It has been a long haul, but I finally have the motor in my '67 Beetle EV conversion. I've had one setback after another, but I expected it to be the most technically challenging part of the job and I ...

Instructables member Joehan has published details of a DIY electrostatic motor or “capacitor motor” that has been created using 3D printing and is capable of providing 2 Watt HV power. The DIY ...

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 ...

[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 ...