INTRODUCTION
1.As the world gets more and more technologically advanced, we find new technology coming in deeper and deeper into our personal lives even at home.
2.Human also mostly demands something that can be easily to be used without wasting energy.
3.This project has developed a system that automatically controls the fan in a room based on room occupancy,
OBJECTIVES
1.To develop an automatic fan system using infrared sensor to detect room occupants to turn the fan on and off when empty.
2. To develop an automatic fan system that can preview the status of the human presence in the liquid crystal display.
THEORY OF OPERATION
1.Power supply to convert 220V AC to DC.
2.Sensing units that convert body motion into analogue electrical signals.
3.Analogue comparator to convert analogue signals into digital signals.
4.Microcontroller to process these digital signals and send the appropriate command to the fan motor.
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