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 ...

C-Haus has created a high-speed sine-to-digital signal conditioning interpolation IC for magnetic or optical position sensors ...