Multi-Volume Knob Gives All Your Programs A Turn | Hackaday
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DIY USB volume control
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Wolfgang Ziegler - Making a Volume Control for your PC
Amazon.com: USB Volume Control, DROK PC Computer Speaker Audio Volume Remote Controller Knob with 1-Key Mute Function Support Win7 8 10 XP Mac Vista Android : Electronics
Tiny Little USB Volume Knob from Tiny Little Things on Tindie
Volume Control Knob USB Computer Speaker Controller DIY One-Click Mute Function And 4 Volume Control Modes Audio Adjust
USB volume knob for Windows, Mac OS and Linux – Part 1 – nerdhut