1. Try to restart the board after you run the program. It sometimes helps.
2. Make sure that the baud rate in the board selector dialog is correct (115200).
3. Are you able to read the logs with Arduino IDE?
1. Try to restart the board after you run the program. It sometimes helps.
2. Make sure that the baud rate in the board selector dialog is correct (115200).
3. Are you able to read the logs with Arduino IDE?