[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 ...

The LEGO set 21305: Maze is a great analogue game that you can build, and it has been improved upon with an Arduino. Maker Tim Bush has connected the completed set to a pair of motors (which are also ...

If you need a seven-segment display for a project, you could just grab some LED units off the shelf. Or you could build something big and electromechanical out of Lego. That’s precisely what [upir] ...