IO expanders with the Raspberry PI and Circuit Python

Published: Fri 19 April 2024
Updated: Fri 19 April 2024 by Ludo In Hardware

How to use MCP23017 IO expanders with the Raspberry PI and Circuit Python.

Like me, you may have a small project to connect one or more rotary encoders to your Raspberry PI. The MCP23017 chip seems ideal for this, and is easy to connect to the Raspberry with its I2C …

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