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ESP32 Capacitive Touch Input Using Metallic Hole Plugs for Buttons

ESP32 Capacitive Touch Input Using “Metallic Hole Plugs” for Buttons

As I was finalizing design decisions for an upcoming ESP32 WiFi Kit 32 based project requiring three button input, one noticeable problem was that the WiFi Kit 32 does not possess a single mechanical pushbutton, yet alone three mechanical buttons, for input. However, the WiFi Kit 32 does have plenty of capacitive touch inputs, so

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