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SparkFun Touch Shield (MPR121QR2)

by Sparkfun

The MPR121QR2 IC is a great way to build simple capacitive touch interfaces, and now itโ€™s even easier to incorporate into your Arduino projects with the touch shield.

The touch shield has

  • 9 capacitive touch pads
  • headers for the remaining 3 electrode connections so that with this shield you can have a total of 12 touch sensitive buttons.
  • An on-board logic level converter allows it to work with 5V and 3.3V Arduino boards.

Simply solder on some header pins and stack it on to your Arduino for a convenient input device. Check below for some example code to get you started.

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