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by barafael
Thu Mar 18, 2021 10:40 pm
Forum: ESP32 Arduino
Topic: Powering the dev kit v4 with 5V; sometimes, FW won't start
Replies: 1
Views: 2548

Powering the dev kit v4 with 5V; sometimes, FW won't start

I am powering my project with USB during development. That works really well. But when I test if it works with the lab power supply on the 5V pin, it does not work sometimes. The red power supply comes on always, though. When I attach the USB additionally (I know I shouldn't) it starts working immed...