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 ...

The Kinect sits atop a platform made from LEGO pieces. This platform rides up and down an extruded aluminum rail, powered by an old windshield wiper motor ... been several DIY 3D Scanners featured ...

He created an excellent centrifugal pump out of 100% LEGO. While mostly a curiosity, you can definitely get a sense of how the mechanics work. A Power Functions motor turns a 6×6 round plate ...