A magnetic sensor turned out to be a useful replacement for a simple limit switch that prevented overtravel in screw jacks. ActionJacs made by Nook Industries in Cleveland, Ohio, once incorporated ...

We’re used to thinking of limit switches as a mechanical device that cuts the motor connection before physical damage can occur. [Anthony] decided to try a different route with this project. He built ...

Computer engineering, but in particular mobile computer engineering, is all about playing a zero-sum game with yourself. Power and efficiency are constantly undercutting one another, creating ...