16 Digital module for Arduino Bluetooth Module IIC / I2C / TWI Turn For Arduino

Quick Detail:

Arduino only two data lines (SCL, SDA) and the module can communicate to convert the 16 digital IO ports, can be used for input and output.

Simultaneously in parallel eight modules, each module can be set by jumper address.

Description:

Arduino only two data lines (SCL, SDA) and the module can communicate to convert the 16 digital IO ports, can be used for input and output.

Simultaneously in parallel eight modules, each module can be set by jumper address.

product photo:

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