For searial connection
1. Plugin
2. 'sudo dmesg' and you'll find the right device
Or: a way for unique naming: (not sur it will have qmx or qdx in the name)
unplug and check whats inside: /dev/serial/by-id/*.
plugin and check again. the new one is yours. This name will never change, unlike ttyUSB*
And don't forget the modemmanager must be removed, what isn't easy, sometimes,? as should be.
