FireBeetle Board-ESP32 FAQ【DFR0478】

1.code doesn't work

FireBeetle made a pin mapping for Arduino IDE. It can be configured with Dx transport.

SoftwareSerial mySoftwareSerial(D10,D11);//TX,RX

2.The built-in hall sensor cannot be used

The internal hall sensor is not functioning properly. It is recommended to connect the sensor externally.

3. FireBeetle ESP32 not in COM devices

Please install the driver CH340 and change the data cable.

4.serial.serialutil.SerialException: Cannot configure port, something went wrong. Original message: WindowsError(5, 'Access is denied.')

Please try another computer.

5. Approximate Bluetooth transmission distance (open environment)

about 20m

6.The USB port disappears when connecting to an Ubuntu computer.

For the CH341 uart converter, the Braille terminal automatically took control of the device and crashed it (which made the ttyUSB0 disappear), You can find the solution by following the link below:

https://stackoverflow.com/questions/70123431/why-would-ch341-uart-is-disconnected-from-ttyusb

（Thanks to Mr Nicolas for this faq）

If you have other questions, just feel free to post them in our forum for consultation. We will reply them as soon as possible and improve the product FAQ gradually.