In the video after the break [365 Robots] takes us through the build process of a closed-loop motor with a custom optical encoder ... stand with load cell and Arduino. Like other PCB motors ...

Rotary and linear optical encoders are common ... There are two basic encoder styles: absolute and incremental. Absolute encoders contain multiple detectors and up to 20 tracks of segment patterns.

and combining multiple digital and analog audio input sources. The experience is enhanced with rotary optical encoders, providing a means of customizing controls, adjusting various audio ...

[Bin Sun]’s build is based around an old ball-type PS/2 mouse, the kind with the nice optical encoders ... filament on its way to the extruder. An Arduino keeps track of the pulses and ...