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Lighting Controller Counts Visitors Automatically Using IC-7805 and IR Sensor

	International Journal of Scientific Research and Engineering Development (IJSRED)	Full Text:
	Published Issue : Volume-4 Issue-2
	Year of Publication : 2021
	Unique Identification Number : IJSRED-V4I2P28
	Authors : D. Nalini, K.Jenifer Asuntha, P. Harilakshminarayani, G.Umamaheshwari, T.Saranya
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Abstract :

The lighting controller counts how many people are in a room. This system control used to turn ON or OFF room light based on counting how many people are in a room using IC-7805 microcontroller.When somebody enters into the room then the counter is INCREMENTED by one and at the same time, the light will be ON. When somebody leaves in a room then the counter is DECREMENTED by one. The light will be switched OFF until all the people in the room goout. The total number of persons how many are inside the room is shown in seven segment display.