The concept of Vo-LUM is to crate a HID Controller based of the Arduino Leonardo (Atmega32u4). 

Goals

1) Universally Control the Volume and Mute function on both Mac and PC (no Drivers)

2) Addressable LED to illuminate base of control knob.

3) Be hefty (Approximately 1-2 Pounds)

4) Completely USB Powered

5) Easy to duplicate and Program

//------------------Extended Goals-----------------

7) USB TypeC Interface

6) Integrate IMU / Compass for added functionality