For a project I have been working on, I want to sense if the door handle is being touched. I planned to do this by using the Capacitive Sensing Library, with a wire going to the door handle. However, I realized that the door is also metal, which makes my values largely increase so it does not react …

Capacitive touch on metal door

Grumpy_Mike November 2, 2021, 9:54am 4

The MPR121 capacitive touch sensor.

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