Adafruit ENS161 MOX Gas Sensor Smell the air over I2C by Liz Clark published December 02, 2025, last edited December 08, 2025 posted in Sensors Adafruit Products Arduino Compatibles 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 CircuitPython and Python Python Docs Arduino Arduino Docs Downloads Single page Feedback? Corrections? Text View Primary Products Your browser does not support the video tag. Adafruit ENS161 MOX Gas Sensor $21.95 Add to Cart Featured Products view all STEMMA QT / Qwiic JST SH 4-Pin Cable - 50mm Long $0.95 Add to Cart STEMMA QT / Qwiic JST SH 4-pin Cable with Premium Female Sockets $0.95 Add to Cart STEMMA QT / Qwiic JST SH 4-pin to Premium Male Headers Cable $0.95 Add to Cart JST SH 4-pin Cable with Alligator Clips - STEMMA QT / Qwiic $2.95 Add to Cart STEMMA QT / Qwiic JST SH 4-pin Cable - 100mm Long $0.95 Add to Cart 1 New Beginner Product guide Downloads Files ENS161 Datasheet EagleCAD PCB files on GitHub Fritzing object in the Adafruit Fritzing Library 3D models on GitHub Schematic and Fab Print dimensions are in inches Page last edited December 08, 2025 Text editor powered by tinymce. Arduino