If you don't have a programmable knob on your desk already, start with a QMK-enabled macropad or a standalone knob like the ...

About a year ago, Keychron launched its Q-series of custom mechanical keyboards that now spans the gamut from small 60% boards to full-size options, with everything in between.

The keyboard also houses a USB hub to attach other gadgets, as well as a lithium battery to power the haptic knob, since it uses more power than a standard USB 2.0 port can deliver.

Custom keyboards are more affordable than ever and the MyKeyClub MKC75 is one of the most affordable entrypoints we've seen yet. ... (volume knob), an F13 key, or an RGB-illuminated badge.

There’s honestly not much to the hardware. A custom PCB holds two WS2812’s, the tiny CPU, the encoder, and the USB plug. ... Peripherals Hacks Tagged HID keyboard, knob, usb.

Asus set out to build the ultimate gaming keyboard and the ultimate custom mech keyboard. And then it made ... and it’s the only way you’re going to customize that screen and control knob.

The keyboard's product page also claims support with iOS. Similar to some wireless Keychron keyboards, like the Keychron K14, there's a toggle on the keyboard's side for switching from Mac to Windows.