You have likely seen many newer mechanical keyboards have a knob, commonly located in one of the corners. This is what's known as a rotary encoder, but they're also commonly referred to as a media ...

start with a QMK-enabled macropad or a standalone knob like the Binepad BNR1. The most popular mechanical keyboards from brands like Keychron ship with a customizable encoder on board, and there ...

Remember back in the early-to-mid 2000s when pretty much every cheap USB keyboard you ... macro keypad with 8 mechanical Cherry-style keys and a clickable rotary encoder knob as its main feature.