USB Volume Knob Device

If you are tired of fiddling with your keyboard to adjust the volume on your computer while sitting back and watching movies, and if your speakers and the volume knob are located out of the way, try this dedicated USB volume knob.

This is a USB volume knob device made to house a rotary encoder and an Arduino-compatible Adafruit Trinket.

The setup is described in detail on Adafruit's excellent website: https://learn.adafruit.com/trinket-usb-volume-knob/overview

Common Issues With Trinket

If you've never worked with Adafruit's Trinket board, read the setup instructions carefully: https://learn.adafruit.com/introducing-trinket/setting-up-with-arduino-ide

We had to install this driver first: https://learn.adafruit.com/introducing-trinket/windows-setup

You also need to hit the reset button on the Trinket before hitting the upload button on the Arduino IDE to upload the sketch. Experiment with the timing. For ours, we had to hit reset and immediately hit upload after we h