This paper is written to enhance the use of resources in developed as well as developing countries. In this digital world, use of technology is very advanced and we prefer things to be done automatically without any human efforts. This project also helps to reduce human efforts. Also it is very useful to conserve resources. In today's world, there is a continuous need for automatic appliances. With the increase in standard of living, there is a sense of urgency for developing circuits that would ease the complexity of life. Also if at all one wants to know the number of people present in room so as not to have congestion, this circuit proves to be helpful. "Automatic room light controller with visitor counter" is a reliable circuit that takes over the task of controlling the room lights as well us counting number of persons/ visitors in the room very accurately.