Troubleshooting Steps
Cannot Flash a Firmware
List of Symptoms:
$ ls /dev doesn’t list ESP32-C3 serial device
Windows Devices Manager doesn’t list ESP32-C3 serial device
Thonny shows error while flashing firmware (or Micropython) using Windows
Possible causes:
- Windows is blocking access to Espressif Serial device
On Linux, the DevBoard device shows briefly and then disappears; the command ls /dev shows no DevBoard device
Possible causes:
- USB-C resiptacle wasn’t soldered properly; some pins have poor connection
- ESP32-S3 Module wasn’t soldered properly; some pins have poor connection
Device manager alternates visibility of DevBoard device from connected to disconnected
Possible causes:
- Strapping pins pull-up resistors or capacitors are incorrect
Issues during uploading the firmware
Possible causes:
- ESP32-C3 Module was not properly soldered; some pads have poor connection. Consider re-flowing/re-soldering
- USB-C reciptacle was not properly soldered; some pads have poor connection. Consider re-flowing/re-soldering