Adafruit 12-Key Capacitive Touch Sensor Breakout - MPR121

Handles up to 12 individual touch pads Easy-to-use 12-channel capacitive touch sensor breakout board Supports only I2C, which can be implemented with nearly any microcontroller Select 1 of 4 addresses with the ADDR pin, for a total of 48 capacitive touch pads on one I2C 2-wire bus Updated in 2021 - Now featuring STEMMA QT connectors for quick connectivity