This project is about controlling the amount of light in a room. It uses an Android smartphone to sense the light and try first to open/close curtains to meet users' desires and if the light level is not enough it will light up bulbs.
This is a link (https://www.youtube.com/watch?v=n1OhaQK9uhA) to a demo.
This is a link (://www.youtube.com/watch?v=Jl2m6PJev7A) to a demo in arabic.