key80/key80.sch

EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title "KEY80"
Date "2021-08-30"
Rev "1.03"
Comp "sweProj.com"
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L Device:Polyfuse F2
U 1 1 610EE853
P 4400 1400
F 0 "F2" V 4300 1400 50  0000 C CNN
F 1 "Polyfuse 0.5A" V 4500 1500 50  0000 C CNN
F 2 "key80:Fuse_1206_3216Metric" H 4450 1200 50  0001 L CNN
F 3 "" H 4400 1400 50  0001 C CNN
F 4 "C69680" H 3050 -100 50  0001 C CNN "LCSC"
F 5 "" H 3050 -100 50  0001 C CNN "MOUSER"
F 6 "" H 3050 -100 50  0001 C CNN "MPN"
	1    4400 1400
	0    1    1    0   
$EndComp
$Comp
L power:GND #PWR0136
U 1 1 5CC7520B
P 2900 2600
F 0 "#PWR0136" H 2900 2350 50  0001 C CNN
F 1 "GND" H 2905 2427 50  0000 C CNN
F 2 "" H 2900 2600 50  0001 C CNN
F 3 "" H 2900 2600 50  0001 C CNN
	1    2900 2600
	1    0    0    -1  
$EndComp
$Comp
L Connector:USB_A USB2
U 1 1 610EE858
P 2150 1800
F 0 "USB2" H 2150 3003 60  0000 C CNN
F 1 "CONNFLY_DS1095" H 2150 2897 60  0000 C CNN
F 2 "key80:USB_A_CONNFLY_DS1095-WNR0" H 2150 2791 60  0000 C CNN
F 3 "" H 1450 1850 60  0001 C CNN
F 4 "" H 2150 1800 50  0001 C CNN "LCSC"
	1    2150 1800
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C52
U 1 1 5E7FEAC9
P 4850 1650
F 0 "C52" H 4750 1750 50  0000 C CNN
F 1 "1uF" H 4750 1550 50  0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 4888 1500 50  0001 C CNN
F 3 "~" H 4850 1650 50  0001 C CNN
F 4 "C28323" H 3450 700 50  0001 C CNN "LCSC"
F 5 "" H 3450 700 50  0001 C CNN "MOUSER"
F 6 "" H 3450 700 50  0001 C CNN "MPN"
F 7 "" H 4850 1650 50  0001 C CNN "Supplier"
	1    4850 1650
	-1   0    0    -1  
$EndComp
$Comp
L power:GND #PWR0140
U 1 1 610EE85C
P 4850 1800
F 0 "#PWR0140" H 4850 1550 50  0001 C CNN
F 1 "GND" H 4855 1627 50  0000 C CNN
F 2 "" H 4850 1800 50  0001 C CNN
F 3 "" H 4850 1800 50  0001 C CNN
	1    4850 1800
	1    0    0    -1  
$EndComp
$Comp
L Power_Protection:USBLC6-2SC6 U8
U 1 1 610EE85E
P 3700 2400
AR Path="/610EE85E" Ref="U8"  Part="1" 
AR Path="/5E63B67F/610EE85E" Ref="U8"  Part="1" 
AR Path="/601569F0/610EE85E" Ref="U9"  Part="1" 
AR Path="/602159BB/610EE85E" Ref="U15"  Part="1" 
F 0 "U8" V 4050 2750 50  0000 R CNN
F 1 "USBLC6-2SC6" V 4050 2200 50  0000 R CNN
F 2 "Package_TO_SOT_SMD:SOT-23-6" H 2950 2800 50  0001 C CNN
F 3 "" H 3900 2750 50  0001 C CNN
F 4 "C7519" H 3700 2400 50  0001 C CNN "LCSC"
	1    3700 2400
	0    -1   -1   0   
$EndComp
Wire Wire Line
	2450 1800 3600 1800
Wire Wire Line
	3100 2900 3600 2900
$Comp
L power:GND #PWR0141
U 1 1 610EE85F
P 4200 2500
F 0 "#PWR0141" H 4200 2250 50  0001 C CNN
F 1 "GND" H 4205 2327 50  0000 C CNN
F 2 "" H 4200 2500 50  0001 C CNN
F 3 "" H 4200 2500 50  0001 C CNN
	1    4200 2500
	1    0    0    -1  
$EndComp
Wire Wire Line
	4200 2400 4200 2500
Wire Wire Line
	2450 1900 3100 1900
Wire Wire Line
	3100 1900 3100 2900
Wire Wire Line
	3600 1800 3600 2000
Wire Wire Line
	3600 2900 3600 2800
Wire Wire Line
	3800 2900 3800 2800
Wire Wire Line
	3200 2250 3300 2250
Wire Wire Line
	2850 1400 3150 1400
Wire Wire Line
	3150 1400 3150 2400
Wire Wire Line
	3150 2400 3300 2400
Connection ~ 3150 1400
Text Label 4150 1850 2    50   ~ 0
USB_D+
Text Label 7450 6150 2    50   ~ 0
USB_D-
Text Label 4150 2900 2    50   ~ 0
USB_D-
Wire Wire Line
	6000 6550 6000 6650
$Comp
L power:+3V3 #PWR09
U 1 1 6110E24F
P 6000 4150
F 0 "#PWR09" H 6000 4000 50  0001 C CNN
F 1 "+3V3" H 6015 4323 50  0000 C CNN
F 2 "" H 6000 4150 50  0001 C CNN
F 3 "" H 6000 4150 50  0001 C CNN
	1    6000 4150
	1    0    0    -1  
$EndComp
Wire Wire Line
	6000 4150 6000 4250
Text GLabel 5350 4550 0    39   Input ~ 0
ESP32_IO0
Text GLabel 5350 4450 0    39   Input ~ 0
ESP32_EN
Text GLabel 6650 4650 2    50   Input ~ 0
ESP32_RXD
Text GLabel 6650 4750 2    50   Input ~ 0
ESP32_TXD
$Comp
L Device:C_Small C53
U 1 1 6112E6F3
P 7400 2450
F 0 "C53" H 7492 2496 50  0000 L CNN
F 1 "100nF" H 7492 2405 50  0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 7400 2450 50  0001 C CNN
F 3 "~" H 7400 2450 50  0001 C CNN
F 4 "C1525" H 7400 2450 50  0001 C CNN "LCSC"
	1    7400 2450
	1    0    0    -1  
$EndComp
Wire Wire Line
	7400 2300 7400 2350
$Comp
L power:GND #PWR0145
U 1 1 611302A2
P 7400 2600
F 0 "#PWR0145" H 7400 2350 50  0001 C CNN
F 1 "GND" H 7405 2427 50  0000 C CNN
F 2 "" H 7400 2600 50  0001 C CNN
F 3 "" H 7400 2600 50  0001 C CNN
	1    7400 2600
	1    0    0    -1  
$EndComp
Wire Wire Line
	7400 2550 7400 2600
$Comp
L Device:LED D1
U 1 1 611B5A79
P 4350 5100
F 0 "D1" V 4350 4950 50  0000 L CNN
F 1 "LED-Y" V 4750 5100 50  0000 L CNN
F 2 "LED_SMD:LED_0603_1608Metric" H 4350 5100 50  0001 C CNN
F 3 "~" H 4350 5100 50  0001 C CNN
F 4 "C72038" H 4350 5100 50  0001 C CNN "LCSC"
	1    4350 5100
	0    1    -1   0   
$EndComp
$Comp
L Device:R_Small R16
U 1 1 611B7173
P 4350 5400
F 0 "R16" V 4250 5350 50  0000 L CNN
F 1 "1k" H 4200 5300 50  0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 4350 5400 50  0001 C CNN
F 3 "~" H 4350 5400 50  0001 C CNN
F 4 "C11702" H 4350 5400 50  0001 C CNN "LCSC"
	1    4350 5400
	1    0    0    -1  
$EndComp
Wire Wire Line
	4350 5250 4350 5300
$Comp
L power:GND #PWR031
U 1 1 611BD13B
P 4350 5550
F 0 "#PWR031" H 4350 5300 50  0001 C CNN
F 1 "GND" H 4355 5377 50  0000 C CNN
F 2 "" H 4350 5550 50  0001 C CNN
F 3 "" H 4350 5550 50  0001 C CNN
	1    4350 5550
	1    0    0    -1  
$EndComp
Wire Wire Line
	4350 5500 4350 5550
Wire Wire Line
	4350 4950 4350 4750
Wire Wire Line
	4350 4750 4600 4750
Text GLabel 7850 2300 3    50   Input ~ 0
ESP32_IO0
$Comp
L Device:R_Small R21
U 1 1 613A0F9D
P 7850 2150
F 0 "R21" H 7909 2196 50  0000 L CNN
F 1 "10k" H 7909 2105 50  0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 7850 2150 50  0001 C CNN
F 3 "~" H 7850 2150 50  0001 C CNN
F 4 "C25744" H 7850 2150 50  0001 C CNN "LCSC"
	1    7850 2150
	1    0    0    -1  
$EndComp
Wire Wire Line
	7850 2250 7850 2300
$Comp
L power:+3V3 #PWR0150
U 1 1 613A45C4
P 7850 1950
F 0 "#PWR0150" H 7850 1800 50  0001 C CNN
F 1 "+3V3" H 7865 2123 50  0000 C CNN
F 2 "" H 7850 1950 50  0001 C CNN
F 3 "" H 7850 1950 50  0001 C CNN
	1    7850 1950
	1    0    0    -1  
$EndComp
NoConn ~ 6600 4450
$Comp
L power:+5V #PWR0161
U 1 1 6032DF88
P 4850 1000
F 0 "#PWR0161" H 4850 850 50  0001 C CNN
F 1 "+5V" H 4865 1173 50  0000 C CNN
F 2 "" H 4850 1000 50  0001 C CNN
F 3 "" H 4850 1000 50  0001 C CNN
	1    4850 1000
	1    0    0    -1  
$EndComp
Wire Wire Line
	7300 2300 7400 2300
$Comp
L power:+3V3 #PWR0175
U 1 1 6035B9AD
P 7400 1950
F 0 "#PWR0175" H 7400 1800 50  0001 C CNN
F 1 "+3V3" H 7415 2123 50  0000 C CNN
F 2 "" H 7400 1950 50  0001 C CNN
F 3 "" H 7400 1950 50  0001 C CNN
	1    7400 1950
	1    0    0    -1  
$EndComp
Text GLabel 7050 2300 0    50   Input ~ 0
ESP32_EN
$Comp
L Device:R_Small R15
U 1 1 611331F0
P 7200 2300
F 0 "R15" H 7259 2346 50  0000 L CNN
F 1 "1k" H 7259 2255 50  0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 7200 2300 50  0001 C CNN
F 3 "~" H 7200 2300 50  0001 C CNN
F 4 "C11702" H 7200 2300 50  0001 C CNN "LCSC"
	1    7200 2300
	0    1    1    0   
$EndComp
$Comp
L Device:R_Small R1
U 1 1 60379925
P 7400 2150
F 0 "R1" H 7459 2196 50  0000 L CNN
F 1 "10k" H 7459 2105 50  0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 7400 2150 50  0001 C CNN
F 3 "~" H 7400 2150 50  0001 C CNN
F 4 "C25744" H 7400 2150 50  0001 C CNN "LCSC"
	1    7400 2150
	1    0    0    -1  
$EndComp
Connection ~ 7400 2300
NoConn ~ 6600 5850
Wire Wire Line
	7400 2250 7400 2300
Wire Wire Line
	7050 2300 7100 2300
Wire Wire Line
	4850 1400 4850 1550
Connection ~ 4850 1400
Wire Wire Line
	4850 1750 4850 1800
Wire Wire Line
	4550 1400 4850 1400
Wire Wire Line
	3800 2000 3800 1850
Text Label 7450 6050 2    50   ~ 0
USB_D+
Wire Wire Line
	3800 1850 4150 1850
Wire Wire Line
	3800 2900 4150 2900
Wire Wire Line
	5350 4450 5400 4450
Wire Wire Line
	5350 4550 5400 4550
Wire Wire Line
	6600 4750 6650 4750
Wire Wire Line
	6600 4650 6650 4650
Wire Wire Line
	6600 6050 7450 6050
Wire Wire Line
	6600 6150 7450 6150
Wire Wire Line
	7400 1950 7400 2050
Wire Wire Line
	7850 1950 7850 2050
Wire Wire Line
	3150 1400 4250 1400
Text GLabel 10150 1500 2    50   Input ~ 0
ESP32_EN
Text GLabel 10150 1200 2    50   Input ~ 0
ESP32_TXD
$Comp
L Regulator_Linear:AMS1117-3.3 U1
U 1 1 611424AE
P 7150 1200
F 0 "U1" H 7150 1442 50  0000 C CNN
F 1 "AMS1117-3.3" H 7150 1351 50  0000 C CNN
F 2 "Package_TO_SOT_SMD:SOT-223-3_TabPin2" H 7150 1400 50  0001 C CNN
F 3 "http://www.advanced-monolithic.com/pdf/ds1117.pdf" H 7250 950 50  0001 C CNN
F 4 "C2688239" H 7150 1200 50  0001 C CNN "LCSC"
	1    7150 1200
	1    0    0    -1  
$EndComp
Wire Wire Line
	4850 1000 4850 1400
Wire Wire Line
	2450 1600 2850 1600
Wire Wire Line
	2850 1600 2850 1400
Wire Wire Line
	2150 2200 2150 2300
Wire Wire Line
	2150 2300 2900 2300
Wire Wire Line
	2900 2300 2900 2600
Wire Wire Line
	2050 2200 2050 2300
Wire Wire Line
	2050 2300 2150 2300
Connection ~ 2150 2300
Wire Wire Line
	9450 4950 9900 4950
Wire Wire Line
	6600 4950 8450 4950
Wire Wire Line
	6600 5050 8450 5050
Wire Wire Line
	6600 5150 8450 5150
Wire Wire Line
	6600 5250 8450 5250
Wire Wire Line
	6600 5350 8450 5350
Wire Wire Line
	6600 5450 8450 5450
Wire Wire Line
	6600 5550 8450 5550
Wire Wire Line
	6600 5650 8450 5650
Wire Wire Line
	6600 5750 7900 5750
Wire Wire Line
	7900 5750 7900 5950
Wire Wire Line
	7900 5950 8450 5950
Wire Wire Line
	8450 5850 8300 5850
$Comp
L power:GND #PWR0101
U 1 1 61283350
P 8950 6300
F 0 "#PWR0101" H 8950 6050 50  0001 C CNN
F 1 "GND" H 8955 6127 50  0000 C CNN
F 2 "" H 8950 6300 50  0001 C CNN
F 3 "" H 8950 6300 50  0001 C CNN
	1    8950 6300
	1    0    0    -1  
$EndComp
Wire Wire Line
	8950 6250 8950 6300
Wire Wire Line
	8950 4550 8950 4650
$Comp
L Device:R_Small R2
U 1 1 6128EB0C
P 7900 6150
F 0 "R2" H 7959 6196 50  0000 L CNN
F 1 "10k" H 7959 6105 50  0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 7900 6150 50  0001 C CNN
F 3 "~" H 7900 6150 50  0001 C CNN
F 4 "C25744" H 7900 6150 50  0001 C CNN "LCSC"
	1    7900 6150
	1    0    0    -1  
$EndComp
Wire Wire Line
	7900 5950 7900 6050
Connection ~ 7900 5950
Wire Wire Line
	8150 5900 8300 5900
Wire Wire Line
	8300 5900 8300 5850
$Comp
L power:+3V3 #PWR0104
U 1 1 6129959A
P 8200 6250
F 0 "#PWR0104" H 8200 6100 50  0001 C CNN
F 1 "+3V3" H 8215 6423 50  0000 C CNN
F 2 "" H 8200 6250 50  0001 C CNN
F 3 "" H 8200 6250 50  0001 C CNN
	1    8200 6250
	1    0    0    -1  
$EndComp
Wire Wire Line
	7900 6250 7900 6350
Wire Wire Line
	7900 6350 8200 6350
Wire Wire Line
	8200 6350 8200 6250
$Comp
L power:+5V #PWR0105
U 1 1 612A64D4
P 2150 4850
F 0 "#PWR0105" H 2150 4700 50  0001 C CNN
F 1 "+5V" H 2165 5023 50  0000 C CNN
F 2 "" H 2150 4850 50  0001 C CNN
F 3 "" H 2150 4850 50  0001 C CNN
	1    2150 4850
	1    0    0    -1  
$EndComp
Wire Wire Line
	9450 5150 9900 5150
Wire Wire Line
	9450 5250 9900 5250
Wire Wire Line
	9450 5350 9750 5350
Wire Wire Line
	9750 5350 9750 5450
Wire Wire Line
	9750 5450 9900 5450
NoConn ~ 9900 5350
Wire Wire Line
	9450 5450 9700 5450
Wire Wire Line
	9700 5450 9700 5550
Wire Wire Line
	9700 5550 9900 5550
Wire Wire Line
	9450 5550 9650 5550
Wire Wire Line
	9650 5550 9650 5650
Wire Wire Line
	9650 5650 9900 5650
Wire Wire Line
	9450 5650 9600 5650
Wire Wire Line
	9600 5650 9600 5750
Wire Wire Line
	9600 5750 9900 5750
$Comp
L power:+5V #PWR0107
U 1 1 612EA950
P 9500 5900
F 0 "#PWR0107" H 9500 5750 50  0001 C CNN
F 1 "+5V" H 9515 6073 50  0000 C CNN
F 2 "" H 9500 5900 50  0001 C CNN
F 3 "" H 9500 5900 50  0001 C CNN
	1    9500 5900
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0108
U 1 1 612EB45A
P 9350 6050
F 0 "#PWR0108" H 9350 5800 50  0001 C CNN
F 1 "GND" H 9355 5877 50  0000 C CNN
F 2 "" H 9350 6050 50  0001 C CNN
F 3 "" H 9350 6050 50  0001 C CNN
	1    9350 6050
	1    0    0    -1  
$EndComp
$Comp
L Connector:Conn_01x12_Female J2
U 1 1 611BF5E1
P 1600 4150
F 0 "J2" H 1350 4750 50  0000 C CNN
F 1 "Conn_01x12_Male" H 1400 4850 50  0000 C CNN
F 2 "key80:EBM12DRXH" H 1600 4150 50  0001 C CNN
F 3 "https://www.aliexpress.com/item/33026261878.html" H 1600 4150 50  0001 C CNN
F 4 "NM" H 1600 4150 50  0001 C CNN "LCSC"
F 5 "S3342-ND" H 1600 4150 50  0001 C CNN "MOUSER"
	1    1600 4150
	-1   0    0    -1  
$EndComp
Wire Wire Line
	1800 3650 2400 3650
Wire Wire Line
	1800 3750 2600 3750
Wire Wire Line
	1800 4150 1950 4150
Wire Wire Line
	1950 4150 1950 4050
Wire Wire Line
	1950 4050 2600 4050
Wire Wire Line
	1800 4250 2000 4250
Wire Wire Line
	2000 4250 2000 4150
Wire Wire Line
	1800 4350 2050 4350
Wire Wire Line
	2050 4350 2050 4250
Wire Wire Line
	2050 4250 2600 4250
Wire Wire Line
	1800 4450 2100 4450
Wire Wire Line
	2100 4450 2100 4350
Wire Wire Line
	2100 4350 2600 4350
$Comp
L power:GND #PWR0109
U 1 1 6132E8FF
P 1900 4850
F 0 "#PWR0109" H 1900 4600 50  0001 C CNN
F 1 "GND" H 1905 4677 50  0000 C CNN
F 2 "" H 1900 4850 50  0001 C CNN
F 3 "" H 1900 4850 50  0001 C CNN
	1    1900 4850
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0110
U 1 1 6132F152
P 3100 5000
F 0 "#PWR0110" H 3100 4750 50  0001 C CNN
F 1 "GND" H 3105 4827 50  0000 C CNN
F 2 "" H 3100 5000 50  0001 C CNN
F 3 "" H 3100 5000 50  0001 C CNN
	1    3100 5000
	1    0    0    -1  
$EndComp
Wire Wire Line
	3100 5000 3100 4950
$Comp
L power:GND #PWR0111
U 1 1 6133548A
P 3100 7150
F 0 "#PWR0111" H 3100 6900 50  0001 C CNN
F 1 "GND" H 3105 6977 50  0000 C CNN
F 2 "" H 3100 7150 50  0001 C CNN
F 3 "" H 3100 7150 50  0001 C CNN
	1    3100 7150
	1    0    0    -1  
$EndComp
Wire Wire Line
	3100 7100 3100 7150
Wire Wire Line
	3100 3300 3100 3350
Wire Wire Line
	3100 5450 3100 5500
$Comp
L RF_Module:ESP32-S2-WROVER-I U11
U 1 1 610EDBDA
P 6000 5450
F 0 "U11" H 5600 6650 50  0000 C CNN
F 1 "ESP32-S2-WROVER-I" H 6450 6650 50  0000 C CNN
F 2 "key80:ESP32-S2-WROVER" H 6750 4300 50  0001 C CNN
F 3 "https://www.espressif.com/sites/default/files/documentation/esp32-s2-wroom_esp32-s2-wroom-i_datasheet_en.pdf" H 5700 4650 50  0001 C CNN
F 4 "C967028" H 6000 5450 50  0001 C CNN "LCSC"
	1    6000 5450
	1    0    0    -1  
$EndComp
Wire Bus Line
	3900 7050 4900 7050
Entry Wire Line
	3800 3650 3900 3750
Entry Wire Line
	3800 3750 3900 3850
Entry Wire Line
	3800 3850 3900 3950
Entry Wire Line
	3800 3950 3900 4050
Entry Wire Line
	3800 4050 3900 4150
Entry Wire Line
	3800 4150 3900 4250
Entry Wire Line
	3800 4250 3900 4350
Entry Wire Line
	3800 4350 3900 4450
Entry Wire Line
	3800 5800 3900 5900
Entry Wire Line
	3800 5900 3900 6000
Entry Wire Line
	3800 6000 3900 6100
Entry Wire Line
	3800 6100 3900 6200
Entry Wire Line
	3800 6200 3900 6300
Entry Wire Line
	3800 6300 3900 6400
Entry Wire Line
	3800 6400 3900 6500
Entry Wire Line
	3800 6500 3900 6600
Wire Wire Line
	3600 3650 3800 3650
Wire Wire Line
	3800 3750 3600 3750
Wire Wire Line
	3600 3850 3800 3850
Wire Wire Line
	3800 3950 3600 3950
Wire Wire Line
	3600 4050 3800 4050
Wire Wire Line
	3800 4150 3600 4150
Wire Wire Line
	3600 4250 3800 4250
Wire Wire Line
	3800 4350 3600 4350
Wire Wire Line
	3600 5800 3800 5800
Wire Wire Line
	3800 5900 3600 5900
Wire Wire Line
	3600 6000 3800 6000
Wire Wire Line
	3800 6100 3600 6100
Wire Wire Line
	3600 6200 3800 6200
Wire Wire Line
	3800 6300 3600 6300
Wire Wire Line
	3600 6400 3800 6400
Wire Wire Line
	3800 6500 3600 6500
Text Label 3600 5800 0    50   ~ 0
B0
Text Label 3600 5900 0    50   ~ 0
B1
Text Label 3600 6000 0    50   ~ 0
B2
Text Label 3600 6100 0    50   ~ 0
B3
Text Label 3600 6200 0    50   ~ 0
B4
Text Label 3600 6300 0    50   ~ 0
B5
Text Label 3600 6400 0    50   ~ 0
B6
Text Label 3600 6500 0    50   ~ 0
B7
Wire Wire Line
	5400 4850 5000 4850
Entry Wire Line
	4900 4950 5000 4850
Entry Wire Line
	4900 5050 5000 4950
Entry Wire Line
	4900 5150 5000 5050
Entry Wire Line
	4900 5250 5000 5150
Entry Wire Line
	4900 5350 5000 5250
Entry Wire Line
	4900 5450 5000 5350
Entry Wire Line
	4900 5550 5000 5450
Entry Wire Line
	4900 5650 5000 5550
Entry Wire Line
	4900 5750 5000 5650
Entry Wire Line
	4900 5850 5000 5750
Entry Wire Line
	4900 5950 5000 5850
Entry Wire Line
	4900 6050 5000 5950
Entry Wire Line
	4900 6150 5000 6050
Entry Wire Line
	4900 6250 5000 6150
Entry Wire Line
	4900 6350 5000 6250
Wire Wire Line
	5000 4950 5400 4950
Wire Wire Line
	5000 5050 5400 5050
Wire Wire Line
	5000 5150 5400 5150
Wire Wire Line
	5000 5250 5400 5250
Wire Wire Line
	5000 5350 5400 5350
Wire Wire Line
	5000 5450 5400 5450
Wire Wire Line
	5000 5550 5400 5550
Wire Wire Line
	5400 5650 5000 5650
Wire Wire Line
	5000 5750 5400 5750
Wire Wire Line
	5400 5850 5000 5850
Wire Wire Line
	5400 5950 5000 5950
Wire Wire Line
	5400 6050 5000 6050
Wire Wire Line
	5000 6150 5400 6150
Wire Wire Line
	5000 6250 5400 6250
Text Label 5000 4850 0    50   ~ 0
A0
Text Label 5000 4950 0    50   ~ 0
A1
Text Label 5000 5050 0    50   ~ 0
A2
Text Label 5000 5150 0    50   ~ 0
A3
Text Label 5000 5250 0    50   ~ 0
A4
Text Label 5000 5350 0    50   ~ 0
A5
Text Label 5000 5450 0    50   ~ 0
A6
Text Label 5000 5550 0    50   ~ 0
A7
Text Label 5000 5650 0    50   ~ 0
B0
Text Label 5000 5750 0    50   ~ 0
B1
Text Label 5000 5850 0    50   ~ 0
B2
Text Label 5000 5950 0    50   ~ 0
B3
Text Label 5000 6050 0    50   ~ 0
B4
Text Label 5000 6150 0    50   ~ 0
B5
Text Label 5000 6250 0    50   ~ 0
B6
Text Label 5050 4650 0    50   ~ 0
B7
NoConn ~ 6600 4550
$Comp
L Connector:Conn_01x10_Male J3
U 1 1 61480843
P 650 6200
F 0 "J3" V 485 6128 50  0000 C CNN
F 1 "Conn_01x10_Male" H 750 6850 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x10_P2.54mm_Horizontal" H 650 6200 50  0001 C CNN
F 3 "~" H 650 6200 50  0001 C CNN
	1    650  6200
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0113
U 1 1 614906A3
P 2500 4800
F 0 "#PWR0113" H 2500 4550 50  0001 C CNN
F 1 "GND" H 2505 4627 50  0000 C CNN
F 2 "" H 2500 4800 50  0001 C CNN
F 3 "" H 2500 4800 50  0001 C CNN
	1    2500 4800
	1    0    0    -1  
$EndComp
Wire Wire Line
	2500 4800 2500 4650
Wire Wire Line
	2500 4650 2600 4650
Wire Wire Line
	2300 4650 2300 4700
Wire Wire Line
	2300 4700 2400 4700
Wire Wire Line
	2400 4550 2600 4550
Wire Wire Line
	2400 4550 2400 4700
$Comp
L 74xx:74HC245 U2
U 1 1 6115D095
P 8950 5450
F 0 "U2" H 8650 6250 50  0000 C CNN
F 1 "74HCT245" H 9200 6150 50  0000 C CNN
F 2 "Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm" H 8950 5450 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74HC245" H 8950 5450 50  0001 C CNN
F 4 "C5980" H 8950 5450 50  0001 C CNN "LCSC"
	1    8950 5450
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR0143
U 1 1 611276FF
P 6450 3600
F 0 "#PWR0143" H 6450 3450 50  0001 C CNN
F 1 "+3V3" H 6465 3773 50  0000 C CNN
F 2 "" H 6450 3600 50  0001 C CNN
F 3 "" H 6450 3600 50  0001 C CNN
	1    6450 3600
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C54
U 1 1 611262EE
P 6450 3800
F 0 "C54" H 6200 3850 50  0000 L CNN
F 1 "22uF" H 6150 3750 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 6450 3800 50  0001 C CNN
F 3 "~" H 6450 3800 50  0001 C CNN
F 4 "C45783" H 6450 3800 50  0001 C CNN "LCSC"
	1    6450 3800
	1    0    0    -1  
$EndComp
Connection ~ 6450 3650
Wire Wire Line
	6450 3650 6450 3700
Wire Wire Line
	6450 3600 6450 3650
Connection ~ 6450 3950
Wire Wire Line
	6450 3950 6450 4000
Wire Wire Line
	6450 3900 6450 3950
Wire Wire Line
	6650 3650 6650 3700
Wire Wire Line
	6450 3650 6650 3650
Wire Wire Line
	6450 3950 6650 3950
Wire Wire Line
	6650 3950 6650 3900
$Comp
L Device:C_Small C55
U 1 1 61126FC2
P 6650 3800
F 0 "C55" H 6742 3846 50  0000 L CNN
F 1 "100nF" H 6742 3755 50  0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 6650 3800 50  0001 C CNN
F 3 "~" H 6650 3800 50  0001 C CNN
F 4 "C1525" H 6650 3800 50  0001 C CNN "LCSC"
	1    6650 3800
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0115
U 1 1 615010DA
P 8250 4650
F 0 "#PWR0115" H 8250 4400 50  0001 C CNN
F 1 "GND" H 8255 4477 50  0000 C CNN
F 2 "" H 8250 4650 50  0001 C CNN
F 3 "" H 8250 4650 50  0001 C CNN
	1    8250 4650
	1    0    0    -1  
$EndComp
Wire Wire Line
	8250 4300 8250 4400
$Comp
L power:+3V3 #PWR0116
U 1 1 615010E1
P 8250 4300
F 0 "#PWR0116" H 8250 4150 50  0001 C CNN
F 1 "+3V3" H 8265 4473 50  0000 C CNN
F 2 "" H 8250 4300 50  0001 C CNN
F 3 "" H 8250 4300 50  0001 C CNN
	1    8250 4300
	1    0    0    -1  
$EndComp
Wire Wire Line
	8250 4650 8250 4600
$Comp
L Device:C_Small C1
U 1 1 615010E9
P 8250 4500
F 0 "C1" H 8342 4546 50  0000 L CNN
F 1 "100nF" H 8342 4455 50  0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 8250 4500 50  0001 C CNN
F 3 "~" H 8250 4500 50  0001 C CNN
F 4 "C1525" H 8250 4500 50  0001 C CNN "LCSC"
	1    8250 4500
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0117
U 1 1 615163D3
P 6450 4000
F 0 "#PWR0117" H 6450 3750 50  0001 C CNN
F 1 "GND" H 6455 3827 50  0000 C CNN
F 2 "" H 6450 4000 50  0001 C CNN
F 3 "" H 6450 4000 50  0001 C CNN
	1    6450 4000
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0118
U 1 1 615180EF
P 6000 6650
F 0 "#PWR0118" H 6000 6400 50  0001 C CNN
F 1 "GND" H 6005 6477 50  0000 C CNN
F 2 "" H 6000 6650 50  0001 C CNN
F 3 "" H 6000 6650 50  0001 C CNN
	1    6000 6650
	1    0    0    -1  
$EndComp
Wire Wire Line
	1800 3950 2600 3950
Text Label 3600 3650 0    50   ~ 0
A0
Text Label 3600 3750 0    50   ~ 0
A1
Text Label 3600 3850 0    50   ~ 0
A2
Text Label 3600 3950 0    50   ~ 0
A3
Text Label 3600 4050 0    50   ~ 0
A4
Text Label 3600 4150 0    50   ~ 0
A5
Text Label 3600 4250 0    50   ~ 0
A6
Text Label 3600 4350 0    50   ~ 0
A7
$Comp
L power:GND #PWR0119
U 1 1 6166317D
P 2600 7050
F 0 "#PWR0119" H 2600 6800 50  0001 C CNN
F 1 "GND" H 2605 6877 50  0000 C CNN
F 2 "" H 2600 7050 50  0001 C CNN
F 3 "" H 2600 7050 50  0001 C CNN
	1    2600 7050
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR0121
U 1 1 61676CB6
P 1550 5500
F 0 "#PWR0121" H 1550 5350 50  0001 C CNN
F 1 "+5V" H 1565 5673 50  0000 C CNN
F 2 "" H 1550 5500 50  0001 C CNN
F 3 "" H 1550 5500 50  0001 C CNN
	1    1550 5500
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR0122
U 1 1 6169C86D
P 6200 1100
F 0 "#PWR0122" H 6200 950 50  0001 C CNN
F 1 "+5V" H 6215 1273 50  0000 C CNN
F 2 "" H 6200 1100 50  0001 C CNN
F 3 "" H 6200 1100 50  0001 C CNN
	1    6200 1100
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C3
U 1 1 616A6387
P 6650 1350
F 0 "C3" H 6742 1396 50  0000 L CNN
F 1 "47uF" H 6742 1305 50  0000 L CNN
F 2 "Capacitor_SMD:C_1206_3216Metric" H 6650 1350 50  0001 C CNN
F 3 "~" H 6650 1350 50  0001 C CNN
F 4 "C96123" H 6650 1350 50  0001 C CNN "LCSC"
	1    6650 1350
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C4
U 1 1 616A7326
P 7700 1350
F 0 "C4" H 7792 1396 50  0000 L CNN
F 1 "47uF" H 7792 1305 50  0000 L CNN
F 2 "Capacitor_SMD:C_1206_3216Metric" H 7700 1350 50  0001 C CNN
F 3 "~" H 7700 1350 50  0001 C CNN
F 4 "C96123" H 7700 1350 50  0001 C CNN "LCSC"
	1    7700 1350
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C5
U 1 1 616A7945
P 8150 1350
F 0 "C5" H 8242 1396 50  0000 L CNN
F 1 "100nF" H 8242 1305 50  0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 8150 1350 50  0001 C CNN
F 3 "~" H 8150 1350 50  0001 C CNN
F 4 "C1525" H 8150 1350 50  0001 C CNN "LCSC"
	1    8150 1350
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C2
U 1 1 616A8022
P 6200 1350
F 0 "C2" H 6292 1396 50  0000 L CNN
F 1 "100nF" H 6292 1305 50  0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 6200 1350 50  0001 C CNN
F 3 "~" H 6200 1350 50  0001 C CNN
F 4 "C1525" H 6200 1350 50  0001 C CNN "LCSC"
	1    6200 1350
	1    0    0    -1  
$EndComp
Wire Wire Line
	6200 1100 6200 1200
Wire Wire Line
	6200 1200 6650 1200
Wire Wire Line
	6200 1200 6200 1250
Connection ~ 6200 1200
Wire Wire Line
	6650 1250 6650 1200
Connection ~ 6650 1200
Wire Wire Line
	6650 1200 6850 1200
Wire Wire Line
	7450 1200 7700 1200
Wire Wire Line
	7700 1200 7700 1250
Wire Wire Line
	7700 1200 8150 1200
Wire Wire Line
	8150 1200 8150 1250
Connection ~ 7700 1200
$Comp
L power:+3V3 #PWR0123
U 1 1 616DF1A5
P 8150 1150
F 0 "#PWR0123" H 8150 1000 50  0001 C CNN
F 1 "+3V3" H 8165 1323 50  0000 C CNN
F 2 "" H 8150 1150 50  0001 C CNN
F 3 "" H 8150 1150 50  0001 C CNN
	1    8150 1150
	1    0    0    -1  
$EndComp
Wire Wire Line
	8150 1150 8150 1200
Connection ~ 8150 1200
$Comp
L power:GND #PWR0124
U 1 1 616F48B7
P 7150 1650
F 0 "#PWR0124" H 7150 1400 50  0001 C CNN
F 1 "GND" H 7155 1477 50  0000 C CNN
F 2 "" H 7150 1650 50  0001 C CNN
F 3 "" H 7150 1650 50  0001 C CNN
	1    7150 1650
	1    0    0    -1  
$EndComp
Wire Wire Line
	6200 1450 6200 1600
Wire Wire Line
	6200 1600 6650 1600
Wire Wire Line
	6650 1600 6650 1450
Wire Wire Line
	6650 1600 7150 1600
Wire Wire Line
	7150 1600 7150 1500
Connection ~ 6650 1600
Wire Wire Line
	7150 1600 7150 1650
Connection ~ 7150 1600
Wire Wire Line
	7150 1600 7700 1600
Wire Wire Line
	7700 1600 7700 1450
Wire Wire Line
	7700 1600 8150 1600
Wire Wire Line
	8150 1600 8150 1450
Connection ~ 7700 1600
Wire Wire Line
	9450 5050 9900 5050
$Comp
L Connector:Conn_01x12_Male J1
U 1 1 61148DA8
P 10100 5450
F 0 "J1" H 10300 6100 50  0000 R CNN
F 1 "Conn_01x12_Male" H 10550 6200 50  0000 R CNN
F 2 "key80:ABC80 keyboard pcb" H 10100 5450 50  0001 C CNN
F 3 "~" H 10100 5450 50  0001 C CNN
F 4 "NM" H 10100 5450 50  0001 C CNN "LCSC"
	1    10100 5450
	-1   0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR0114
U 1 1 617B3ED9
P 2350 7250
F 0 "#PWR0114" H 2350 7100 50  0001 C CNN
F 1 "+3V3" H 2300 7400 50  0000 C CNN
F 2 "" H 2350 7250 50  0001 C CNN
F 3 "" H 2350 7250 50  0001 C CNN
	1    2350 7250
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR0120
U 1 1 617B61D5
P 2300 4650
F 0 "#PWR0120" H 2300 4500 50  0001 C CNN
F 1 "+3V3" H 2315 4823 50  0000 C CNN
F 2 "" H 2300 4650 50  0001 C CNN
F 3 "" H 2300 4650 50  0001 C CNN
	1    2300 4650
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0125
U 1 1 617D07D7
P 2100 6900
F 0 "#PWR0125" H 2100 6650 50  0001 C CNN
F 1 "GND" H 2105 6727 50  0000 C CNN
F 2 "" H 2100 6900 50  0001 C CNN
F 3 "" H 2100 6900 50  0001 C CNN
	1    2100 6900
	1    0    0    -1  
$EndComp
$Comp
L Connector:Conn_01x06_Male J4
U 1 1 61851738
P 9700 1300
F 0 "J4" H 9808 1681 50  0000 C CNN
F 1 "Conn_01x06_Male" H 9808 1590 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Vertical" H 9700 1300 50  0001 C CNN
F 3 "~" H 9700 1300 50  0001 C CNN
	1    9700 1300
	1    0    0    -1  
$EndComp
Wire Wire Line
	9900 1200 10150 1200
Wire Wire Line
	9900 1300 10150 1300
Wire Wire Line
	9900 1400 10150 1400
Wire Wire Line
	9900 1500 10150 1500
$Comp
L power:GND #PWR0129
U 1 1 6191AB5A
P 2000 3100
F 0 "#PWR0129" H 2000 2850 50  0001 C CNN
F 1 "GND" H 2005 2927 50  0000 C CNN
F 2 "" H 2000 3100 50  0001 C CNN
F 3 "" H 2000 3100 50  0001 C CNN
	1    2000 3100
	1    0    0    -1  
$EndComp
Wire Wire Line
	2000 2750 2000 2850
$Comp
L power:+3V3 #PWR0130
U 1 1 6191B1B9
P 2000 2750
F 0 "#PWR0130" H 2000 2600 50  0001 C CNN
F 1 "+3V3" H 2015 2923 50  0000 C CNN
F 2 "" H 2000 2750 50  0001 C CNN
F 3 "" H 2000 2750 50  0001 C CNN
	1    2000 2750
	1    0    0    -1  
$EndComp
Wire Wire Line
	2000 3100 2000 3050
$Comp
L Device:C_Small C6
U 1 1 6191B1C5
P 2000 2950
F 0 "C6" H 2092 2996 50  0000 L CNN
F 1 "100nF" H 2092 2905 50  0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 2000 2950 50  0001 C CNN
F 3 "~" H 2000 2950 50  0001 C CNN
F 4 "C1525" H 2000 2950 50  0001 C CNN "LCSC"
	1    2000 2950
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR0131
U 1 1 61962989
P 10350 900
F 0 "#PWR0131" H 10350 750 50  0001 C CNN
F 1 "+3V3" H 10365 1073 50  0000 C CNN
F 2 "" H 10350 900 50  0001 C CNN
F 3 "" H 10350 900 50  0001 C CNN
	1    10350 900 
	1    0    0    -1  
$EndComp
Wire Wire Line
	9900 1100 10350 1100
Wire Wire Line
	10350 1100 10350 900 
Wire Wire Line
	9900 1600 10300 1600
Wire Wire Line
	10300 1600 10300 1850
$Comp
L power:GND #PWR0132
U 1 1 61980559
P 10300 1850
F 0 "#PWR0132" H 10300 1600 50  0001 C CNN
F 1 "GND" H 10305 1677 50  0000 C CNN
F 2 "" H 10300 1850 50  0001 C CNN
F 3 "" H 10300 1850 50  0001 C CNN
	1    10300 1850
	1    0    0    -1  
$EndComp
Text GLabel 10150 1400 2    50   Input ~ 0
ESP32_IO0
Text GLabel 10150 1300 2    50   Input ~ 0
ESP32_RXD
$Comp
L Device:LED D2
U 1 1 619AFAE9
P 4600 5100
F 0 "D2" V 4600 4950 50  0000 L CNN
F 1 "LED-Y" V 5000 5100 50  0000 L CNN
F 2 "LED_SMD:LED_0603_1608Metric" H 4600 5100 50  0001 C CNN
F 3 "~" H 4600 5100 50  0001 C CNN
F 4 "C72038" H 4600 5100 50  0001 C CNN "LCSC"
	1    4600 5100
	0    1    -1   0   
$EndComp
Wire Wire Line
	4600 4750 4600 4950
Connection ~ 4600 4750
Wire Wire Line
	4350 5250 4600 5250
Connection ~ 4350 5250
NoConn ~ 9900 5850
$Comp
L Transistor_FET:BSS138 Q1
U 1 1 61B315FC
P 9750 3550
F 0 "Q1" V 9999 3550 50  0000 C CNN
F 1 "BSS138" V 10090 3550 50  0000 C CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 9950 3475 50  0001 L CIN
F 3 "https://www.onsemi.com/pub/Collateral/BSS138-D.PDF" H 9750 3550 50  0001 L CNN
F 4 "C52895" H 9750 3550 50  0001 C CNN "LCSC"
	1    9750 3550
	0    1    1    0   
$EndComp
$Comp
L Device:R_Small R4
U 1 1 61B5F8C2
P 10100 3400
F 0 "R4" H 10159 3446 50  0000 L CNN
F 1 "10k" H 10159 3355 50  0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 10100 3400 50  0001 C CNN
F 3 "~" H 10100 3400 50  0001 C CNN
F 4 "C25744" H 10100 3400 50  0001 C CNN "LCSC"
	1    10100 3400
	1    0    0    -1  
$EndComp
Wire Wire Line
	9950 3650 10100 3650
Wire Wire Line
	10100 3650 10100 3500
Wire Wire Line
	10100 3650 10250 3650
Connection ~ 10100 3650
$Comp
L power:+5V #PWR0126
U 1 1 61B81B35
P 10100 3150
F 0 "#PWR0126" H 10100 3000 50  0001 C CNN
F 1 "+5V" H 10115 3323 50  0000 C CNN
F 2 "" H 10100 3150 50  0001 C CNN
F 3 "" H 10100 3150 50  0001 C CNN
	1    10100 3150
	1    0    0    -1  
$EndComp
Wire Wire Line
	10100 3150 10100 3300
$Comp
L Device:R_Small R3
U 1 1 61B91B7C
P 9400 3450
F 0 "R3" H 9459 3496 50  0000 L CNN
F 1 "10k" H 9459 3405 50  0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 9400 3450 50  0001 C CNN
F 3 "~" H 9400 3450 50  0001 C CNN
F 4 "C25744" H 9400 3450 50  0001 C CNN "LCSC"
	1    9400 3450
	1    0    0    -1  
$EndComp
Wire Wire Line
	9400 3550 9400 3650
Wire Wire Line
	9400 3650 9550 3650
Wire Wire Line
	9400 3350 9400 3250
Wire Wire Line
	9400 3250 9750 3250
Wire Wire Line
	9750 3250 9750 3350
$Comp
L power:+3V3 #PWR0133
U 1 1 61BB83DA
P 9400 3100
F 0 "#PWR0133" H 9400 2950 50  0001 C CNN
F 1 "+3V3" H 9415 3273 50  0000 C CNN
F 2 "" H 9400 3100 50  0001 C CNN
F 3 "" H 9400 3100 50  0001 C CNN
	1    9400 3100
	1    0    0    -1  
$EndComp
Wire Wire Line
	9400 3100 9400 3250
Connection ~ 9400 3250
Text Label 7200 4850 0    50   ~ 0
~RST
Wire Wire Line
	6600 4850 7200 4850
Text Label 9150 3650 2    50   ~ 0
~RST
Wire Wire Line
	9150 3650 9400 3650
Connection ~ 9400 3650
$Comp
L Connector:Conn_01x01_Male J5
U 1 1 61B7122D
P 10450 3650
F 0 "J5" H 10422 3582 50  0000 R CNN
F 1 "Conn_01x01_Male" H 10422 3673 50  0000 R CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Horizontal" H 10450 3650 50  0001 C CNN
F 3 "~" H 10450 3650 50  0001 C CNN
	1    10450 3650
	-1   0    0    1   
$EndComp
$Comp
L power:GND #PWR0127
U 1 1 61C24B3E
P 7800 4650
F 0 "#PWR0127" H 7800 4400 50  0001 C CNN
F 1 "GND" H 7805 4477 50  0000 C CNN
F 2 "" H 7800 4650 50  0001 C CNN
F 3 "" H 7800 4650 50  0001 C CNN
	1    7800 4650
	1    0    0    -1  
$EndComp
Wire Wire Line
	7800 4300 7800 4400
$Comp
L power:+3V3 #PWR0128
U 1 1 61C24FE7
P 7800 4300
F 0 "#PWR0128" H 7800 4150 50  0001 C CNN
F 1 "+3V3" H 7815 4473 50  0000 C CNN
F 2 "" H 7800 4300 50  0001 C CNN
F 3 "" H 7800 4300 50  0001 C CNN
	1    7800 4300
	1    0    0    -1  
$EndComp
Wire Wire Line
	7800 4650 7800 4600
$Comp
L Device:C_Small C7
U 1 1 61C24FF3
P 7800 4500
F 0 "C7" H 7892 4546 50  0000 L CNN
F 1 "100nF" H 7892 4455 50  0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 7800 4500 50  0001 C CNN
F 3 "~" H 7800 4500 50  0001 C CNN
F 4 "C1525" H 7800 4500 50  0001 C CNN "LCSC"
	1    7800 4500
	1    0    0    -1  
$EndComp
Entry Wire Line
	5000 4650 4900 4750
Wire Wire Line
	5000 4650 5400 4650
NoConn ~ 5400 6350
Wire Wire Line
	1800 4650 2050 4650
Wire Wire Line
	2050 4650 2050 4900
Wire Wire Line
	2050 4900 2150 4900
Wire Wire Line
	2150 4900 2150 4850
Wire Wire Line
	1800 4750 1900 4750
Wire Wire Line
	1900 4750 1900 4850
Wire Wire Line
	9350 6050 9900 6050
Wire Wire Line
	9500 5900 9500 5950
Wire Wire Line
	9500 5950 9900 5950
$Comp
L power:+3V3 #PWR0102
U 1 1 612867D6
P 8150 5900
F 0 "#PWR0102" H 8150 5750 50  0001 C CNN
F 1 "+3V3" H 8165 6073 50  0000 C CNN
F 2 "" H 8150 5900 50  0001 C CNN
F 3 "" H 8150 5900 50  0001 C CNN
	1    8150 5900
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR0112
U 1 1 6165D896
P 3100 5450
F 0 "#PWR0112" H 3100 5300 50  0001 C CNN
F 1 "+3V3" H 3115 5623 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
$Comp
L 74xx:74HC245 U3
U 1 1 61160C46
P 3100 6300
F 0 "U3" H 2850 7100 50  0000 C CNN
F 1 "74HCT245" H 3400 7000 50  0000 C CNN
F 2 "Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm" H 3100 6300 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74HC245" H 3100 6300 50  0001 C CNN
F 4 "C5980" H 3100 6300 50  0001 C CNN "LCSC"
	1    3100 6300
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR0106
U 1 1 6165BB6A
P 3100 3300
F 0 "#PWR0106" H 3100 3150 50  0001 C CNN
F 1 "+3V3" H 3115 3473 50  0000 C CNN
F 2 "" H 3100 3300 50  0001 C CNN
F 3 "" H 3100 3300 50  0001 C CNN
	1    3100 3300
	1    0    0    -1  
$EndComp
Wire Wire Line
	1800 3850 2600 3850
Wire Wire Line
	2000 4150 2600 4150
$Comp
L 74xx:74HC245 U4
U 1 1 6126E1A4
P 3100 4150
F 0 "U4" H 2900 4950 50  0000 C CNN
F 1 "74HCT245" H 3400 4900 50  0000 C CNN
F 2 "Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm" H 3100 4150 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74HC245" H 3100 4150 50  0001 C CNN
F 4 "C5980" H 3100 4150 50  0001 C CNN "LCSC"
	1    3100 4150
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R5
U 1 1 6125C9C5
P 2400 3400
F 0 "R5" H 2459 3446 50  0000 L CNN
F 1 "10k" H 2459 3355 50  0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 2400 3400 50  0001 C CNN
F 3 "~" H 2400 3400 50  0001 C CNN
F 4 "C25744" H 2400 3400 50  0001 C CNN "LCSC"
	1    2400 3400
	1    0    0    -1  
$EndComp
Wire Wire Line
	2400 3650 2400 3500
Connection ~ 2400 3650
Wire Wire Line
	2400 3650 2600 3650
$Comp
L power:GND #PWR0134
U 1 1 61274188
P 2650 3150
F 0 "#PWR0134" H 2650 2900 50  0001 C CNN
F 1 "GND" H 2655 2977 50  0000 C CNN
F 2 "" H 2650 3150 50  0001 C CNN
F 3 "" H 2650 3150 50  0001 C CNN
	1    2650 3150
	1    0    0    -1  
$EndComp
Wire Wire Line
	2400 3300 2400 3050
Wire Wire Line
	2400 3050 2650 3050
Wire Wire Line
	2650 3050 2650 3150
$Comp
L power:+3V3 #PWR0103
U 1 1 612BA0D0
P 8950 4550
F 0 "#PWR0103" H 8950 4400 50  0001 C CNN
F 1 "+3V3" H 8965 4723 50  0000 C CNN
F 2 "" H 8950 4550 50  0001 C CNN
F 3 "" H 8950 4550 50  0001 C CNN
	1    8950 4550
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R6
U 1 1 613C9602
P 1050 7000
F 0 "R6" H 850 7150 50  0000 L CNN
F 1 "10k" H 1800 7150 50  0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 1050 7000 50  0001 C CNN
F 3 "~" H 1050 7000 50  0001 C CNN
F 4 "C25744" H 1050 7000 50  0001 C CNN "LCSC"
	1    1050 7000
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R7
U 1 1 613CA387
P 1150 7000
F 0 "R7" H 850 7050 50  0000 L CNN
F 1 "10k" H 1800 7050 50  0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 1150 7000 50  0001 C CNN
F 3 "~" H 1150 7000 50  0001 C CNN
F 4 "C25744" H 1150 7000 50  0001 C CNN "LCSC"
	1    1150 7000
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R8
U 1 1 613CADFC
P 1250 7000
F 0 "R8" H 850 6950 50  0000 L CNN
F 1 "10k" H 1800 6950 50  0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 1250 7000 50  0001 C CNN
F 3 "~" H 1250 7000 50  0001 C CNN
F 4 "C25744" H 1250 7000 50  0001 C CNN "LCSC"
	1    1250 7000
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R9
U 1 1 613CB389
P 1350 7000
F 0 "R9" H 850 6850 50  0000 L CNN
F 1 "10k" H 1800 6850 50  0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 1350 7000 50  0001 C CNN
F 3 "~" H 1350 7000 50  0001 C CNN
F 4 "C25744" H 1350 7000 50  0001 C CNN "LCSC"
	1    1350 7000
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R10
U 1 1 613CBE80
P 1450 7000
F 0 "R10" H 850 6750 50  0000 L CNN
F 1 "10k" H 1800 6650 50  0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 1450 7000 50  0001 C CNN
F 3 "~" H 1450 7000 50  0001 C CNN
F 4 "C25744" H 1450 7000 50  0001 C CNN "LCSC"
	1    1450 7000
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R11
U 1 1 613CC9C3
P 1550 7000
F 0 "R11" H 850 6650 50  0000 L CNN
F 1 "10k" H 1800 6750 50  0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 1550 7000 50  0001 C CNN
F 3 "~" H 1550 7000 50  0001 C CNN
F 4 "C25744" H 1550 7000 50  0001 C CNN "LCSC"
	1    1550 7000
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R12
U 1 1 613CD516
P 1650 7000
F 0 "R12" H 850 6550 50  0000 L CNN
F 1 "10k" H 1800 6550 50  0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 1650 7000 50  0001 C CNN
F 3 "~" H 1650 7000 50  0001 C CNN
F 4 "C25744" H 1650 7000 50  0001 C CNN "LCSC"
	1    1650 7000
	1    0    0    -1  
$EndComp
Wire Wire Line
	850  6000 1250 6000
Wire Wire Line
	850  5900 1150 5900
Wire Wire Line
	850  5800 1050 5800
Wire Wire Line
	850  6500 1550 6500
Wire Wire Line
	850  6600 1650 6600
Wire Wire Line
	850  6700 1750 6700
Wire Wire Line
	1050 6900 1050 5800
Connection ~ 1050 5800
Wire Wire Line
	1050 5800 2600 5800
Wire Wire Line
	1150 6900 1150 5900
Connection ~ 1150 5900
Wire Wire Line
	1150 5900 2600 5900
Wire Wire Line
	1250 6900 1250 6000
Connection ~ 1250 6000
Wire Wire Line
	1250 6000 2600 6000
Connection ~ 1650 6600
Wire Wire Line
	1650 6900 1650 6600
Wire Wire Line
	1550 6900 1550 6500
Connection ~ 1550 6500
$Comp
L Device:R_Small R13
U 1 1 61549D65
P 1750 7000
F 0 "R13" H 850 6450 50  0000 L CNN
F 1 "10k" H 1800 6450 50  0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 1750 7000 50  0001 C CNN
F 3 "~" H 1750 7000 50  0001 C CNN
F 4 "C25744" H 1750 7000 50  0001 C CNN "LCSC"
	1    1750 7000
	1    0    0    -1  
$EndComp
Wire Wire Line
	1750 6900 1750 6700
Connection ~ 1750 6700
Wire Wire Line
	1050 7100 1050 7150
Wire Wire Line
	1050 7150 1150 7150
Wire Wire Line
	1150 7150 1150 7100
Wire Wire Line
	1150 7150 1250 7150
Wire Wire Line
	1250 7150 1250 7100
Connection ~ 1150 7150
Wire Wire Line
	1250 7150 1350 7150
Wire Wire Line
	1350 7150 1350 7100
Connection ~ 1250 7150
Wire Wire Line
	1350 7150 1450 7150
Wire Wire Line
	1450 7150 1450 7100
Connection ~ 1350 7150
Wire Wire Line
	1550 7100 1550 7150
Wire Wire Line
	1550 7150 1450 7150
Connection ~ 1450 7150
Wire Wire Line
	1650 7100 1650 7150
Wire Wire Line
	1650 7150 1550 7150
Connection ~ 1550 7150
Wire Wire Line
	1750 7100 1750 7150
Wire Wire Line
	1750 7150 1650 7150
Connection ~ 1650 7150
$Comp
L power:GND #PWR0135
U 1 1 615F4EEE
P 1450 7250
F 0 "#PWR0135" H 1450 7000 50  0001 C CNN
F 1 "GND" H 1455 7077 50  0000 C CNN
F 2 "" H 1450 7250 50  0001 C CNN
F 3 "" H 1450 7250 50  0001 C CNN
	1    1450 7250
	1    0    0    -1  
$EndComp
Wire Wire Line
	1450 7150 1450 7250
Wire Wire Line
	850  6200 1550 6200
Wire Wire Line
	1550 6200 1550 5500
Wire Wire Line
	2450 6700 2450 6500
Wire Wire Line
	2450 6500 2600 6500
Wire Wire Line
	1750 6700 2450 6700
Wire Wire Line
	2400 6600 2400 6400
Wire Wire Line
	2400 6400 2600 6400
Wire Wire Line
	1650 6600 2400 6600
Wire Wire Line
	2350 6500 2350 6300
Wire Wire Line
	2350 6300 2600 6300
Wire Wire Line
	1550 6500 2350 6500
Wire Wire Line
	850  6400 1450 6400
Wire Wire Line
	2300 6400 2300 6200
Wire Wire Line
	2300 6200 2600 6200
Wire Wire Line
	850  6300 1350 6300
Wire Wire Line
	2250 6300 2250 6100
Wire Wire Line
	2250 6100 2600 6100
Wire Wire Line
	2100 6100 2100 6900
Wire Wire Line
	850  6100 2100 6100
Wire Wire Line
	1350 6300 1350 6900
Connection ~ 1350 6300
Wire Wire Line
	1350 6300 2250 6300
Wire Wire Line
	1450 6400 1450 6900
Connection ~ 1450 6400
Wire Wire Line
	1450 6400 2300 6400
Wire Wire Line
	2600 6800 2600 7050
Wire Wire Line
	2600 6700 2500 6700
Wire Wire Line
	2500 6700 2500 7350
Wire Wire Line
	2350 7250 2350 7350
Wire Wire Line
	2350 7350 2500 7350
$Comp
L power:GND #PWR0137
U 1 1 6179F2C3
P 7650 5950
F 0 "#PWR0137" H 7650 5700 50  0001 C CNN
F 1 "GND" H 7655 5777 50  0000 C CNN
F 2 "" H 7650 5950 50  0001 C CNN
F 3 "" H 7650 5950 50  0001 C CNN
	1    7650 5950
	1    0    0    -1  
$EndComp
Wire Wire Line
	6600 5950 6700 5950
Wire Wire Line
	6900 5950 7650 5950
Wire Wire Line
	4600 4750 5400 4750
Wire Bus Line
	4900 4750 4900 7050
Wire Bus Line
	3900 3650 3900 7050
$Comp
L Device:R_Small R14
U 1 1 617CEEE3
P 6800 5950
F 0 "R14" V 6750 5750 50  0000 L CNN
F 1 "10k" V 6750 6050 50  0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 6800 5950 50  0001 C CNN
F 3 "~" H 6800 5950 50  0001 C CNN
F 4 "C25744" H 6800 5950 50  0001 C CNN "LCSC"
	1    6800 5950
	0    1    1    0   
$EndComp
$EndSCHEMATC