Here, I've got an HP scanner bed sitting on the Technics 1200 platter. The scanner is being driven by an Arduino with Adafruit Motorshield, and the 1200 platter is being turned by a 12RPM DC motor. On the scanner carriage is an LED. Right now this only creates circles and spirals, but I'm hoping this will be a platform which I can combine with other techniques I've been working on to create more complex, generative work.

Results of a quick test here:
kimpimmel.posterous.com/working-on-the-new-light-painting-machine-the

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