Experienced Linux sysop but new to Arduinio IDE and was just fiddling with an adafruit feather did all the standard things but like many others removing/disabling modemmanager worked so better just do it and see.
Experienced Linux sysop but new to Arduinio IDE and was just fiddling with an adafruit feather did all the standard things but like many others removing/disabling modemmanager worked so better just do it and see.