After visiting my local Radio Shack and Staples without finding the USB sound adapter or USB microphone that would work with the Pi, I decided to check one of the local box stores. After searching through their computer accessories for awhile I happened upon this Logitech C110 webcam with microphone, which reminded me of a blog post I was reading about voice control, here. After a few Google searches on my smartphone, I discovered that someone else had already used this same webcam and was able to stream audio from it successfully (here). At a purchase price of $19, this was cheaper than most standalone USB microphones, so I decided to go with the C110 webcam to act as my microphone. Maybe I'll add gesture-control to the Pi-amp later on!















Here is a close up view of the camera.






















I also picked up a 3' audio cable for the audio out on the Pi.












And I figured I'd probably need these zip ties for the cable routing once I move everything to the vehicle.











Stay tuned - I'll be getting the microphone set up soon!