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by paulymorph
Fri Feb 22, 2019 3:19 pm
Forum: Hardware
Topic: Internal PULLUP resister damaged?? (GPIO22)
Replies: 0
Views: 2464

Internal PULLUP resister damaged?? (GPIO22)

I have a simple arduino sketch that has been working for weeks on an MH-ET ESP32 Devkit board. I have a momentary button between GPIO22 and GND. In the sketch I configure GPIO22 as INPUT_PULLUP, then based on a button press I have it send an MQTT Message to my broker. The button stopped triggering t...