by Boldport

A 16-bit I2C IO expander. This soldering kit from Boldport lets you add up to 16 inputs or outputs to your projects.

IxpandO is an input/output expansion board based on Microchip's MCP23017. When you run out of inputs or outputs for your project, use this project to connect up to 16 of them through an IĀ²C interface.

Note: requires surface-mount soldering!

Click here for the kit contents and assembly guide

IxpandO was project #16 of the Boldport Club.