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+3V3

A3

SDA

AIN0

ESP_IO27

SCL

A6

ESP_IO32

A1

ESP_IO33

A7

C6

Capacitance

=10uF

A0

A2

SDA

C4

Capacitance

0.1uF

ESP_IO35

ESP_IO23

USB_D-

C8

Capacitance

0.1uF

ESP_IO25

USB_D+

ESP_IO26

AIN1

AIN3

SCL

USB_D-

ESP_IO34

A5

AIN2

C2

Capacitance

10uF

A4

SCL

R3

Resistance

10kΩ

R8

Resistance

4.7kΩ

R5

Resistance

5.1KΩ

R10

Resistance

10kΩ

R4

Resistance

4.7kΩ

U2

Manufacturer Part Number

MCP23017-E/SO

U4

Manufacturer Part Number

USB4110-GF-A

U5

Manufacturer Part Number

ADS1115IDGSR

[Example] ESP32 Reference Design