[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 ... handful of parts provide all ...

Tolomatic products include the IMA and IMA-S linear servo actuators. These actuators feature integrated Source: Tolomatic, ...

That is, you have to pry the servo’s DC motor apart, take its base with brushes out, then insert the encoder disks. Then, you snip and file away at the base’s plastic parts to free up as much ...