We’ve seen plenty of motor projects, but [Jeremy]’s DIY Tubular Linear Motor is a really neat variety of stepper motor in a ...

In [Moritz]’s project, the magnetic viewing film is the sand, and a 2 mm diameter magnet is the ball ... he used a pair of TB6612FNG stepper motor drivers, controlled by a Wemos D1 Mini.

Permanent magnet synchronous motors used in EVs have rare earth elements in them. Tap here to read how they can be recycled.