Adafruit MPR121 12-Key Capacitive Touch Sensor Breakout Tutorial by lady ada published July 25, 2014, last edited January 21, 2025 posted in Sensors Adafruit Products Breakout Boards/ Touch 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 Assembly Arduino Python & CircuitPython Python Docs Raspberry Pi Virtual Keyboard Electrodes Downloads Single page Feedback? Corrections? Text View Featured Products view all Adafruit 12-Key Capacitive Touch Sensor Breakout - MPR121 $7.95 Add to Cart Adafruit 12 x Capacitive Touch Shield for Arduino - MPR121 $12.50 Add to Cart Your browser does not support the video tag. Adafruit Capacitive Touch HAT for Raspberry Pi - Mini Kit $14.95 Add to Cart Flex PCB Material - 6" by 6" Square $9.95 Add to Cart Copper Foil Tape with Conductive Adhesive - 25mm x 15 meter roll $19.95 Add to Cart Copper Foil Tape with Conductive Adhesive - 6mm x 15 meter roll $5.95 Add to Cart Woven Conductive Fabric - 20cm square $4.95 Add to Cart 75 Intermediate Product guide Downloads Datasheets & Files MPR121 Datasheet EagleCAD PCB files on GitHub Fritzing object in Adafruit Fritzing library STEMMA QT Revision Schematic and Fab Print Original Breakout Board Schematic and Fab Print Page last edited March 08, 2024 Text editor powered by tinymce. Electrodes