Adafruit MCP3421 18-Bit ADC 18-bits of resolution over I2C by Liz Clark published January 15, 2024, last edited January 21, 2025 posted in Adafruit Products Arduino Compatibles CircuitPython Breakout Boards 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 CircuitPython and Python Python Docs Arduino Arduino Docs WipperSnapper Downloads Single page Feedback? Corrections? Text View Guide Products view all Your browser does not support the video tag. Primary Adafruit MCP3421 18-Bit ADC - STEMMA QT / Qwiic $5.95 Add to Cart View product details 2 Beginner Product guide Python Docs Page last edited January 12, 2024 Text editor powered by tinymce. CircuitPython and Python Arduino