yeah of course using projector, but the presentation still using computers (connected to the projector) and powerpoint...do u have any idea on the design? it just a transmitter and receiver things.... ;D
hi.. i have an idea just for fun...the situation comes from the lecture hall in the university mostly...usually lecturer will take much time changing the slides of the presentation using keyboard or mouse...
so, the idea is to create a remote control (mini keyboard) contains buttons such as...