Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
Yep, as you can see, /dev/ttyACM0 has no right for group :
actually the group permissions are rw only others have no access. So this looks correct to me.
rw
