Adding I/O with MCP23017 - Collin’s Lab Notes #adafruit #collinslabnotes
Channel: Adafruit Industries
Date: 2021-08-25

Don’t want to switch boards for more I/O? Add many many pins with an I2C port expander #adafruit #collinslabnotes
Upgrade with port expanders:
https://www.adafruit.com/?q=port+expander&sort=BestMatch

Visit the Adafruit shop online - http://www.adafruit.com

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