Good morning all,

I finally found.
it was a power supply problem.
I upload the program using an arduino NANO.
PC USB port power was not strong enough to run the whole thing.
plugging my ESP32CAM into a 5V mains supply, it works.

I'm glad I solved my problem on my own.
if it can help other people

Hello, for several days I have been trying to program an ESP32 CAM. impossible, I tried several ESP32 Board Manager URL: - https://dl.espressif.com/dl/package_esp32_index.json - https://raw.githubusercontent.com/espressif/arduino-esp32/gh-pages/package_esp32_index.json impossible to create a simple ...