Solder-free touch sensing with MPR121 and STEMMA QT!
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, it’s a no-solder solution to capacitive touch sensing.
The new Adafruit MPR121 12-Key Capacitive Touch Sensor Gator Breakout guide has everything you need to get started with your new MPR121 Gator breakout. Details about the board itself are on the Pinouts page. Learn how to wire it up and use it with both Arduino and CircuitPython. Find resources on the Downloads page.
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