Answers for "avrdude: ser_open(): can't open device "/dev/ttyACM0": Permission denied ioctl("TIOCMGET"):"

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avrdude: ser_open(): can't open device "/dev/ttyACM0": Permission denied ioctl("TIOCMGET"):

# On a terminal:

#If you use Ubuntu, Debian etc...
sudo adduser <yourname> dialout

# If you user Arch Linux...
sudo gpasswd -a <yourname> dialout

#then

sudo chmod a+rw /dev/ttyACM0
Posted by: Guest on December-15-2020

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