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That’s right folks… TechEvangelists is videoblogging! We aim to document and explore whatever tickles our tech-art fancy, including interviews with both under-the-radar tinkerers and your favorite Web 2.0 luminaries. For our debut video, we turned inward to our own Matt Gray (bio | blog). He bought an old stoplight on eBay and, out of sheer boredom, decided he wanted to control it with a computer. A party machine is born.

Matt promises to provide a step-by-step outline after the holidays, including schematics and the script controlling how the stoplight responds to music input.