Features:

 3.3~5.0V wide operating voltage

•3.3V I2C digital level, optimized for 3.3V main control board such as Raspberry Pi, and also compatible •with 5V main control board such as Arduino UNO

•Gravity I2C Connector, plug and play, no welding

•On-board I2C address dial switch, the I2C address can be set

•Support the cascade of 8 multiplexer on address 0x70~0x77

•4 pin color-coded headers, simple and clear

Specifications:

 •Operating Voltage: 3.3~5.0V

•Connector Type: PH2.0-4P

•Interface Level: high 3.3V, low 0V

•Interface Protocol: I2C

•I2C Clock Rate: 100K, 400K

•I2C Port Quantity: 8

•Default I2C Address: 0x70 (dial switches all to 0)

•I2C Address Range: 0x70~0x77

•Dimension: 32*32mm / 1.26*1.26in