• Two MCP23017 16-bit I2C I/O Expanders
  • Strong library support for all major microprocessors (Arduino, Raspberry Pi, BeagleBone)
  • GitHub repo for the DigIO32-I2C Card Arduino library
  • EEPROM for board ID and application specific information
  • Write Enable jumper protects EEPROM against accidental damage
  • I/O Connector is inexpensive/standard DB-37
  • ODAS form factor (width is 95 mm)
  • 6-32 Mounting holes Host connectors
  • Daisy-chain I2C connector
  • Address select jumper (2 addresses - can support up to 4 cards)
  • Power connector (not required for minimal loads
  • Supports 3.3V or 5V signal levels
  • Fuse protected power output on DB-37
  • I2C Termination jumpers for end of I2C chain

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