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Some assembly required, batteries not included

December 13, 2008

A dynamo-or-battery-driven set of lights for a bike — 200 lumens white to the front, amber low beams and running light, and a red-orange tail-light. It’s about a 3-watt system, using mostly-latest LEDs from CREE (white) and Luxeon (amber and red-orange).Parts, not including spare tape, solder, hardware, etc.

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Low beams. Notice the sharp cutoff. This was taken with a flash.

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High beams. Some cutoff, but not as much.

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The little blue box. The rectifier is below, the regulator and plugs for rear and running light, are above.

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