[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 ...

How to Make dc Motor Energy Power by Gear Mechanism $15M reward announced for alleged Chinese ringleader, others accused of smuggling US drone technology to Iran Study shows how long Social ...

A RAPIDLY growing literature gives some indication of the extent to which war-time developments of automatic control systems or servo-mechanisms are finding application in industry. These ...