It’s insulting to have to stop what you’re doing to find the right Windows volume slider. So why do that? Build [T3knomanzer]’s simple yet elegant multi-volume knob and stay zen in the zone.

Sometimes, all the buttons you have at your disposal to control a computer fall short of the convenience a twirly little knob can offer. They're often relegated to media volume control on a DAC or ...

We like that this is isn’t a volume knob in the traditional sense — it’s a game of percentages. Dialing ‘2’ gives 20% volume across all programs, and ‘8’ raises it to 80% of maximum.