when I execute node test2.js I get :
ERROR: Cannot get exclusive lock for serial port /dev/ttyUSB0. Error code 11
2020-07-02 11:35:57.177 Error, ERROR: Failed to open serial port /dev/ttyUSB0
In the other side ,/dev/ttyUSB0 worked successfully with MinOZW
And I modified permission for dev/ttyUSB0
crwxrwxrwx 1 root dialout 188, 0 juil. 2 10:50 /dev/ttyUSB0
when I execute node test2.js I get : ERROR: Cannot get exclusive lock for serial port /dev/ttyUSB0. Error code 11 2020-07-02 11:35:57.177 Error, ERROR: Failed to open serial port /dev/ttyUSB0 In the other side ,/dev/ttyUSB0 worked successfully with MinOZW And I modified permission for dev/ttyUSB0 crwxrwxrwx 1 root dialout 188, 0 juil. 2 10:50 /dev/ttyUSB0