Project title is “AUTOMATIC ROOM LIGHT CONTROLLER WITH BIDIRECTIONAL VISITOR COUNTER “.
The objective of this project is to make a controller based model to count number of persons visiting particular room and accordingly light up the room. Here we can use sensor and can know present number of persons.
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.
This Project “Automatic Room Light Controller with Visitor Counter using Microcontroller 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. When somebody enters into the room then the counter is incremented by one and the light in the room will be switched ON and when any one leaves the room then the counter is decremented by one. The light will be only switched OFF until all the persons in the room go out. The total number of persons inside the room is also displayed on the seven segment displays.
The microcontroller does the above job. It receives the signals from the sensors, and this signal is operated under the control of software which is stored in ROM. Microcontroller AT89S52 continuously monitor the Infrared Receivers, When any object pass through the IR Receiver’s then the IR Rays falling on the receiver are obstructed , this obstruction is sensed by the Microcontroller
APPLICATION, ADVANTAGES & DISADVANTAGES
- For counting purposes
- For automatic room light control
- Low cost
- Easy to use
- Implement in single door
It is used only when one single person cuts the rays of the sensor hence it cannot be used when two person cross simultaneously.
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