![]() Some readers were using 3.3V and reported that when powering the ESP32-CAM with 5V, the issue was fixed.īoard at COMX is not available – COM Port not selected.Use a different computer USB port or use a USB hub with an external power supply.Try a different shorter USB cable (with data wires).Or not enough power provided by the computer USB port.Board with some defect (bad solder joints).It’s often related to one of the following issues: It means that there’s some sort of hardware problem. When you open your Arduino IDE Serial Monitor and the error message “Brownout detector was triggered” is constantly being printed over and over again. Brownout detector or Guru meditation error This error means that the ESP32-CAM is not in flashing mode or it is not connected properly to the FTDI programmer.
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