Running ESP32 with 3.3 Volt inut

[sheepy]

Hello,
I want to run my ESP32 with a 3.3V power supply.

I connected the supply to GND and the 3.3V Pin but than only the power led is shining.
Whats wrong with that setup?

Thank you

[Sprite]

Kind-of hard to say... an ESP32 by itself is a bare chip and as such does not have a LED; I think you mean an ESP32 development board? If so, which one?

[sheepy]

The issue was fixed. The error was in the software.
It is a WRoom32 Devboard.

Best regards