This system was designed to save extra electricity, system switches off or switches on the electricty of devices by counting the number of people, if there is one person and more than one, system swicthes on devices or if there is no one in the room, it switches off the devices, as you see there is a lamp on the door, it referres to the devices in room,for counting processing, two ldrs and two lasers were used to count people,the reason of usage of 2ldrs and lasers is to define the enterance and exits,the idea and making of the system are completely belong to me
