This paper is about enhancing the use of resources in developed as well as developing countries. In today's technologically advanced world, this work prefers tasks to be completed automatically and without human intervention. Additionally, this study reduces the need for workers. Resource conservation is also very beneficial. With the increasing standard of living, the demand for automatic appliances has intensified, highlighting the need for designing advanced circuits that can optimize functionality and simplify daily activities. This current work can also be used to monitor the number of people entering or leaving a room, making it useful for preventing overcrowding and ensuring efficient space management. The "Automatic room light and fan controller with visitor counter using Arduino Uno" is a dependable circuit that takes over the responsibility of precisely counting the number of people or visitors in the room in addition to controlling the lights and fans. This circuit operates based on the number of people entering the room.
Farooqi et al. (Wed,) studied this question.