Build Your Own Arduino-Based Massive LED Video Display
Sometimes you just want to get big. Case in point: Make’s guide to building your giant Jumbotron-style LED video display.
The project is based on a Teensy microcontroller , several LED strips, and a few other details. Once your project is complete, you can hang your screen anywhere and use it as a display for your computer. You will by no means get high quality images, but that doesn’t make it any less interesting. Go to Make for a complete guide and parts list.