Laser Knuckles
by Graffiti Research Lab
Messages are encoded as periodic square waves which light the 8 LEDs. By moving the projection across an urban surface the pattern is applied temporarily. Messages are decoded through timelapse imagery. What appears as flicker- ing light sources are actually a projective dot-matrix printer, programmable and decipherable by those in the know.

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Project Video:
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Relevant Web Addresses:
http://www.graffitiresearchlab.fr/?portfolio=laser-knuckles-prototype-v0-01