Automatic room light controller using IR sensor

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Price: 2000 Naira (BSC, MSC)

ABSTRACT

The fear of theft and burglary always annoys many people. When lock
and keys become less safe, one can seek the help of electronic security systems.
Such a portable security system is described here.
This electronic setup auto activated whenever the intruder enters to the
unauthorized no entry area. It auto activate the landline number and redial the last
dialed number from the conventional telephone. All we need is to do minor
changes to activate this telephone as it works as to become auto dialer circuit.
Thus whenever the intruder enters to the area, it activates the sensor circuit
of either sound activation or infrared light beam obstruction circuit, the redial
circuit become active and give a ring tone to the receiving end. It may be a mobile
phone or any landline phone or even police control room.

CHAPTER ONE

INTRODUCTION

1.1 Project Definition:-
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
soaps not to have congestion, this circuit proves to be helpful.
This project “automatic room light controller with visitor
counter using micro controller” is a reliable circuit that takes over the task of
persons/visitor in the room very accurately. When somebody enters into the
room will be switched ON and when any one. The light in room will be only
switched OFF until all the persons in the room go out. The total number of
person inside the room also displayed on the seven segment displays. The
micro controller does the above job. it receives the signals from the sencers, and
this signal is operated under the control of software which is stored in rom.
Micron roller AT89S52 continuously monitor the
infrared receivers, when any object pass through the IR rays falling on the
receivers are obstructed this obstruction is sensed by the micro controller.
􀂾 1.2Project Overview:-
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.
MicrocontrollerAT89S52 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.

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Price: 2000 Naira (BSC, MSC)ABSTRACT
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