BO-MCP23017 Developer boards - I/O expansion board, MCP23017

The MCP23017 IO Expansion Board extends 2 signal pins to 16 I/O pins based on the I2C bus. Up to 8 expansion boards can be used simultaneously.

- I2C controlled, extends 2 signal pins as 16 I/O pins - I2C address configurable by short-circuiting the A0/A1/A2 bridges - offers two connection options: PH2.0 Terminal and/or solder pads - integrated voltage converter, compatible with 3.3 V / 5 V level - Supplied with development resources and manual

Technical data - Operating voltage: 5 V / 3.3 V - interface: I2C - Interrupt pins: INTA, INTB, INTB - Expansion I/Os: 16 - Mounting hole size: 2.0 mm - Dimensions: 38 × 23 mm

Documentation and downloads can be found here: www.waveshare.com/wiki/MCP23017IOExpansionBoard