In this insightful and educational video, learn how to make a mini generator 220v using a DC motor. This step-by-step guide ...

Lost in the woods near a stream, with some empty water bottles, wire, plastic plates, and a stepper motor, *and* you need to charge your smartphone? Try this. OK, so perhaps you wouldn't ever be ...

[Glenn] from The Back Shed has built a lot of windmills and stationary generators over the years, but recently decided to try his hand at building something a bit more portable. The charger is based ...

For $10,000 and up, you can ride out power outages with an automatic, whole-house electrical backup system. But for most homeowners these days, an investment of $300 to $400 is more realistic. That’s ...

Researchers have developed a new type of small-scale electric power generator able to produce alternating current through the cyclical stretching and releasing of zinc oxide wires encapsulated in a ...

For many homeowners it takes only one loss of power overnight to spur the purchase of a generator. So, even as Hurricane Sandy raged through our area, PM tested four 2000-watt units to find out which ...

In this DIY tutorial, learn how to create your very own mini generator 220v at home using a basic DC motor. Perfect for ...