exactly:
processing.app.SerialException: Serial port '/dev/tty.usbmodem5d11' already in use. Try quiting any programs that may be using it.
But it is not true !!
exactly:
processing.app.SerialException: Serial port '/dev/tty.usbmodem5d11' already in use. Try quiting any programs that may be using it.
But it is not true !!