Comment Document cameras (Score 1) 258
Build some document cameras for your teachers. Get some goosenecks with sturdy bases and mount the cameras on them pointing down. Put together software that can mirror the image (some scripts + vlc will work). If any of your teachers regularly use a computer to project e.g. documents or slide shows, this can supplement what they are already doing. It's easier and tidier than a transparency, but more intuitive, familiar, and interactive than a slide show. It brings the added bonus of producing a paper archive of what was projected.
You can get some more information here: bootleg elmo
I realize this suggestion is maybe not in line with the idea of using a bunch of cameras for one project, but if your teachers don't already have something like this, they will love you for it.