Hi Spile2, thank you for the suggestion. I did not power it with 5V and USB simultaneously. What ground pin would you use with VIN, when not powering over USB? I did use the USB power, since I have some of those USB chargers around. And most importantly, I really want to find out the reason, why thi...

Hello lovely people of the forum! I just finished my first ESP32 project: A temperature controller using a simple temperature sensor and a relay to turn on/off a heating element for my ant-farm. I have the wiring and all the components wired up and the script does exactly what it should. During deve...