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This project will present the design, construction, development, control and evaluation
of an automatic switching electric fan and also control the intensity of light.
The microcontroller based automatic fan system and light systems presented in this
project are required to fulfill the requirement of technologies “tomorrow will be
more advanced than today”. The electric fan automatically switches according to
the environment temperature changes and lights are switch on one by one according
to the room intensity changes. This electric systems are contains combination of
sensor, LDR, controller and relay with integration of embedded controlled programming.
Finally, this system performance will be evaluated by comparing performance data
to the theoretical.
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Automatic Fan Control And Intensity Control By Using Microcontroller
Electrical Engineering Project Working:-
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This project controls the room light intensity and room temperature. This project
depends on two main components. First is the LDR (Light Dependant Resistance) and
the second is the LM 35 Temperature sensor. Room Light Intensity Control When the
room light intensity value is less than the 1st standard value which is set by push
button switches, the LDR give the signal to microcontroller. Microcontroller switched
on the supply of 3 LEDs. When the room light intensity value is less than the 2nd
standard value, microcontroller switched on the supply of 2 another LEDs. When the
room light intensity value is more than 2nd standard value, microcontroller switched
off the supply of 2 LEDs. When room light intensity value is more then the 1st standard
value, microcontroller switched off the supply of 3 another LEDs. This way, the
room light intensity is controlled by this project. When the room temperature
value is getting high from standard value, microcontroller switched on the supply
of Fan. When the room temperature value is getting low from standard value, microcontroller
switched off the supply of Fan. This way, the room temperature is controlled by
this project.
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