• 16-bit Digital I/O card
    • MCP23017 16-bit I2C I/O Expander
    • Strong library support for all major microprocessors for MCP23017
  • I2C Interface - Two Wire Interface
    • Can run at 400 KHz or faster
  • I/O Connector is inexpensive/standard DB-25
    • Fuse protected power output on DB-25 with jumper bypass
  • Large prototyping area
    • Connections at edges to DB-25 and GPIO lines
  • EEPROM for board ID and application specific information
    • Write Enable jumper protects against accidental writes
  • Open Data Acquisition System (ODAS) form factor (width is 95 mm)
  • Host connectors
    • Daisy-chain I2C connector
    • Address select jumper
    • Expandable I2C via I2C-RPT - I2C Repeater
    • Interrupt out/Card Present
    • Power connector (not required for minimal loads)
      • Reversible pinout for safety
  • I2C Termination jumpers for end of I2C chain
  • Power can be 3.3V or 5V
  • 95mm wide Open Data Acquisition System format
  • 6-32 Mounting holes

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