NEW GUIDE: Adafruit MCP23017 I2C GPIO Expander #AdafruitLearningSystem #Adafruit @adafruit

We’ve gotten a lot of requests for a MCP23017 breakout and we’ve always sorta been like “ehh why not just use the DIP chip?” but with STEMMA QT we could see the use case for a plug and play version that comes with all the passives on board. This Adafruit MCP23017 I2C GPIO Expander Breakout has 16 GPIO with matching ground pad.

The Adafruit MCP23017 I2C GPIO Expander guide has everything you need to get started with your new GPIO expander. There’s an overview, pinouts, CircuitPython and Python set up and examples, Arduino set up and examples, and download resources.

Check out the full guide: Adafruit MCP23017 I2C GPIO Expander!

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