CCFL bike wheel lights

ccfl

We’d never discount the beauty that is the SpokePOV bike wheel kits, but if you want to just turn your bicycle into a blinding blur, [depotdevoid] has the solution for you. He had a CCFL tube left over from an abandoned LCD monitor backlight repair, and decided to see what it would look like as a wheel light. The result turned out fairly well. He had to figure out how to mount the 8 batteries plus step-up board. He says the extra weight isn’t really noticeable and the light output is quite bright. CCFLs can be incredibly fragile, so take care when you do the actual mounting.

Fiber optic flash ring


Ring lights that surround the lens are generally used for macro photography – they’re not cheap, but they’re one of the few ways to get shadowless photos. This fiber optic flash diffuser is based on the same ideas of this one. Rather than use a few large optic strands, [Joris] is using many, many more to decrease shadows as much as possible. His previous efforts are even more interesting. He built a LED version – with serial connected LEDs and a step up switching power supply to drive them. Then he moved on to cold cathode fluorescent before moving onto the fiber optics.

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