RoPlug Configurable Scroll Wheel
The RoPlug is a community-designed expansion card that adds a configurable rotary encoder (scroll wheel) to Framework laptops. Created by community member mrwm in October 2021, it was one of the earliest functional community-built expansion cards. The card is powered by an ATmega32U4 microcontroller running the QMK firmware, allowing users to remap the scroll wheel to any keyboard function — volume control, mouse scrolling, cursor movement, copy/paste, undo/redo, and more.