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ESP32 freezes when serial port is opened. #443

@nguterresn

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@nguterresn

As the title states, when opening the serial port (via Monitor for example), the ESP32 freezes.

It really doesn't matter if the Serial.begin is called or not, it will freeze anyways.
I tested this with different cables, different ports, different computers - nothing works and seems to be a problem of the ESP32 only, since ESP8266 work correctly.

My board is the ESP32-CAM-MB and it works seamlessly until the serial port is opened. I tested running a simple blink code and the blink would stop whenever the serial port was opened.

Does anyone has fix for this?

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