[Jim Fong] sent in this demo of his version of the UHU servo motor controller. [Uli Huber] has actually shipped over 2500 controllers for the servo. He doesn’t charge much for the chips, and only asks ...

Discover how to build a compact DIY disk sander using an old electric motor. This step-by-step guide shows all phases, from preparing the motor and cutting wood for the sanding disk to fabricating a ...

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 ...

DIY musical instruments are particularly challenging projects, because they not only have to work, they also have to sound good. If even a single piece is out of place, it could throw the entire ...