I used a simple sketch from dronebot workshop YouTube channel to test my new ESP32. Unfortunately the serial plotter just shows noise even when there is a magnet. But when touching the SN and SP pins, the value drops as if it's a touch sensor. I used the hallread() statement

ESP32 Hall Effect Sensor Not Working

TomGeorge October 11, 2021, 12:21pm 12

Hi,
I would say the OP needs to look at this;

Tom...