2012/7/17 Karol Babioch <karol@xxxxxxxxxx>: > This can (and to my opinion should) be changed, so you don't need to be > root. See [1] for some examples for various programmers. > > First of all you should try to use the upstream package, which can be > downloaded here [2]. It already contains the necessary tool chain > (including avr-gcc and/or avr-g++), so it probably should work just > fine. If it does function, you can then look into the reason why your > setup doesn't work. > > Best regards, > Karol Babioch > > [1] > https://wiki.archlinux.org/index.php/Udev#Accessing_Firmware_Programmers_and_USB_Virtual_Comm_Devices > [2] http://arduino.cc/en/Main/Software So I am actually using the default arduino installation, and the curious thing is that if I write a program which does something with the leds everything compiles and runs perfectly. But if I try to use the Serial object (for example Serial.begin(9600);), it stops to compile. I tried both with "ino" and gnoduino, but I don't think is a problem of the tool..