[Johnny Lee]’s back again with his Wiimote interactive whiteboard. Commercial versions of these things are expensive and heavy. His technique doesn’t even need a projector, just a computer ...

projector, speakers, microphone, countless cables, and much more. It makes the management work much easier." 4K 3840×2160 touch UHD display with a screen diagonal of 65 to 98 inches and a 178° viewing ...