May 042016
 

arduino-ide

If you’ve just installed the Arduino IDE on Ubuntu, you’ve likely encountered an error similar to the one above the first time you tried to upload a sketch to your board. The error that I specifically get reads:

avrdude: ser_open(): can't open device "/dev/tty/ACMO": Permission denied
ioctl("TIOCMGET"): Inappropriate ioctl for device
Problem uploading to board. ...

I got this error today while doing a fresh install of Arduino 1.6.8 on Ubuntu 15.10, aka Wily Werewolf, but I’ve also run into it on previous Ubuntu versions as well. As I suspect this is not the last time I’ll encounter it, I figure I should write up the solution here instead of having to hunt it down again the next time it stumps me.
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