I have an ESP32 C3 SuperMini dev board.
I can code all my programs fine in Arduino / PlatformIO and I can debug using the serial monitor.
But when I power up the board with normal USB power it doesnt ececute the code.
If I monitor the board in Arduino / PlatformIO (without flashing again) it all works fine.
I dont have the same problem with ESP32 or 8266 boards.
Do I miss a booting option somewhere ?
ESP 32 C3 Supermini only works in monitor mode
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Re: ESP 32 C3 Supermini only works in monitor mode
Do you happen to use GPIO9 for something? Also, does the board boot up succesfully when you don't have USB connected when you press the reset button?
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Re: ESP 32 C3 Supermini only works in monitor mode
What version of arduino-esp32? There were some issues with usb serial blocking the cpu in some of the 2.0.x versions.
Re: ESP 32 C3 Supermini only works in monitor mode
Additionally, you may check if your setup() has something like:
If so, try to replace that with a fixed delay, eg
Code: Select all
while (!Serial);
Code: Select all
delay(5000);
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