Check that usb devices has permission and which port or in lsusb
ls -l / dev | grip ttyUSB
Found the device port, configure the port number in the startup file
<param name="serial_port" type="string" value="/dev/ttyUSB0"/>
Check that usb devices has permission and which port or in lsusb
ls -l / dev | grip ttyUSB
Found the device port, configure the port number in the startup file
<param name="serial_port" type="string" value="/dev/ttyUSB0"/>