[Frank Herrmann] had an interesting idea to turn a geared DC motor into a servo motor assembly, but with a stepper motor-like interface. By stacking some small PCBs behind the motor body, it was ...

Whether in electronics, mechanical engineering, or biology, miniaturization brings demands for dimensional accuracy. Simply adopting a downsized standard method from the big world won’t work. The ...

The geared DC motor has become the bread-and-butter of the modern-day beginner project. Unfortunately, with the advent of vast online catalogs peddling a wide assortment of these mechanical marvels, ...