So, I'm halfway through designing my future rackmount cabinet, and I hit upon the idea of embedding a LCD display in the front door, with some method of controlling the LCD, plus maybe the main ...

Elma Electronic Inc. now offers a miniature rotary encoder that includes an illuminated 8+1 joystick, enabling seamless, accurate control using just one finger.

The Ploopy Knob is a 3D-printed, open-source rotary encoder featuring a high-precision sensor that runs QMK firmware. Or put another way, it's a multi-purpose dial controller for your computer.