I just got an Arduino starter kit and want to start learning more about working with electronics.

But I have a problem, the Arduino ToolsSerial Port menu item is greyed out and I do not know how to get it to work.

It may be important to note that the L on the board is blinking as though I uploaded the example blink script (blinking corresponds to Communicating With The Arduino -- Setting Up in the project book). However, I did not upload the script…

  • 2
    @Alvar Communication between Ubuntu and the Arduino...
    – Wilf
    Dec 21, 2013 at 0:06

2 Answers 2


Problem solved, Once I ran the program as root I was able to get it to work. In Terminal sudo arduino


Maybe this helps to avoid running Arduino IDE as root: http://playground.arduino.cc/Linux/All#Permission

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