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Hi!As i remember it lights up, but i finally preferred to use some common 5mm leds to have a bigger surface.For best rusults i suggest you to use a pre-winded coil, there are many more turns and it is more precise.In this other project i experemented myself how hard is to wind up a coil :)http://www.instructables.com/id/DIY-contactless-magnetic-bike-rim-dynamo/
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