As for the hardware side of things, [Jeremy] used an existing USB keypad, fitting the golf ball onto the encoder for volume and seek control in various programs. The results sadly weren’t ideal.

A lot of headphones today come with volume control built in on the wire. If your headphones didn't, though, you can craft your own with a few basic, salvagable electronics. There are actually two ...

Posted in digital audio hacks, Microcontrollers Tagged digital volume control, DS1868, volume control ← Building An Up-to-date MSPGCC Toolchain MSP430-based Palm Size Quad Copter → ...