TEDxUHasselt - Jan Borchers - Making Things Usable.
Töken experience on Vimeo. CTHCI. FTIR Multitouch and Display Device - Experiments with Processing, OSC - Thomas M. Brand. Materials: - arylic plate, size that is ok for you. make it comaptible to the screensize you will use, so 4:3, 16:9 or so. i took a 640 * 480 * 10 mm plate.
Be careful when reading the specs on the box of cameras standing on the shelf. for instance 30 fps does not mean automatically that this framerate is available in max resolution. some cameras even seem to duplicate frames to have bigger framerates (??). -optional alternative lens to the one that is normally deliverd along with the camera. take one with a suited focal lenght and F-number for target setup. [Focal Length and Aperture Explained for the Photography Novice] normally optional lenses are sold at the same place as the camera but there are a lot of e-bayers selling different styles of them.