I am rapidly becoming obsessed with making LED lights. I have a couple of old bike lights that are very stylish, and would be fantastic once retrofitted with LED light sources, and potentially powered by dynamos. I should state here that I have yet to actually do anything related to this obsession, other than look for information on the interweb.
The best resource I found was this website, which has information, explanations, and diagrams of several basic, bike-specific, battery- and dynamo-powered designs. There are also lots of step-by-step instructions on various DIY websites. If you know a source for more information, let me know.
This site has instructions for the construction of a very look looking battery-powered headlight using three 3 watt Luxeon LEDs. It wins big points from me for the use of a binder clip as the central structural component. Also, the heat-sinks look very cool and space-age.
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Did you ever build your bike light? If so how do you like it?
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