Adafruit MCP23017 I2C GPIO Expander by Liz Clark published March 23, 2022, last edited April 15, 2025 posted in Adafruit Products CircuitPython Breakout Boards Programming/ MicroPython / CircuitPython STEMMA Save New Favorite × Please sign in to include this guide in your list of favorites. You will be redirected back to this guide once you sign in, and can then save this guide as one of your favorites. Link Note Download Overview Pinouts Python & CircuitPython Python Docs Arduino Arduino Docs Downloads Single page Feedback? Corrections? Text View Primary Products Adafruit MCP23017 I2C GPIO Expander Breakout $5.95 Add to Cart Featured Products view all STEMMA QT / Qwiic JST SH 4-Pin Cable - 50mm Long Out of Stock STEMMA QT / Qwiic JST SH 4-Pin Cable - 200mm Long Out of Stock STEMMA QT / Qwiic JST SH 4-pin to Premium Male Headers Cable $0.95 Add to Cart STEMMA QT / Qwiic JST SH 4-pin Cable with Premium Female Sockets Out of Stock JST SH 4-pin Cable with Alligator Clips - STEMMA QT / Qwiic $2.95 Add to Cart 15 Beginner Product guide Python Docs Page last edited March 17, 2022 Text editor powered by tinymce. Python & CircuitPython Arduino
