SpokePOV

Spoke POV is an easy-to-make electronic kit toy that turns your bicycle wheel into a customized display! The project includes a free schematic design, open software for uploading and editing stored bitmap images, and a high-quality kit with all the parts necessary to build your own.Specification & Features Can be used with road, mountain or BMX wheels! 30 LEDs on each side (22 for BMX) x 256 radial pixels Runs on 2-3 AA batteries for 10 hours or more, assuming 3000mAh alkalines and 50% image coverage. Can run on rechargable NiMH AA's Comes with high-brightness red LEDs, but can be upgraded with green, blue, amber, etc. Automatically shuts off after 3 minutes wxPython based software runs on any Linux or Windows PC with a parallel port Design is all through-hole parts, perfect for a first time kit builder. With one spoke, total persistence at 15mph. Two spokes, 10mph. Three spokes, 7mph. (Assuming a mountain bike wheel). Looks cool even if not completely persistant. Great for safe riding at night, provides excellent side visibility. Playa-tested!

Source: ladyada.netAdded: 18 December 2006