It is not enough to add the user to dialout. You also have to sudo apt-get remove modemmanager Check this: http://askubuntu.com/questions/133235/how-do-i-allow-non-root-access-to-ttyusb0-on-12-04 and this: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/662881
I'm using ubuntu 13.04 by the way.
It is not enough to add the user to dialout. You also have to sudo apt-get remove modemmanager askubuntu. com/questions/ 133235/ how-do- i-allow- non-root- access- to-ttyusb0- on-12-04 /bugs.launchpad .net/ubuntu/ +source/ linux/+ bug/662881
Check this: http://
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I'm using ubuntu 13.04 by the way.