Podcasting Do-Not-Disturb Door Hanger

Like most of you out there, my workshop is my garage. I share it with cars, laundry and trash bins. Other than my new family, I share the home with extended family and their significant others. This can get tricky when there's always someone home and I'm trying to film. For those of you who do audio podcasts, screencasts or are aspiring youtube musicians, chances are you also share your work space with you home space.

My techy brain first decided I needed to install an "on-air" light on the o