Many times when we go out of home in a hurry and forget to’ on” or “off” certain appliances which sometimes creates a problem for us. Like in the morning we have to go to the office and in a rush, we sometimes forget to “off” the motor or water pump which lead to wastage of water and electricity or sometimes it happens we forget to “on” the motor which leads to scarcity of water.You can also control other electrical appliances like your TV, refrigerator, etc. Hence, to solve this problem you can use this simple circuit which will “on” and “off” your electrical appliances just by using phone.