Hi, So i'm tinkering away, i've got a 12v seperate line going in, and the arduino powered from the usb... everything is going fine, tweaking away the way we like to by doing it live and seeing all those leds light up one by one, and click i tap the -ve line for one side of the board straight into …

How to protect the computer itself

kelvinmead September 10, 2012, 11:32pm 3

simple, i like it!

is it a common problem?