We’ve seen plenty of motor projects, but [Jeremy]’s DIY Tubular Linear Motor is a really neat variety of stepper motor in a format we certainly don’t see every day. It started as a design experiment ...

If you were not aware, LEDs can also work in reverse: they deliver tiny amounts of current, in the microamp range, when illuminated. If you look on YouTube you can find several videos of solar panels ...

Discover how to make a DIY hand-powered mobile phone charger using simple materials such as two small DC motors and a piece of cardboard. This step-by-step tutorial covers mounting the motors, wiring ...