Troubleshooting
In LINUX, If serial port is not accessible, add your user to dialout group
sudo usermod -a -G tty my_username sudo usermod -a -G dialout my_username // or chmod 777 /dev/ttyACM0
In LINUX, If serial port is not accessible, add your user to dialout group
sudo usermod -a -G tty my_username sudo usermod -a -G dialout my_username // or chmod 777 /dev/ttyACM0
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