Magnetic viewing films ... To drive the coils, he used a pair of TB6612FNG stepper motor drivers, controlled by a Wemos D1 Mini. The housing was 3D printed mostly from PLA, but with a few bits ...

Launching things with electromagnetism is pretty fun, with linear induction motors being a popular design ... exact design details differ, they use magnetic attraction and repulsion to create ...

The unique PiezoWalk linear motor is non-magnetic and self clamping and provides sub-nanometer resolution. It can be integrated in actuators and linear translation stages as shown in the example above ...