The idea for this circuit came when the author had problems with the wireless speedometer on his bicycle. Such a device consists of two parts: the cycle computer itself and a transmitter that is ...

Dynamo hubs are fantastically convenient. They power your lights whenever you ride, meaning you never have to change batteries. And because they are sat inside the wheel hub, they're safe from the ...

If you want to charge your gadgets while you ride your bike, then the best way has been to think ahead and get the bike fitted with a dynamo hub when you buy it. Now, there's another option: a ...

BioLogic has revealed a ReeCharge Dynamo kit capable of pedal powering any gadget with a micro-USB input. “Millions of bicycles are already equipped with dynamo hubs that can generate green power ...

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 ...