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A smart system is designed to control the lighting system, fans and security in the industries. The authors all know sometimes forget to switch off the lights and fans before leaving the room. This system can control 8 units of lights and 6 units of fans every day. Besides, their highly developed industry consist of lot of appliances which needs security and care. Their project focuses on total security with the help of fire alarm and a message alert of any invader. This project uses the Passive Infrared Sensor (PIR sensor) to detect the body heat and the movements of humans. The PIR sensor will give signal to hardware. The hardware of this project is PIC16F887A and RS232 communication module to interface with GSM Modem.
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