NerdKits - DIY Marquee LED Array Display
double your addressable LEDsDIY Grow Lights | Popular Science
DIY Grow Lights | Popular ScienceYouTube - Extreme Sheep LED Art
We took to the hills of Wales armed to the teeth with sheep, LEDs and a camera, to create a huge amazing LED display. Of sorts.Evil Mad Scientist Laboratories - Simple Solar Circuits
A replacement for the black and white stripes of the traditional barcode is outlined by US researchers.
A replacement for the black and white stripes of the traditional barcode has been outlined by US researchers. Bokodes, as they are known, can hold thousands of times more information than their striped cousins and can be read by a standard mobile phone camera.
bocode project from MIT media lab. small code visible to cameras, but not human eye. Different info from different directions.Bedazzler - DIY non-lethal weaponry