Arduino files for the Rainbowduino based spectrum analyzer I first got the Seeed Studio 3D LED Cube, which included a Rainbowduino as it's controller. It looked like a lot of fun so I got the 8x8 RGB ...

The Arduino has long since proven itself to be one of the biggest boons to DIY heads since the soldering iron, but that doesn't mean it's not still able to impress, as amply demonstrated by this ...