Hey guys, Im working on an art project that will use a disassembled lcd monitor. I have removed the ccfl's and related Fresnel lenses, diffusers, etc. I am creating a new, deep, light source for the panel, but what I need help with is the computer part. I want to alternate between a video and a pure white screen with the idea that when the video is playing the monitor will look relatively normal, while when the screen is white, the panel is nearly transparent. The idea works out fine with me manually flipping between the two, but ideally I would want it to rely on a proximity sensor such that when someone leans in to examine the "art" it would swap on them... kind of a bait and switch technique. The panel has vga and dvi ports and i've got a laptop I can dedicate to this and/or an arduino I have access to... any ideas?