 5400
	1    0    0    -1  
$EndComp
Text Label 4600 5500 0    50   ~ 0
IO0
Wire Wire Line
	4450 3050 4950 3050
Wire Wire Line
	4950 3050 4950 2250
Wire Wire Line
	5050 2750 5050 3150
Wire Wire Line
	5050 3150 4450 3150
Text Label 4650 3050 2    50   ~ 0
DTR
Text Label 4650 3150 2    50   ~ 0
RTS
NoConn ~ 4450 2650
NoConn ~ 4450 2750
NoConn ~ 4450 2850
NoConn ~ 4450 2950
Text Notes 2800 650  0    50   ~ 0
ADB 5V disabler + inrush limiter
Text Label 5300 2750 0    50   ~ 0
RTS
Wire Notes Line
	6650 1900 6650 3050
Wire Notes Line
	5150 3050 6650 3050
Text Notes 5200 1850 0    50   ~ 0
ESP32 serial download mode thingy
Wire Notes Line
	5150 1900 6650 1900
Wire Wire Line
	5550 2550 5550 2250
Wire Wire Line
	5550 2550 6100 2550
Wire Wire Line
	5600 2250 5550 2250
Wire Wire Line
	5500 2450 5500 2750
Wire Wire Line
	6100 2450 5500 2450
Wire Wire Line
	5500 2750 5600 2750
Text Label 5300 2250 0    50   ~ 0
DTR
Wire Wire Line
	6300 2950 6100 2950
Text Label 6300 2950 2    50   ~ 0
IO0
Wire Wire Line
	6300 2050 6100 2050
Text Label 6300 2050 2    50   ~ 0
EN
$Comp
L Device:R_Small R5
U 1 1 619E4BD9
P 5700 2250
F 0 "R5" V 5550 2250 50  0000 C CNN
F 1 "10k" V 5650 2250 50  0000 C BNN
F 2 "stdpads:R_0603" H 5700 2250 50  0001 C CNN
F 3 "~" H 5700 2250 50  0001 C CNN
	1    5700 2250
	0    -1   1    0   
$EndComp
$Comp
L Device:R_Small R9
U 1 1 619E4693
P 5700 2750
F 0 "R9" V 5550 2750 50  0000 C CNN
F 1 "10k" V 5650 2750 50  0000 C BNN
F 2 "stdpads:R_0603" H 5700 2750 50  0001 C CNN
F 3 "~" H 5700 2750 50  0001 C CNN
	1    5700 2750
	0    -1   1    0   
$EndComp
$Comp
L Transistor_BJT:MMBT3904 Q4
U 1 1 619E2F9A
P 6000 2250
F 0 "Q4" H 6191 2296 50  0000 L CNN
F 1 "MMBT3904" H 6191 2205 50  0000 L CNN
F 2 "stdpads:SOT-23" H 6200 2350 50  0001 C CNN
F 3 "~" H 6000 2250 50  0001 C CNN
F 4 "C20526" H 6000 2250 50  0001 C CNN "LCSC Part"
	1    6000 2250
	1    0    0    -1  
$EndComp
Connection ~ 5500 2750
Wire Wire Line
	5050 2750 5500 2750
Connection ~ 5550 2250
Wire Wire Line
	4950 2250 5550 2250
Wire Notes Line
	5150 3050 5150 1900
Wire Notes Line
	4850 1900 4850 3600
Wire Notes Line
	4350 700  4350 1550
Wire Notes Line
	4150 700  2700 700 
Wire Notes Line
	2700 1550 4150 1550
Wire Wire Line
	3050 2950 3450 2950
Text Label 4750 2350 2    50   ~ 0
DBG_TX
Text Notes 7550 2450 2    50   ~ 0
RC delay on\nESP32 enable
$Comp
L Device:C_Small C15
U 1 1 60DDB20D
P 7300 2800
F 0 "C15" H 7400 2850 50  0000 L CNN
F 1 "100n" H 7400 2750 50  0000 L CNN
F 2 "stdpads:C_0603" H 7300 2800 50  0001 C CNN
F 3 "~" H 7300 2800 50  0001 C CNN
	1    7300 2800
	-1   0    0    -1  
$EndComp
$Comp
L Device:R_Small R8
U 1 1 60DDC02D
P 7300 2600
F 0 "R8" H 7250 2650 50  0000 R CNN
F 1 "10k" H 7250 2550 50  0000 R CNN
F 2 "stdpads:R_0603" H 7300 2600 50  0001 C CNN
F 3 "~" H 7300 2600 50  0001 C CNN
	1    7300 2600
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0114
U 1 1 60DE91E5
P 7500 2750
F 0 "#PWR0114" H 7500 2500 50  0001 C CNN
F 1 "GND" H 7500 2600 50  0000 C CNN
F 2 "" H 7500 2750 50  0001 C CNN
F 3 "" H 7500 2750 50  0001 C CNN
	1    7500 2750
	1    0    0    -1  
$EndComp
Wire Wire Line
	7500 2750 7400 2750
Wire Wire Line
	7400 2750 7400 2900
Wire Wire Line
	7400 2900 7300 2900
Wire Wire Line
	7300 2500 7550 2500
Wire Wire Line
	7650 2700 7300 2700
Connection ~ 7300 2700
$Comp
L Device:Polyfuse_Small F2
U 1 1 5F68302E
P 2150 1650
F 0 "F2" V 2250 1650 50  0000 C CNN
F 1 "500mA" V 2050 1650 50  0000 C CNN
F 2 "stdpads:BelFuse_1206" H 2200 1450 50  0001 L CNN
F 3 "~" H 2150 1650 50  0001 C CNN
F 4 "C69688" H 2150 1650 50  0001 C CNN "LCSC Part"
	1    2150 1650
	0    -1   -1   0   
$EndComp
Wire Notes Line
	2700 700  2700 1550
Connection ~ 3200 1250
$Comp
L Device:Q_PMOS_GSD Q1
U 1 1 61225261
P 3200 1050
F 0 "Q1" V 3400 1150 50  0000 L TNN
F 1 "AO3401" V 3350 1150 50  0000 L CNN
F 2 "stdpads:SOT-23" H 3400 1150 50  0001 C CNN
F 3 "~" H 3200 1050 50  0001 C CNN
F 4 "C15127" V 3200 1050 50  0001 C CNN "LCSC Part"
	1    3200 1050
	0    1    -1   0   
$EndComp
$Comp
L Device:D_Zener_Small_ALT D6
U 1 1 628F617B
P 3500 1350
F 0 "D6" V 3454 1418 50  0000 L CNN
F 1 "5V6" V 3545 1418 50  0000 L CNN
F 2 "stdpads:D_MiniMELF" V 3500 1350 50  0001 C CNN
F 3 "~" V 3500 1350 50  0001 C CNN
F 4 "C8062" H 3500 1350 50  0001 C CNN "LCSC Part"
	1    3500 1350
	0    1    1    0   
$EndComp
Wire Wire Line
	3200 1250 3500 1250
Wire Wire Line
	3500 1450 3800 1450
$Comp
L Device:C_Small C12
U 1 1 6295843C
P 3800 1350
F 0 "C12" H 3850 1400 50  0000 L CNN
F 1 "100p" H 3850 1300 50  0000 L CNN
F 2 "stdpads:C_0603" H 3800 1350 50  0001 C CNN
F 3 "~" H 3800 1350 50  0001 C CNN
	1    3800 1350
	1    0    0    -1  
$EndComp
Wire Wire Line
	3800 1250 3500 1250
Connection ~ 3500 1250
Connection ~ 2150 950 
Wire Wire Line
	2150 1150 1750 1150
$Comp
L Device:Ferrite_Bead_Small FB1
U 1 1 626C6C78
P 2050 950
F 0 "FB1" V 1850 950 50  0000 C CNN
F 1 "GZ2012D101TF" V 1950 1050 50  0000 C BNN
F 2 "stdpads:Murata_BLM21" V 1980 950 50  0001 C CNN
F 3 "~" H 2050 950 50  0001 C CNN
F 4 "C1015" V 2050 950 50  0001 C CNN "LCSC Part"
	1    2050 950 
	0    -1   1    0   
$EndComp
$Comp
L Device:C_Small C8
U 1 1 62581E7B
P 1750 1050
F 0 "C8" H 1842 1096 50  0000 L CNN
F 1 "2u2" H 1842 1005 50  0000 L CNN
F 2 "stdpads:C_0603" H 1750 1050 50  0001 C CNN
F 3 "~" H 1750 1050 50  0001 C CNN
	1    1750 1050
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0115
U 1 1 6269F588
P 2150 1150
F 0 "#PWR0115" H 2150 900 50  0001 C CNN
F 1 "GND" H 2150 1000 50  0000 C CNN
F 2 "" H 2150 1150 50  0001 C CNN
F 3 "" H 2150 1150 50  0001 C CNN
	1    2150 1150
	1    0    0    -1  
$EndComp
Wire Wire Line
	1750 950  1950 950 
$Comp
L Device:C_Small C9
U 1 1 62594C72
P 2150 1050
F 0 "C9" H 2242 1096 50  0000 L CNN
F 1 "2u2" H 2242 1005 50  0000 L CNN
F 2 "stdpads:C_0603" H 2150 1050 50  0001 C CNN
F 3 "~" H 2150 1050 50  0001 C CNN
	1    2150 1050
	1    0    0    -1  
$EndComp
Wire Wire Line
	900  950  900  1150
Wire Wire Line
	950  1150 900  1150
Wire Wire Line
	900  950  950  950 
Text Label 1100 850  2    50   ~ 0
PSW
$Comp
L GW_Connector:MiniDIN-4 J1
U 1 1 5F4A4837
P 1250 1050
F 0 "J1" H 1250 1150 50  0000 C CNN
F 1 "ADB1" H 1250 1050 50  0000 C CNN
F 2 "stdpads:MD-40" H 1250 1050 50  0001 C CNN
F 3 "" H 1250 1050 50  0001 C CNN
	1    1250 1050
	1    0    0    -1  
$EndComp
Wire Wire Line
	850  1050 950  1050
Wire Wire Line
	1550 1050 1600 1050
Wire Wire Line
	1100 850  850  850 
Wire Wire Line
	850  850  850  1050
$Comp
L Device:D_Schottky_Small_ALT D1
U 1 1 601C7C08
P 2900 950
F 0 "D1" H 2900 1100 50  0000 C BNN
F 1 "Schottky" H 2900 1050 50  0000 C CNN
F 2 "stdpads:D_SMA" V 2900 950 50  0001 C CNN
F 3 "~" V 2900 950 50  0001 C CNN
F 4 "C22452" H 2900 950 50  0001 C CNN "LCSC Part"
	1    2900 950 
	-1   0    0    -1  
$EndComp
Wire Wire Line
	2150 950  2450 950 
Connection ~ 1750 950 
Connection ~ 2150 1150
Wire Wire Line
	4250 950  4250 1650
Wire Wire Line
	4250 1650 2600 1650
Wire Wire Line
	2650 950  2800 950 
Wire Wire Line
	4500 950  4500 1100
Wire Wire Line
	3800 1450 4500 1450
Connection ~ 3800 1450
Wire Wire Line
	4500 1300 4500 1450
Connection ~ 4500 950 
Wire Notes Line
	8950 5050 8950 6450
Wire Notes Line
	4500 5050 8950 5050
Wire Notes Line
	6900 1900 9850 1900
Wire Notes Line
	9850 1900 9850 4550
Wire Notes Line
	9850 4550 6900 4550
Wire Notes Line
	6900 1900 6900 4550
Text Notes 8000 1850 0    50   ~ 0
ESP32 module
Wire Notes Line
	2450 5700 1100 5700
Text Notes 1250 5650 0    50   ~ 0
mounting holes & fiducials
$Comp
L Device:C_Small C3
U 1 1 63D71484
P 4500 1200
F 0 "C3" H 4600 1250 50  0000 L CNN
F 1 "10u" H 4600 1150 50  0000 L CNN
F 2 "stdpads:C_0805" H 4500 1200 50  0001 C CNN
F 3 "~" H 4500 1200 50  0001 C CNN
	1    4500 1200
	1    0    0    -1  
$EndComp
Wire Wire Line
	4250 950  4500 950 
Connection ~ 4250 950 
Wire Wire Line
	1550 950  1750 950 
Wire Wire Line
	1200 1850 1300 1850
Connection ~ 1750 1650
Connection ~ 1350 1650
Connection ~ 1750 1850
$Comp
L power:GND #PWR0116
U 1 1 62B86E0B
P 1750 1850
F 0 "#PWR0116" H 1750 1600 50  0001 C CNN
F 1 "GND" H 1750 1700 50  0000 C CNN
F 2 "" H 1750 1850 50  0001 C CNN
F 3 "" H 1750 1850 50  0001 C CNN
	1    1750 1850
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C13
U 1 1 62A924D3
P 1350 1750
F 0 "C13" H 1442 1796 50  0000 L CNN
F 1 "2u2" H 1442 1705 50  0000 L CNN
F 2 "stdpads:C_0603" H 1350 1750 50  0001 C CNN
F 3 "~" H 1350 1750 50  0001 C CNN
	1    1350 1750
	1    0    0    -1  
$EndComp
$Comp
L Device:Ferrite_Bead_Small FB2
U 1 1 62A924D9
P 1650 1650
F 0 "FB2" V 1450 1650 50  0000 C CNN
F 1 "GZ2012D101TF" V 1550 1750 50  0000 C BNN
F 2 "stdpads:Murata_BLM21" V 1580 1650 50  0001 C CNN
F 3 "~" H 1650 1650 50  0001 C CNN
F 4 "C1015" V 1650 1650 50  0001 C CNN "LCSC Part"
	1    1650 1650
	0    -1   1    0   
$EndComp
$Comp
L Device:C_Small C14
U 1 1 62A924DF
P 1750 1750
F 0 "C14" H 1842 1796 50  0000 L CNN
F 1 "2u2" H 1842 1705 50  0000 L CNN
F 2 "stdpads:C_0603" H 1750 1750 50  0001 C CNN
F 3 "~" H 1750 1750 50  0001 C CNN
	1    1750 1750
	1    0    0    -1  
$EndComp
Wire Wire Line
	1350 1650 1550 1650
Wire Wire Line
	1350 1850 1750 1850
Connection ~ 900  2250
NoConn ~ 1200 2050
$Comp
L Connector:USB_B_Micro J2
U 1 1 5F68DBCE
P 900 1850
F 0 "J2" H 900 2250 50  0000 C BNN
F 1 "microUSB" H 900 2200 50  0000 C CNN
F 2 "stdpads:USB_Micro-B_ShouHan_MicroXNJ" H 1050 1800 50  0001 C CNN
F 3 "~" H 1050 1800 50  0001 C CNN
F 4 "C404969" H 900 1850 50  0001 C CNN "LCSC Part"
	1    900  1850
	1    0    0    -1  
$EndComp
Wire Wire Line
	800  2250 900  2250
$Comp
L power:GND #PWR0117
U 1 1 5F68EFF2
P 900 2250
F 0 "#PWR0117" H 900 2000 50  0001 C CNN
F 1 "GND" H 900 2100 50  0000 C CNN
F 2 "" H 900 2250 50  0001 C CNN
F 3 "" H 900 2250 50  0001 C CNN
	1    900  2250
	1    0    0    -1  
$EndComp
Wire Wire Line
	1750 1650 2050 1650
Wire Wire Line
	2300 1650 2400 1650
Wire Wire Line
	2250 1650 2300 1650
Connection ~ 2300 1650
Wire Wire Line
	2300 1250 2300 1650
Wire Wire Line
	1200 1650 1350 1650
Wire Notes Line
	2700 5050 2700 5850
Wire Wire Line
	2900 4950 2900 5200
$Comp
L Mechanical:Fiducial FID1
U 1 1 5CC47A28
P 1250 6500
F 0 "FID1" H 1350 6546 50  0000 L CNN
F 1 "Fiducial" H 1350 6455 50  0000 L CNN
F 2 "stdpads:Fiducial" H 1250 6500 50  0001 C CNN
F 3 "~" H 1250 6500 50  0001 C CNN
	1    1250 6500
	1    0    0    -1  
$EndComp
$Comp
L Mechanical:Fiducial FID4
U 1 1 5CC4DBDF
P 1900 6700
F 0 "FID4" H 2000 6746 50  0000 L CNN
F 1 "Fiducial" H 2000 6655 50  0000 L CNN
F 2 "stdpads:Fiducial" H 1900 6700 50  0001 C CNN
F 3 "~" H 1900 6700 50  0001 C CNN
	1    1900 6700
	1    0    0    -1  
$EndComp
$Comp
L Mechanical:Fiducial FID2
U 1 1 5CC4921D
P 1900 6500
F 0 "FID2" H 2000 6546 50  0000 L CNN
F 1 "Fiducial" H 2000 6455 50  0000 L CNN
F 2 "stdpads:Fiducial" H 1900 6500 50  0001 C CNN
F 3 "~" H 1900 6500 50  0001 C CNN
	1    1900 6500
	1    0    0    -1  
$EndComp
$Comp
L Mechanical:Fiducial FID3
U 1 1 5CC4DBD8
P 1250 6700
F 0 "FID3" H 1350 6746 50  0000 L CNN
F 1 "Fiducial" H 1350 6655 50  0000 L CNN
F 2 "stdpads:Fiducial" H 1250 6700 50  0001 C CNN
F 3 "~" H 1250 6700 50  0001 C CNN
	1    1250 6700
	1    0    0    -1  
$EndComp
Wire Notes Line
	1100 6900 2450 6900
Wire Notes Line
	2450 5700 2450 6900
Wire Notes Line
	1100 5700 1100 6900
Text Notes 2900 7100 0    50   ~ 0
bypass capacitance
Wire Notes Line
	1100 7850 6150 7850
Wire Notes Line
	6150 7850 6150 7150
Wire Notes Line
	1100 7150 1100 7850
Wire Notes Line
	1100 7150 6150 7150
$Comp
L Device:C_Small C20
U 1 1 634290FE
P 4150 7500
F 0 "C20" H 4200 7550 50  0000 L CNN
F 1 "2u2" H 4200 7450 50  0000 L CNN
F 2 "stdpads:C_0603" H 4150 7500 50  0001 C CNN
F 3 "~" H 4150 7500 50  0001 C CNN
	1    4150 7500
	1    0    0    -1  
$EndComp
Connection ~ 4150 7600
$Comp
L Device:C_Small C23
U 1 1 63429105
P 5350 7500
F 0 "C23" H 5400 7550 50  0000 L CNN
F 1 "2u2" H 5400 7450 50  0000 L CNN
F 2 "stdpads:C_0603" H 5350 7500 50  0001 C CNN
F 3 "~" H 5350 7500 50  0001 C CNN
	1    5350 7500
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C19
U 1 1 63429111
P 3750 7500
F 0 "C19" H 3800 7550 50  0000 L CNN
F 1 "2u2" H 3800 7450 50  0000 L CNN
F 2 "stdpads:C_0603" H 3750 7500 50  0001 C CNN
F 3 "~" H 3750 7500 50  0001 C CNN
	1    3750 7500
	1    0    0    -1  
$EndComp
Wire Wire Line
	3750 7600 4150 7600
Connection ~ 3750 7600
Wire Wire Line
	3750 7400 4150 7400
Connection ~ 3750 7400
$Comp
L Device:C_Small C22
U 1 1 6342911B
P 4950 7500
F 0 "C22" H 5000 7550 50  0000 L CNN
F 1 "2u2" H 5000 7450 50  0000 L CNN
F 2 "stdpads:C_0603" H 4950 7500 50  0001 C CNN
F 3 "~" H 4950 7500 50  0001 C CNN
	1    4950 7500
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR0121
U 1 1 63429121
P 1750 7400
F 0 "#PWR0121" H 1750 7250 50  0001 C CNN
F 1 "+3V3" H 1750 7550 50  0000 C CNN
F 2 "" H 1750 7400 50  0001 C CNN
F 3 "" H 1750 7400 50  0001 C CNN
	1    1750 7400
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C18
U 1 1 63429128
P 3350 7500
F 0 "C18" H 3400 7550 50  0000 L CNN
F 1 "2u2" H 3400 7450 50  0000 L CNN
F 2 "stdpads:C_0603" H 3350 7500 50  0001 C CNN
F 3 "~" H 3350 7500 50  0001 C CNN
	1    3350 7500
	1    0    0    -1  
$EndComp
Wire Wire Line
	3350 7600 3750 7600
Connection ~ 3350 7600
Wire Wire Line
	3350 7400 3750 7400
Connection ~ 3350 7400
$Comp
L Device:C_Small C21
U 1 1 63429134
P 4550 7500
F 0 "C21" H 4600 7550 50  0000 L CNN
F 1 "2u2" H 4600 7450 50  0000 L CNN
F 2 "stdpads:C_0603" H 4550 7500 50  0001 C CNN
F 3 "~" H 4550 7500 50  0001 C CNN
	1    4550 7500
	1    0    0    -1  
$EndComp
Connection ~ 4550 7600
$Comp
L Device:C_Small C24
U 1 1 6350ED70
P 5750 7500
F 0 "C24" H 5800 7550 50  0000 L CNN
F 1 "2u2" H 5800 7450 50  0000 L CNN
F 2 "stdpads:C_0603" H 5750 7500 50  0001 C CNN
F 3 "~" H 5750 7500 50  0001 C CNN
	1    5750 7500
	1    0    0    -1  
$EndComp
Wire Wire Line
	4150 7600 4550 7600
Wire Wire Line
	4150 7400 4550 7400
Connection ~ 4150 7400
Connection ~ 4550 7400
$Comp
L power:+5V #PWR0122
U 1 1 63D02293
P 1350 7400
F 0 "#PWR0122" H 1350 7250 50  0001 C CNN
F 1 "+5V" H 1350 7550 50  0000 C CNN
F 2 "" H 1350 7400 50  0001 C CNN
F 3 "" H 1350 7400 50  0001 C CNN
	1    1350 7400
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0123
U 1 1 63DE262C
P 5750 7600
F 0 "#PWR0123" H 5750 7350 50  0001 C CNN
F 1 "GND" H 5750 7450 50  0000 C CNN
F 2 "" H 5750 7600 50  0001 C CNN
F 3 "" H 5750 7600 50  0001 C CNN
	1    5750 7600
	-1   0    0    -1  
$EndComp
Wire Wire Line
	4900 950  4900 1100
Wire Wire Line
	4900 1300 4900 1450
$Comp
L Device:C_Small C4
U 1 1 63D71822
P 4900 1200
F 0 "C4" H 5000 1250 50  0000 L CNN
F 1 "2u2" H 5000 1150 50  0000 L CNN
F 2 "stdpads:C_0603" H 4900 1200 50  0001 C CNN
F 3 "~" H 4900 1200 50  0001 C CNN
	1    4900 1200
	1    0    0    -1  
$EndComp
Wire Wire Line
	4900 950  4500 950 
Wire Wire Line
	4500 1450 4900 1450
Connection ~ 4500 1450
Text Notes 6250 650  0    50   ~ 0
3.3V switching regulator
Wire Notes Line
	8500 700  8500 1550
Wire Wire Line
	5900 1450 5900 1350
$Comp
L Device:C_Small C7
U 1 1 60987792
P 6400 950
F 0 "C7" V 6250 950 50  0000 C BNN
F 1 "100n" V 6300 950 50  0000 C CNN
F 2 "stdpads:C_0603" H 6400 950 50  0001 C CNN
F 3 "~" H 6400 950 50  0001 C CNN
	1    6400 950 
	0    1    1    0   
$EndComp
Wire Wire Line
	7150 1400 7150 1450
Wire Wire Line
	7150 1150 7150 1200
$Comp
L Device:L_Small L1
U 1 1 5F62648E
P 7000 950
F 0 "L1" V 7050 950 50  0000 C CNN
F 1 "2u2" V 6950 950 50  0000 C CNN
F 2 "stdpads:Sunlord_MWSA0402" H 7000 950 50  0001 C CNN
F 3 "~" H 7000 950 50  0001 C CNN
F 4 "C408335" H 7000 950 50  0001 C CNN "LCSC Part"
	1    7000 950 
	0    -1   -1   0   
$EndComp
$Comp
L Device:C_Small C5
U 1 1 5F6381A0
P 7750 1200
F 0 "C5" H 7850 1250 50  0000 L CNN
F 1 "10u" H 7850 1150 50  0000 L CNN
F 2 "stdpads:C_0805" H 7750 1200 50  0001 C CNN
F 3 "~" H 7750 1200 50  0001 C CNN
	1    7750 1200
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C6
U 1 1 5F640CE3
P 8150 1200
F 0 "C6" H 8250 1250 50  0000 L CNN
F 1 "10u" H 8250 1150 50  0000 L CNN
F 2 "stdpads:C_0805" H 8150 1200 50  0001 C CNN
F 3 "~" H 8150 1200 50  0001 C CNN
	1    8150 1200
	1    0    0    -1  
$EndComp
Wire Wire Line
	7100 950  7150 950 
$Comp
L Device:R_Small R1
U 1 1 5F62F667
P 7150 1050
F 0 "R1" H 7209 1096 50  0000 L CNN
F 1 "124k" H 7209 1005 50  0000 L CNN
F 2 "stdpads:R_0603" H 7150 1050 50  0001 C CNN
F 3 "~" H 7150 1050 50  0001 C CNN
	1    7150 1050
	1    0    0    -1  
$EndComp
Connection ~ 7150 1150
Wire Wire Line
	8150 950  8150 1100
Wire Wire Line
	7750 1100 7750 950 
Connection ~ 7750 950 
Wire Wire Line
	7750 950  8150 950 
Wire Wire Line
	7750 1300 7750 1450
Connection ~ 7750 1450
Wire Wire Line
	7750 1450 8150 1450
Wire Wire Line
	8150 1300 8150 1450
$Comp
L Device:R_Small R3
U 1 1 5F62FAAA
P 7150 1300
F 0 "R3" H 7209 1346 50  0000 L CNN
F 1 "40.2k" H 7209 1255 50  0000 L CNN
F 2 "stdpads:R_0603" H 7150 1300 50  0001 C CNN
F 3 "~" H 7150 1300 50  0001 C CNN
	1    7150 1300
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR0124
U 1 1 6376F60B
P 8150 950
F 0 "#PWR0124" H 8150 800 50  0001 C CNN
F 1 "+3V3" H 8150 1100 50  0000 C CNN
F 2 "" H 8150 950 50  0001 C CNN
F 3 "" H 8150 950 50  0001 C CNN
	1    8150 950 
	1    0    0    -1  
$EndComp
Connection ~ 8150 950 
$Comp
L power:GND #PWR0125
U 1 1 6377098B
P 8300 1300
F 0 "#PWR0125" H 8300 1050 50  0001 C CNN
F 1 "GND" H 8300 1150 50  0000 C CNN
F 2 "" H 8300 1300 50  0001 C CNN
F 3 "" H 8300 1300 50  0001 C CNN
	1    8300 1300
	1    0    0    -1  
$EndComp
Wire Wire Line
	8300 1300 8200 1300
Wire Wire Line
	8200 1300 8200 1450
Connection ~ 8150 1450
Wire Wire Line
	8200 1450 8150 1450
Wire Wire Line
	6300 1050 6550 1050
Wire Wire Line
	6550 1050 6550 950 
Wire Wire Line
	6600 950  6550 950 
Wire Wire Line
	6550 950  6500 950 
Connection ~ 6550 950 
Wire Notes Line
	4350 700  8500 700 
Wire Notes Line
	8500 1550 4350 1550
Wire Wire Line
	2950 4450 2900 4450
Wire Wire Line
	2900 4950 2900 4450
Connection ~ 2900 4950
$Comp
L Device:C_Small C10
U 1 1 60FCA57A
P 7450 1050
F 0 "C10" H 7550 1100 50  0000 L CNN
F 1 "33p" H 7550 1000 50  0000 L CNN
F 2 "stdpads:C_0603" H 7450 1050 50  0001 C CNN
F 3 "~" H 7450 1050 50  0001 C CNN
	1    7450 1050
	1    0    0    -1  
$EndComp
Wire Wire Line
	7450 950  7750 950 
Connection ~ 7450 950 
Wire Wire Line
	7150 950  7450 950 
Connection ~ 7150 950 
Wire Wire Line
	7150 1150 7450 1150
Wire Wire Line
	7150 1450 7750 1450
Connection ~ 7150 1450
$Comp
L power:GND #PWR0128
U 1 1 6210A1CA
P 1300 4550
F 0 "#PWR0128" H 1300 4300 50  0001 C CNN
F 1 "GND" H 1300 4400 50  0000 C CNN
F 2 "" H 1300 4550 50  0001 C CNN
F 3 "" H 1300 4550 50  0001 C CNN
	1    1300 4550
	-1   0    0    -1  
$EndComp
$Comp
L Switch:SW_Push SW1
U 1 1 6210906E
P 1400 4850
F 0 "SW1" H 1400 4750 50  0000 C BNN
F 1 "SW_Push" H 1400 4700 50  0000 C CNN
F 2 "stdpads:XKB_TS-1187A" H 1400 5050 50  0001 C CNN
F 3 "~" H 1400 5050 50  0001 C CNN
F 4 "C480267" H 1400 4850 50  0001 C CNN "LCSC Part"
	1    1400 4850
	-1   0    0    -1  
$EndComp
Wire Wire Line
	1600 4850 1700 4850
Wire Wire Line
	1700 4750 1700 4850
$Comp
L power:+3V3 #PWR0129
U 1 1 621C26D4
P 1700 4550
F 0 "#PWR0129" H 1700 4400 50  0001 C CNN
F 1 "+3V3" H 1700 4700 50  0000 C CNN
F 2 "" H 1700 4550 50  0001 C CNN
F 3 "" H 1700 4550 50  0001 C CNN
	1    1700 4550
	-1   0    0    -1  
$EndComp
Wire Wire Line
	1700 4850 2350 4850
Connection ~ 1700 4850
Text Label 2350 4850 2    50   ~ 0
BTN0
Wire Wire Line
	1200 4850 1200 4550
Wire Wire Line
	1200 4550 1300 4550
Wire Notes Line
	2450 5450 2450 4300
Wire Notes Line
	1100 4300 2450 4300
Wire Notes Line
	1100 5450 2450 5450
Wire Notes Line
	1100 4300 1100 5450
$Comp
L Device:R_Small R10
U 1 1 615C9E3F
P 1300 3750
F 0 "R10" H 1250 3800 50  0000 R CNN
F 1 "100" H 1250 3700 50  0000 R CNN
F 2 "stdpads:R_0805" H 1300 3750 50  0001 C CNN
F 3 "~" H 1300 3750 50  0001 C CNN
	1    1300 3750
	-1   0    0    -1  
$EndComp
$Comp
L Device:R_Small R11
U 1 1 615CA9E5
P 1700 3750
F 0 "R11" H 1650 3800 50  0000 R CNN
F 1 "100" H 1650 3700 50  0000 R CNN
F 2 "stdpads:R_0805" H 1700 3750 50  0001 C CNN
F 3 "~" H 1700 3750 50  0001 C CNN
	1    1700 3750
	-1   0    0    -1  
$EndComp
Wire Wire Line
	1300 3450 1700 3450
Wire Wire Line
	1700 3450 2100 3450
Connection ~ 1700 3450
Wire Notes Line
	1100 3200 2450 3200
$Comp
L Device:LED_Small_ALT D3
U 1 1 615BEC74
P 1300 3550
F 0 "D3" V 1346 3482 50  0000 R CNN
F 1 "Red" V 1255 3482 50  0000 R CNN
F 2 "LED_SMD:LED_0805_2012Metric" V 1300 3550 50  0001 C CNN
F 3 "~" V 1300 3550 50  0001 C CNN
F 4 "C84256" H 1300 3550 50  0001 C CNN "LCSC Part"
	1    1300 3550
	0    -1   -1   0   
$EndComp
$Comp
L Device:LED_Small_ALT D4
U 1 1 615BF67D
P 1700 3550
F 0 "D4" V 1746 3482 50  0000 R CNN
F 1 "Green" V 1655 3482 50  0000 R CNN
F 2 "LED_SMD:LED_0805_2012Metric" V 1700 3550 50  0001 C CNN
F 3 "~" V 1700 3550 50  0001 C CNN
F 4 "C2297" H 1700 3550 50  0001 C CNN "LCSC Part"
	1    1700 3550
	0    -1   -1   0   
$EndComp
$Comp
L Device:R_Small R12
U 1 1 615D49FB
P 2100 3750
F 0 "R12" H 2050 3800 50  0000 R CNN
F 1 "100" H 2050 3700 50  0000 R CNN
F 2 "stdpads:R_0805" H 2100 3750 50  0001 C CNN
F 3 "~" H 2100 3750 50  0001 C CNN
	1    2100 3750
	-1   0    0    -1  
$EndComp
Text Label 1550 3950 2    50   ~ 0
RLED
Text Label 1950 3950 2    50   ~ 0
GLED
Text Label 2350 3950 2    50   ~ 0
BLED
Wire Wire Line
	1550 3950 1300 3950
Wire Wire Line
	1300 3950 1300 3850
Wire Wire Line
	1950 3950 1700 3950
Wire Wire Line
	1700 3950 1700 3850
Wire Wire Line
	2350 3950 2100 3950
Wire Wire Line
	2100 3950 2100 3850
Wire Notes Line
	1100 3200 1100 4050
Wire Notes Line
	2450 4050 2450 3200
Wire Notes Line
	1100 4050 2450 4050
Text Notes 1650 4250 0    50   ~ 0
Buttons
$Comp
L Device:R_Small R17
U 1 1 610AE256
P 1700 4650
F 0 "R17" H 1750 4700 50  0000 L CNN
F 1 "1k" H 1750 4600 50  0000 L CNN
F 2 "stdpads:R_0603" H 1700 4650 50  0001 C CNN
F 3 "~" H 1700 4650 50  0001 C CNN
	1    1700 4650
	1    0    0    -1  
$EndComp
Text Notes 3250 5000 0    50   ~ 0
ADB output driver
$Comp
L power:GND #PWR0130
U 1 1 5FBC22A4
P 3450 5600
F 0 "#PWR0130" H 3450 5350 50  0001 C CNN
F 1 "GND" H 3450 5450 50  0000 C CNN
F 2 "" H 3450 5600 50  0001 C CNN
F 3 "" H 3450 5600 50  0001 C CNN
	1    3450 5600
	-1   0    0    -1  
$EndComp
$Comp
L Device:R_Small R25
U 1 1 5FBC4295
P 3750 5500
F 0 "R25" H 3700 5550 50  0000 R CNN
F 1 "1k" H 3700 5450 50  0000 R CNN
F 2 "stdpads:R_0603" H 3750 5500 50  0001 C CNN
F 3 "~" H 3750 5500 50  0001 C CNN
	1    3750 5500
	-1   0    0    -1  
$EndComp
$Comp
L Device:R_Small R20
U 1 1 5FBC46A3
P 3750 5300
F 0 "R20" H 3800 5350 50  0000 L CNN
F 1 "1k" H 3800 5250 50  0000 L CNN
F 2 "stdpads:R_0603" H 3750 5300 50  0001 C CNN
F 3 "~" H 3750 5300 50  0001 C CNN
	1    3750 5300
	1    0    0    -1  
$EndComp
Wire Wire Line
	3750 5600 3450 5600
Text Label 4150 5200 2    50   ~ 0
ADBout
Wire Notes Line
	2700 5850 4250 5850
Wire Notes Line
	4250 5050 4250 5850
Wire Wire Line
	3400 5200 3450 5200
Wire Wire Line
	4150 5200 3750 5200
Wire Notes Line
	2700 5050 4250 5050
$Comp
L Device:R_Small R19
U 1 1 6083D9FF
P 3300 5200
F 0 "R19" V 3250 5200 50  0000 C BNN
F 1 "27" V 3150 5200 50  0000 C CNN
F 2 "stdpads:R_0603" H 3300 5200 50  0001 C CNN
F 3 "~" H 3300 5200 50  0001 C CNN
	1    3300 5200
	0    -1   -1   0   
$EndComp
Wire Wire Line
	2900 5200 3200 5200
$Comp
L Transistor_BJT:MMBT3904 Q2
U 1 1 61395444
P 3550 5400
F 0 "Q2" H 3700 5300 50  0000 L BNN
F 1 "MMBT3904" H 3700 5250 50  0000 L CNN
F 2 "stdpads:SOT-23" H 3750 5500 50  0001 C CNN
F 3 "~" H 3550 5400 50  0001 C CNN
F 4 "C20526" H 3550 5400 50  0001 C CNN "LCSC Part"
	1    3550 5400
	-1   0    0    -1  
$EndComp
Connection ~ 3750 5400
Connection ~ 3450 5600
Wire Wire Line
	2900 6250 3200 6250
$Comp
L Device:R_Small R30
U 1 1 60D30F47
P 3300 6250
F 0 "R30" V 3250 6250 50  0000 C BNN
F 1 "27" V 3150 6250 50  0000 C CNN
F 2 "stdpads:R_0603" H 3300 6250 50  0001 C CNN
F 3 "~" H 3300 6250 50  0001 C CNN
	1    3300 6250
	0    -1   -1   0   
$EndComp
$Comp
L Transistor_BJT:MMBT3904 Q3
U 1 1 60D30F2B
P 3550 6450
F 0 "Q3" H 3700 6350 50  0000 L BNN
F 1 "MMBT3904" H 3700 6300 50  0000 L CNN
F 2 "stdpads:SOT-23" H 3750 6550 50  0001 C CNN
F 3 "~" H 3550 6450 50  0001 C CNN
F 4 "C20526" H 3550 6450 50  0001 C CNN "LCSC Part"
	1    3550 6450
	-1   0    0    -1  
$EndComp
Text Notes 3100 6050 0    50   ~ 0
PSW (power button) output
Text Label 2900 6250 0    50   ~ 0
PSW
Wire Wire Line
	4150 6250 3750 6250
Wire Wire Line
	3400 6250 3450 6250
Wire Notes Line
	2700 6100 2700 6900
Wire Notes Line
	4250 6100 4250 6900
Wire Notes Line
	2700 6100 4250 6100
Wire Notes Line
	2700 6900 4250 6900
Text Label 4150 6250 2    50   ~ 0
PSWout
Connection ~ 3450 6650
Wire Wire Line
	3750 6650 3450 6650
Connection ~ 3750 6450
$Comp
L Device:R_Small R31
U 1 1 60D30F3D
P 3750 6350
F 0 "R31" H 3800 6400 50  0000 L CNN
F 1 "1k" H 3800 6300 50  0000 L CNN
F 2 "stdpads:R_0603" H 3750 6350 50  0001 C CNN
F 3 "~" H 3750 6350 50  0001 C CNN
	1    3750 6350
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R32
U 1 1 60D30F37
P 3750 6550
F 0 "R32" H 3700 6600 50  0000 R CNN
F 1 "1k" H 3700 6500 50  0000 R CNN
F 2 "stdpads:R_0603" H 3750 6550 50  0001 C CNN
F 3 "~" H 3750 6550 50  0001 C CNN
	1    3750 6550
	-1   0    0    -1  
$EndComp
$Comp
L power:GND #PWR0131
U 1 1 60D30F31
P 3450 6650
F 0 "#PWR0131" H 3450 6400 50  0001 C CNN
F 1 "GND" H 3450 6500 50  0000 C CNN
F 2 "" H 3450 6650 50  0001 C CNN
F 3 "" H 3450 6650 50  0001 C CNN
	1    3450 6650
	-1   0    0    -1  
$EndComp
Text Label 2700 4950 0    50   ~ 0
ADB
Wire Wire Line
	2700 4950 2900 4950
Text Label 1300 1850 2    50   ~ 0
D+
Text Label 1300 1950 2    50   ~ 0
D-
Wire Wire Line
	1200 1950 1300 1950
Wire Wire Line
	1600 1250 1600 1050
Wire Wire Line
	1600 1250 1400 1250
Text Label 1400 1250 0    50   ~ 0
ADB
$Comp
L Device:R_Small R6
U 1 1 617A9FF7
P 3150 2350
F 0 "R6" H 3209 2396 50  0000 L CNN
F 1 "DNP" H 3209 2305 50  0000 L CNN
F 2 "stdpads:R_0603" H 3150 2350 50  0001 C CNN
F 3 "~" H 3150 2350 50  0001 C CNN
	1    3150 2350
	1    0    0    -1  
$EndComp
$Comp
L Device:LED_Small_ALT D5
U 1 1 615BF820
P 2100 3550
F 0 "D5" V 2146 3482 50  0000 R CNN
F 1 "Yellow" V 2055 3482 50  0000 R CNN
F 2 "LED_SMD:LED_0805_2012Metric" V 2100 3550 50  0001 C CNN
F 3 "~" V 2100 3550 50  0001 C CNN
F 4 "C2296" H 2100 3550 50  0001 C CNN "LCSC Part"
	1    2100 3550
	0    -1   -1   0   
$EndComp
$Comp
L GW_Power:MP2451 U3
U 1 1 6091401B
P 5900 1050
F 0 "U3" H 5900 1150 50  0000 C CNN
F 1 "MP2451DT" H 5900 1300 50  0000 C CNN
F 2 "stdpads:SOT-23-6" H 6600 800 50  0001 C CNN
F 3 "http://www.aosmd.com/res/data_sheets/AOZ1282CI-1.pdf" H 5650 800 50  0001 C CNN
F 4 "C14123" H 5900 1050 50  0001 C CNN "LCSC Part"
	1    5900 1050
	1    0    0    -1  
$EndComp
$Comp
L Transistor_BJT:MMBT3904 Q5
U 1 1 619E3803
P 6000 2750
F 0 "Q5" H 6191 2796 50  0000 L CNN
F 1 "MMBT3904" H 6191 2705 50  0000 L CNN
F 2 "stdpads:SOT-23" H 6200 2850 50  0001 C CNN
F 3 "~" H 6000 2750 50  0001 C CNN
F 4 "C20526" H 6000 2750 50  0001 C CNN "LCSC Part"
	1    6000 2750
	1    0    0    1   
$EndComp
$Comp
L Device:Polyfuse_Small F1
U 1 1 615DEF01
P 2550 950
F 0 "F1" V 2650 950 50  0000 C CNN
F 1 "500mA" V 2450 950 50  0000 C CNN
F 2 "stdpads:BelFuse_1206" H 2600 750 50  0001 L CNN
F 3 "~" H 2550 950 50  0001 C CNN
F 4 "C69688" H 2550 950 50  0001 C CNN "LCSC Part"
	1    2550 950 
	0    -1   -1   0   
$EndComp
$Comp
L Device:R_Small R15
U 1 1 60A451D2
P 2900 5350
F 0 "R15" H 2959 5396 50  0000 L CNN
F 1 "22k" H 2959 5305 50  0000 L CNN
F 2 "stdpads:R_0603" H 2900 5350 50  0001 C CNN
F 3 "~" H 2900 5350 50  0001 C CNN
	1    2900 5350
	1    0    0    -1  
$EndComp
$Comp
L Device:Crystal_GND24_Small Y1
U 1 1 616F4596
P 3450 3050
F 0 "Y1" V 3400 3200 50  0000 L CNN
F 1 "12M" V 3500 3200 50  0000 L CNN
F 2 "stdpads:Crystal_SMD_3225-4Pin_3.2x2.5mm" H 3450 3050 50  0001 C CNN
F 3 "~" H 3450 3050 50  0001 C CNN
F 4 "C9002" H 3450 3050 50  0001 C CNN "LCSC Part"
	1    3450 3050
	0    -1   1    0   
$EndComp
Connection ~ 3450 2950
Wire Wire Line
	3450 2950 3650 2950
Wire Wire Line
	3550 2900 3550 3050
Connection ~ 3450 3150
Wire Wire Line
	3550 3150 3550 3100
Wire Wire Line
	3650 3100 3650 3150
Wire Wire Line
	3550 3150 3450 3150
$Comp
L power:GND #PWR0132
U 1 1 617AE2A9
P 3600 3150
F 0 "#PWR0132" H 3600 2900 50  0001 C CNN
F 1 "GND" H 3600 3000 50  0000 C CNN
F 2 "" H 3600 3150 50  0001 C CNN
F 3 "" H 3600 3150 50  0001 C CNN
	1    3600 3150
	1    0    0    -1  
$EndComp
Wire Wire Line
	3550 3100 3650 3100
Wire Wire Line
	3550 3050 3600 3050
Wire Wire Line
	3600 3050 3600 3150
Connection ~ 3550 3050
Wire Notes Line
	2700 1900 4850 1900
$Comp
L power:GND #PWR0111
U 1 1 6185B030
P 3000 2250
F 0 "#PWR0111" H 3000 2000 50  0001 C CNN
F 1 "GND" H 3000 2100 50  0000 C CNN
F 2 "" H 3000 2250 50  0001 C CNN
F 3 "" H 3000 2250 50  0001 C CNN
	1    3000 2250
	1    0    0    -1  
$EndComp
Wire Wire Line
	3350 2900 3550 2900
Wire Wire Line
	3350 3050 3350 2900
$Comp
L power:+3V3 #PWR0133
U 1 1 618C60F8
P 1700 3450
F 0 "#PWR0133" H 1700 3300 50  0001 C CNN
F 1 "+3V3" H 1700 3600 50  0000 C CNN
F 2 "" H 1700 3450 50  0001 C CNN
F 3 "" H 1700 3450 50  0001 C CNN
	1    1700 3450
	-1   0    0    -1  
$EndComp
Text Notes 1650 3150 0    50   ~ 0
LEDs
$Comp
L Mechanical:MountingHole H8
U 1 1 619AF49D
P 2150 6250
F 0 "H8" H 2250 6250 50  0000 L CNN
F 1 " " H 2250 6210 50  0000 L CNN
F 2 "stdpads:PasteHole_1.152mm_NPTH" H 2150 6250 50  0001 C CNN
F 3 "~" H 2150 6250 50  0001 C CNN
	1    2150 6250
	1    0    0    -1  
$EndComp
$Comp
L Mechanical:MountingHole H6
U 1 1 619AF497
P 1550 6250
F 0 "H6" H 1650 6250 50  0000 L CNN
F 1 " " H 1650 6210 50  0000 L CNN
F 2 "stdpads:PasteHole_1.152mm_NPTH" H 1550 6250 50  0001 C CNN
F 3 "~" H 1550 6250 50  0001 C CNN
	1    1550 6250
	1    0    0    -1  
$EndComp
$Comp
L Mechanical:MountingHole H5
U 1 1 619AF491
P 1250 6250
F 0 "H5" H 1350 6250 50  0000 L CNN
F 1 " " H 1350 6210 50  0000 L CNN
F 2 "stdpads:PasteHole_1.152mm_NPTH" H 1250 6250 50  0001 C CNN
F 3 "~" H 1250 6250 50  0001 C CNN
	1    1250 6250
	1    0    0    -1  
$EndComp
$Comp
L Mechanical:MountingHole H7
U 1 1 619AF48B
P 1850 6250
F 0 "H7" H 1950 6250 50  0000 L CNN
F 1 " " H 1950 6210 50  0000 L CNN
F 2 "stdpads:PasteHole_1.152mm_NPTH" H 1850 6250 50  0001 C CNN
F 3 "~" H 1850 6250 50  0001 C CNN
	1    1850 6250
	1    0    0    -1  
$EndComp
$Comp
L Mechanical:MountingHole_Pad H4
U 1 1 5CC7E0C0
P 2150 5900
F 0 "H4" H 2250 5950 50  0000 L CNN
F 1 " " H 2250 5860 50  0000 L CNN
F 2 "stdpads:LPSeries-Screw" H 2150 5900 50  0001 C CNN
F 3 "~" H 2150 5900 50  0001 C CNN
	1    2150 5900
	1    0    0    -1  
$EndComp
$Comp
L Mechanical:MountingHole_Pad H2
U 1 1 5CC795A2
P 1550 5900
F 0 "H2" H 1650 5950 50  0000 L CNN
F 1 " " H 1650 5860 50  0000 L CNN
F 2 "stdpads:LPSeries-Screw" H 1550 5900 50  0001 C CNN
F 3 "~" H 1550 5900 50  0001 C CNN
	1    1550 5900
	1    0    0    -1  
$EndComp
$Comp
L Mechanical:MountingHole_Pad H1
U 1 1 5CC53461
P 1250 5900
F 0 "H1" H 1350 5950 50  0000 L CNN
F 1 " " H 1350 5860 50  0000 L CNN
F 2 "stdpads:LPSeries-Screw" H 1250 5900 50  0001 C CNN
F 3 "~" H 1250 5900 50  0001 C CNN
	1    1250 5900
	1    0    0    -1  
$EndComp
$Comp
L Mechanical:MountingHole_Pad H3
U 1 1 5CC7E0B9
P 1850 5900
F 0 "H3" H 1950 5950 50  0000 L CNN
F 1 " " H 1950 5860 50  0000 L CNN
F 2 "stdpads:LPSeries-Screw" H 1850 5900 50  0001 C CNN
F 3 "~" H 1850 5900 50  0001 C CNN
	1    1850 5900
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0134
U 1 1 601DCB46
P 900 1150
F 0 "#PWR0134" H 900 900 50  0001 C CNN
F 1 "GND" H 900 1000 50  0000 C CNN
F 2 "" H 900 1150 50  0001 C CNN
F 3 "" H 900 1150 50  0001 C CNN
	1    900  1150
	1    0    0    -1  
$EndComp
Connection ~ 900  1150
Wire Wire Line
	2150 6000 1850 6000
Connection ~ 2150 6000
Connection ~ 1550 6000
Wire Wire Line
	1550 6000 1250 6000
Connection ~ 1850 6000
Wire Wire Line
	1850 6000 1550 6000
Wire Wire Line
	2150 6000 2250 5950
$Comp
L power:GND #PWR0135
U 1 1 602195C0
P 2250 5950
F 0 "#PWR0135" H 2250 5700 50  0001 C CNN
F 1 "GND" H 2250 5800 50  0000 C CNN
F 2 "" H 2250 5950 50  0001 C CNN
F 3 "" H 2250 5950 50  0001 C CNN
	1    2250 5950
	-1   0    0    -1  
$EndComp
Text Label 9450 2900 0    50   ~ 0
BTN0
NoConn ~ 9450 3400
NoConn ~ 9450 3500
Text Label 9450 3100 0    50   ~ 0
BLED
Text Label 9450 3200 0    50   ~ 0
GLED
Text Label 9450 3300 0    50   ~ 0
RLED
Text Label 6400 3800 2    50   ~ 0
ADBin
Text Label 6400 3900 2    50   ~ 0
ADBout
Text Label 6400 4000 2    50   ~ 0
PSWout
Wire Wire Line
	3400 950  4250 950 
Wire Wire Line
	2300 1650 2300 1800
$Comp
L Device:C_Small C2
U 1 1 6025CBD6
P 1750 7500
F 0 "C2" H 1800 7550 50  0000 L CNN
F 1 "100u" H 1800 7450 50  0000 L CNN
F 2 "stdpads:C_1210" H 1750 7500 50  0001 C CNN
F 3 "~" H 1750 7500 50  0001 C CNN
	1    1750 7500
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C11
U 1 1 6025CF77
P 2150 7500
F 0 "C11" H 2200 7550 50  0000 L CNN
F 1 "100u" H 2200 7450 50  0000 L CNN
F 2 "stdpads:C_1210" H 2150 7500 50  0001 C CNN
F 3 "~" H 2150 7500 50  0001 C CNN
	1    2150 7500
	1    0    0    -1  
$EndComp
Wire Wire Line
	4550 7600 4950 7600
Wire Wire Line
	4550 7400 4950 7400
Connection ~ 4950 7400
Wire Wire Line
	4950 7400 5350 7400
Connection ~ 4950 7600
Wire Wire Line
	4950 7600 5350 7600
Connection ~ 5350 7400
Wire Wire Line
	5350 7400 5750 7400
Connection ~ 5350 7600
Wire Wire Line
	5350 7600 5750 7600
Connection ~ 5750 7600
Wire Wire Line
	1350 7600 1750 7600
Connection ~ 1750 7400
Connection ~ 1750 7600
Connection ~ 2150 7400
Wire Wire Line
	2150 7400 2550 7400
Connection ~ 2150 7600
Wire Wire Line
	2150 7600 2550 7600
Wire Wire Line
	1750 7400 2150 7400
Wire Wire Line
	1750 7600 2150 7600
$Comp
L Device:C_Small C25
U 1 1 602ABEE1
P 2550 7500
F 0 "C25" H 2600 7550 50  0000 L CNN
F 1 "100u" H 2600 7450 50  0000 L CNN
F 2 "stdpads:C_1210" H 2550 7500 50  0001 C CNN
F 3 "~" H 2550 7500 50  0001 C CNN
	1    2550 7500
	1    0    0    -1  
$EndComp
Connection ~ 2550 7400
Connection ~ 2550 7600
Wire Wire Line
	2550 7400 2950 7400
Wire Wire Line
	2550 7600 2950 7600
$Comp
L Device:C_Small C26
U 1 1 602C9E0E
P 2950 7500
F 0 "C26" H 3000 7550 50  0000 L CNN
F 1 "100u" H 3000 7450 50  0000 L CNN
F 2 "stdpads:C_1210" H 2950 7500 50  0001 C CNN
F 3 "~" H 2950 7500 50  0001 C CNN
	1    2950 7500
	1    0    0    -1  
$EndComp
Connection ~ 2950 7400
Wire Wire Line
	2950 7400 3350 7400
Connection ~ 2950 7600
Wire Wire Line
	2950 7600 3350 7600
$Comp
L Device:C_Small C1
U 1 1 602CA390
P 1350 7500
F 0 "C1" H 1400 7550 50  0000 L CNN
F 1 "100u" H 1400 7450 50  0000 L CNN
F 2 "stdpads:C_1210" H 1350 7500 50  0001 C CNN
F 3 "~" H 1350 7500 50  0001 C CNN
	1    1350 7500
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0107
U 1 1 602C7A4B
P 2300 2000
F 0 "#PWR0107" H 2300 1750 50  0001 C CNN
F 1 "GND" H 2300 1850 50  0000 C CNN
F 2 "" H 2300 2000 50  0001 C CNN
F 3 "" H 2300 2000 50  0001 C CNN
	1    2300 2000
	1    0    0    -1  
$EndComp
Wire Wire Line
	2300 1250 3200 1250
Wire Wire Line
	2900 5200 2900 5250
Connection ~ 2900 5200
$Comp
L power:GND #PWR0136
U 1 1 60326C84
P 2900 5450
F 0 "#PWR0136" H 2900 5200 50  0001 C CNN
F 1 "GND" H 2900 5300 50  0000 C CNN
F 2 "" H 2900 5450 50  0001 C CNN
F 3 "" H 2900 5450 50  0001 C CNN
	1    2900 5450
	-1   0    0    -1  
$EndComp
$Comp
L Device:R_Small R2
U 1 1 6035866C
P 5500 1050
F 0 "R2" H 5559 1096 50  0000 L CNN
F 1 "124k" H 5559 1005 50  0000 L CNN
F 2 "stdpads:R_0603" H 5500 1050 50  0001 C CNN
F 3 "~" H 5500 1050 50  0001 C CNN
	1    5500 1050
	-1   0    0    -1  
$EndComp
$Comp
L Device:R_Small R18
U 1 1 60358C43
P 5500 1300
F 0 "R18" H 5559 1346 50  0000 L CNN
F 1 "124k" H 5559 1255 50  0000 L CNN
F 2 "stdpads:R_0603" H 5500 1300 50  0001 C CNN
F 3 "~" H 5500 1300 50  0001 C CNN
	1    5500 1300
	-1   0    0    -1  
$EndComp
Wire Wire Line
	5500 1200 5500 1150
Connection ~ 5500 1150
Wire Wire Line
	5500 1400 5500 1450
Wire Wire Line
	5500 1450 5900 1450
Wire Wire Line
	6900 950  6600 950 
Connection ~ 6600 950 
Wire Wire Line
	6600 1150 6600 1450
Wire Wire Line
	6600 1450 7150 1450
Connection ~ 6600 1450
Wire Wire Line
	6300 1150 6350 1150
Wire Wire Line
	7100 1150 7150 1150
Wire Wire Line
	6350 1200 7100 1200
Wire Wire Line
	6350 1150 6350 1200
Wire Wire Line
	7100 1200 7100 1150
Wire Wire Line
	5900 1450 6600 1450
Connection ~ 5900 1450
$Comp
L Device:D_Schottky_Small_ALT D7
U 1 1 603DA193
P 6600 1050
F 0 "D7" V 6554 1118 50  0000 L CNN
F 1 "1N5819" V 6645 1118 50  0000 L CNN
F 2 "stdpads:D_SOD-123" V 6600 1050 50  0001 C CNN
F 3 "~" V 6600 1050 50  0001 C CNN
	1    6600 1050
	0    1    1    0   
$EndComp
Wire Wire Line
	4900 1450 5500 1450
Connection ~ 4900 1450
Connection ~ 5500 1450
Wire Wire Line
	5500 950  4900 950 
Connection ~ 5500 950 
Connection ~ 4900 950 
$Comp
L power:GND #PWR0105
U 1 1 601CD7C0
P 3250 4550
F 0 "#PWR0105" H 3250 4300 50  0001 C CNN
F 1 "GND" H 3250 4400 50  0000 C CNN
F 2 "" H 3250 4550 50  0001 C CNN
F 3 "" H 3250 4550 50  0001 C CNN
	1    3250 4550
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR0106
U 1 1 601D380C
P 3250 4350
F 0 "#PWR0106" H 3250 4200 50  0001 C CNN
F 1 "+3V3" H 3250 4500 50  0000 C CNN
F 2 "" H 3250 4350 50  0001 C CNN
F 3 "" H 3250 4350 50  0001 C CNN
	1    3250 4350
	-1   0    0    -1  
$EndComp
$Comp
L 74xGxx:74LVC1G14 U4
U 1 1 607ABB09
P 3250 4450
F 0 "U4" H 3350 4500 50  0000 C BNN
F 1 "74LVC1G14GW" H 3250 4350 50  0000 L CNN
F 2 "stdpads:SOT-353" H 3250 4450 50  0001 C CNN
F 3 "http://www.ti.com/lit/sg/scyt129e/scyt129e.pdf" H 3250 4450 50  0001 C CNN
F 4 "C265125" H 3250 4450 50  0001 C CNN "LCSC Part"
	1    3250 4450
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R16
U 1 1 60ECB303
P 3600 4450
F 0 "R16" V 3450 4450 50  0000 C CNN
F 1 "27" V 3550 4450 50  0000 C BNN
F 2 "stdpads:R_0603" H 3600 4450 50  0001 C CNN
F 3 "~" H 3600 4450 50  0001 C CNN
	1    3600 4450
	0    -1   1    0   
$EndComp
Text Label 3900 4450 2    50   ~ 0
ADBin
Wire Wire Line
	3900 4450 3700 4450
Text Notes 2800 4050 0    50   ~ 0
ADB input receiver & synchronizer
Wire Notes Line
	2700 4800 2700 4100
Wire Notes Line
	4250 4100 4250 4800
Wire Notes Line
	2700 4100 4250 4100
Wire Notes Line
	4250 4800 2700 4800
$EndSCHEMATC