This Opinion piece appears in the Aug. 23 print edition of Transport Topics. Click here to subscribe today. If trucks had patron saints, step vans would claim Rodney Dangerfield as their own. The late ...

When you think about highly-precise actuators, stepper motors probably aren’t the first device that comes to mind. However, as [Diffraction Limited]’s sub-micron capable micro-manipulator shows, they ...

Based on the Motorola (now Freescale) heavily used but obsolete SAA1042 stepper-motor-driver IC, this Design Idea describes a CPLD (complex-programmable-logic-device)-based implementation of a stepper ...