Bluetooth Based Home Automation and Security System Using MICRONTROLLER

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Bluetooth Based Home Automation and Security System
Using MICRONTROLLER
ABSTRACT:Today we are living in 21st century where automation is
playing important role in human life. Home automation allows us
to control household appliances like light, door, fans, AC etc. It
also provides home security and emergency system to be
activated. Home automation not only refers to reduce human
efforts but also energy saving and time efficiency. The main
objective of automation and security is to help handicapped and
old aged people who will enable them to control home appliances
and alert them in critical situations.
This paper put forwards the design of home automation
and security system using Microcontroller board. The design is
based on a standalone embedded system board Microcontroller at
home. Home appliances are connected to the Microcontroller
and communication is established between the Microcontroller
and Microcontroller with Bluetooth device. The home appliances
are connected to the input / output ports of the embedded system
board and their status is passed to the Microcontroller. We would
develop an authentication to the system for authorized person to
access home appliances. The device with low cost and scalable
to less modification to the core is much important. It presents
the design and implementation of automation system that can
monitor
and
control
home
appliances
via
MICROCONTROLLER board.

It is preferable to use bluetooth because nowadays people
have their smartphones with them all the time, since the
smartphones have bluetooth facility in them, thus it's better to
use bluetooth rather than using RF remotes or IR remotes. Have
you ever seen people carrying remotes? It is preferable to use
bluetooth because nowadays people have their smartphones
with them all the time, since the smartphones have bluetooth
facility in them, thus it's better to use bluetooth rather than
using RF remotes or IR remotes. Have you ever seen people
carrying remotes?
Bluetooth advantages :
1.It's secure.
2.Easy to use.
3.It works in short distance range(i.e. upto 10mtrs.)
4.Anyone can find free bluetooth apps on android and many more.
Parts and components required:
1. Micro-controller.
2. ULN2803.
3. SPDT 5v Relay.
4. 5v Regulated Power Supply.
5. Terminal blocks.
6. Breadboard.
7. Most importantly an Android phone with BluControl v1.0.
8. HC-05 Bluetooth module.
9. Resistors, capacitors, diodes, etc.
10. 16MHz crystal oscillator.

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