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/MCP23017_IO_Expansion_Board
