Using MCP23008 & MCP23017 with CircuitPython by Tony DiCola published March 08, 2018, last edited January 22, 2025 posted in CircuitPython 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. Download Overview Python & CircuitPython Python Docs Single page Feedback? Corrections? Featured Products view all MCP23008 - i2c 8 input/output port expander Out of Stock MCP23017 - i2c 16 input/output port expander $6.95 Add to Cart Adafruit Feather M0 Basic Proto - ATSAMD21 Cortex M0 $19.95 Add to Cart Adafruit Feather M0 Express Out of Stock Adafruit METRO M0 Express - designed for CircuitPython $24.95 Add to Cart Your browser does not support the video tag. Adafruit GEMMA M0 - Miniature wearable electronic platform $9.95 Add to Cart Adafruit Trinket M0 - for use with CircuitPython & Arduino IDE $8.95 Add to Cart Adafruit ItsyBitsy M0 Express - for CircuitPython & Arduino IDE $11.95 Add to Cart 29 Beginner Skill guide Python Docs Page last edited October 16, 2018 Text editor powered by tinymce. Python & CircuitPython