The protocol outlines standard testing methodologies of things like lumens, runtime, beam distance, and impact and water ...

Remember those "bottle"-type dynamos that rubbed against the side of your bike tire in order to power the lights? Well, they've gotten a high-tech makeover, in the form of the fork-mounted CadenceX ...

Despite the continuous advances being made in lithium-ion battery technology, many cyclists still prefer to use dynamo-powered lights on their bikes - there's no having to remember to recharge the ...

The hassle with biking gadgets is they draw energy. Even if you’re running everything off your phone (Strava, music, GPS, video, the occasional pic, message, or phone call) the serious worry is that ...

This project is in one of our favorite categories; the kind where asking “why?” is the wrong question. [Berto A.] built the device after observing some power generation by placing a large magnet next ...

An interesting circuit of a bicycle horn based on a popular, low cost telecom ringer chip is described here. This circuit can be powered using the bicycle dynamo supply and does not require batteries, ...