Precision on Noureddine RAMDIhttps://ramdi.fr/tags/precision/Recent content in Precision on Noureddine RAMDIHugoenSat, 23 May 2026 20:41:27 +0000Deep dive into MicroManipulatorStepper: submicron precision from magnetic gearing and closed-loop stepper controlhttps://ramdi.fr/github-stars/deep-dive-into-micromanipulatorstepper-submicron-precision-from-magnetic-gearing-and-closed-loop-stepper-control/Sat, 23 May 2026 20:41:14 +0000https://ramdi.fr/github-stars/deep-dive-into-micromanipulatorstepper-submicron-precision-from-magnetic-gearing-and-closed-loop-stepper-control/MicroManipulatorStepper achieves 50nm step resolution with low-cost steppers via magnetic gearing and 30kHz closed-loop PWM. Explore its architecture, firmware, and precision tradeoffs.