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Adafruit 12 x Capacitive Touch Shield for Arduino - MPR121 is an official Adafruit product available from Circuitrocks, an official distributor of Adafruit. A touch-input shield that lets Arduino projects react to human touch using up to 12 capacitive touch electrodes.
Why choose this Adafruit board or module?
- 12 touch channels on one shield
- Great for interactive art and musical interfaces
- Easy to clip onto conductive objects
What you can build
Fruit pianos, Interactive control panels, Touch-triggered art projects.
Technical description
Adafruit 12 x Capacitive Touch Shield for Arduino - MPR121 is designed for makers, engineers, and educators who need a genuine Adafruit part with dependable documentation, known compatibility, and easy access to official support material. It is a practical choice for prototyping, testing, and repeatable electronics builds.
Technical specifications
| Controller | MPR121 |
|---|---|
| Channels | 12 capacitive touch inputs |
| Interface | Arduino shield form factor |
| Use case | Touch objects via clips or direct pads |
| Logic | Arduino-friendly |
| Extras | Works with Adafruit example code and libraries |
Pinout & power notes
Works especially well with conductive objects attached through alligator clips.
What’s in the box
Shield board.
Official resources
Manufacturer product page: https://www.adafruit.com/product/2024
Guide / tutorial: https://learn.adafruit.com/adafruit-mpr121-12-key-capacitive-touch-sensor-breakout-tutorial
Datasheet / downloads / documentation: https://learn.adafruit.com/adafruit-mpr121-12-key-capacitive-touch-sensor-breakout-tutorial
Q: Can I use fruit or metal as touch pads?
A: Yes. Adafruit specifically shows the shield used with fruit and other conductive objects.
Need this for a student build, prototype, or production-ready electronics project? Circuitrocks helps makers, schools, and developers source genuine Adafruit products with access to official documentation and manufacturer references.
Manila stock. Order before 16:00 PHT, ships today via J&T or LBC. Provincial: 1–3 working days.
Schools / class POs: we accept Purchase Orders for accredited schools and universities. contact us with your PO details.
Returns: 7-day inspection window for DOA units. Email proof of issue and we ship a replacement.
Compatibility & downloads
// downloads
- GitHub PCB repo git
- GitHub PCB repo git
- GitHub PCB repo git
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