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Files

Schematic

Layout

3D View

R3
Resistance
10kΩ
ESP_IO39
SDA
ESP_IO18
ESP_IO27
SCL
ESP_IO4
ESP_IO32
ESP_IO13
ESP_IO36
ESP_CMD
ESP_EN
ESP_IO33
ESP_RX
A0
ESP_IO2
ESP_IO35
SDA
ESP_IO23
SCL
ESP_IO5
ESP_IO25
ESP_IO14
ESP_SD0
ESP_IO0
ESP_CLK
ESP_TX
ESP_IO16
ESP_IO17
R4
Resistance
4.7kΩ
ESP_IO15
ESP_SD3
ESP_IO26
ESP_IO12
ESP_SD2
B0
ESP_SD1
ESP_IO34
ESP_IO19
R1
Resistance
10kΩ
R2
Resistance
10KΩ
C5
Capacitance
=0.1uF
TP1
TP2
U2
Manufacturer Part Number
MCP23017-E/SO
TP5
C4
Capacitance
0.1uF
TP4
TP3
C7
Capacitance
10uF
TP6
+3V3
+3V3
+3V3
+3V3
+3V3
+3V3
U1
Manufacturer Part Number
ESP32-WROOM-32

[Example] ESP32 Reference Design