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Adafruit MPR121 12-Key Capacitive Touch Sensor Gator Breakout

Adafruit MPR121 12-Key Capacitive Touch Sensor Gator Breakout

Pimoroni

£6

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 touchpads with plug-and-play STEMMA QT connector and large alligator/croc-clip friendly pads, its a no-solder solution to capacitive touch sensing. The MPR121 has support for reading data over I2C, which can be implemented with nearly any microcontroller. You can select one of 2 addresses with the ADDR pin (solder it close for the alternative address), for a total of 24 capacitive touch pads on one

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Buy from PimoroniOut of stock. Price seen 2026-09-05. Affiliate link.

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