In [Moritz]’s project, the magnetic viewing film is the sand ... To drive the coils, he used a pair of TB6612FNG stepper motor drivers, controlled by a Wemos D1 Mini. The housing was 3D printed ...

In this exciting project, you will see how to build a mini brushed motor using just simple wire, magnets, and Lego. A basic commutator will be used to control the rotations and will test its ...