Datasheet

Overview

Add lots of touch sensors to your next microcontroller project with this easy-to-use 12-

channel capacitive touch sensor breakout board, starring the MPR121. This chip can handle

up to 12 individual touch pads.

https://learn.adafruit.com/adafruit-mpr121-12-key-capacitive-touch-

sensor-breakout-tutorial

Page 3 of 20