Do you have a knob on your mechanical keyboard but aren't sure what to use it for? Here are a few different options to make ...

The scroll wheel on a mouse is nothing more than a rotary encoder, and can easily be used as a sort of tuning knob. Replacing it with a better encoder gives it a much better feel, so that’s what ...

The hardware for this build is simply an Arduino and a rotary encoder, no problem there ... Put all of this together, and you have a knob that will scroll through all your open tabs.