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Research Paper | Electronics & Communication Engineering | India | Volume 7 Issue 4, April 2018

Home Automation System Using Bluetooth

Bhagyajyoti | Immanuel J | L. Shrimanth Sudheer

Abstract: In this paper an attempt is made to design smart phone based home automation system. The system is designed by using Intel microcontroller AT89C52 and Bluetooth device (HC05). The AC power devices in the home are connected to the system using relays. A Bluetooth enabled smart phone is paired with the HC05 which is interfaced with the microcontroller. The smart phone now acts like a remote assist device to communicate with the home appliances. The Home appliances are connected to the microcontroller through relays to provide mechanical isolation between the two. The relays are turned ON/OFF by sending commands from the smart phone. Each relay is connected to the particular home appliance there by the appliances can be turned ON/OFF. This system can also be connected to the computer and through computer the home appliances can be controlled by sending command from the computer.

Keywords: Automation, HC05, AT89C52, Home Appliances, Relay

Edition: Volume 7 Issue 4, April 2018,

Pages: 247 - 250

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