DFRobot Gravity I2C 16 Digital IO Expansion Module MCP23017

• DFRobot Gravity I2C 16 Digital IO Expansion Module MCP23017
• Offers multiple IO mode
• Has changeable I2C address by dial switch
• Supports to expand 128 IOs at most
• Multiple VCC and GND pins leaded
• Compatible with both 3.3 V and 5 V

The DFRobot Gravity I2C 16 Digital IO Expansion Module MCP23017 is an IO expansion module. The module can expand an additional 16 IOs. It can set 8 I2C addresses, which means with this module, the microcontroller can connect 8 modules, and expand 128 IOs at most. The module solves insufficient IO ports problem in applications like robots and interactive media.