Each unit is scratch-built, using laser-cut fiberboard for parts like the spool and frame ... four stepper drivers and interfaces for the Hall-effect sensors needed to home each display.

This custom linear Hall effect sensor is a perfect example ... a long way to go to tighten things up, but the basic mechanism looks like a clear win to us. Hats off to [Nixieguy] for this one ...

A team of researchers led by Colorado State University graduate student Luke Wernert and Associate Professor Hua Chen has ...

It seems likely that the Nintendo Switch 2 controllers will feature Hall effect components This is ... showing off the new mechanism where the Joy-Con controllers attach. Everything lines up ...