Features 

  • (8) of MCP23017 - 16 bit GPIO x 8 
    • Total of 128 bits of GPIO
  • I2C host interface 
    • MCP23017] I2C Parallel I/O 
    • Two Wire interface 
    • 100/400 KHZ operation 
    • 25mA sink/source capability per I/O 
    • Jumper selectable terminators 
    • Single 4-pin host interface connector (Ground, Power, Clock, Data) 
  • 0.1" Pitch I/O Connectors 
    • 8 x 16 digital I/O per MCP23017 
    • 2 Power
    • 2 Ground 
    • Interrupt connectors 
    • Dual I2C Connectors (useful for I2C daisy-chain to other I2C devices)
    • Power Connector 
  • 24LC024 Personality EEPROM 
  • 3.3V or 5V operation 
  • Compatible with Arduino, Raspberry Pi, BeagleBone Black 
  • 95x95mm form factor 
  • (4) 6-32 mounting holes - one on each corner