ESP32 Using the touch pads

The ESP32 has the capabilities to define up to 10 GPIO’s as Touchpads. There is no external hardware needed, it requires only to connect a pad (piece of metal or just an uninsulated wire) to the GPIO. This is an example of a pad I used for testing:   As you can see I just used a piece of scrap metal with a wire soldered to it. The wire then was directly connected to the GPIO of the ESP32. I was

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