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IIC - GPIO Digital Pins: 16, P0.0 ~ P0.7; P1.0 ~ P1.7

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IIC Port: 1

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UART Port: 1

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Power Supply: 5 VDC / External Power Supply (jump cap switch)

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Reset Button: 1

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Dimensions: 53.34 x 54.48 mm / 2.1 x 2.14 inches

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Weight: 30g

Board Overview

NumName

Description

1 External Power

5 VDC

2 VCC Jumper Caps

Choose to power from board or shield external

power

3

PCA9555DB IIC Address

Setting

Set PCA9555DB I2C Address 0x20~0x27

4 Arduino Digital I/O Pins

D0~D13

5 Arduino Analog input Pins

A0~A5

6 IIC to GPIO Digital Pins

P0.0~P0.7; P1.0~P1.7

7 IIC Port

IIC Communication

8 UART Port

UART Communication