Hi guys, I'm after some help with regards to powering my esp32. It will power up using USB no problem, if I try to power it up via the 5v pin (which can take anywhere between 7-12v) it won't start. The lights come on etc but the WiFi wont start. I'm using a 9v 1A stepdown buck converter being power…

So, I seemed to have solved it. My understanding of the solution is more or less non existant though. I compared my current project to my old project to see what differences there were as they use the same board from the same supplier etc. What I noticed is that I was using different ground pins. …

Powering esp32 via 5V pin - help please

Projects General Guidance

Idahowalker February 4, 2023, 7:31pm 3

Sometimes I found when powering a ESP32 with a 5V switching regulator to get good operations I hand a 470uF Tant. cap on the 3V3 line.

Why does RS-232 Communication fail between these 3 ESP32's?

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Powering esp32 via 5V pin - help please

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