HOME_AUTOMATION_EC_3SEM

AUTOMATION : (Automatic Control) 
It is the use of control systems and information
technology to control equipments, industrial machinery
and processes, reducing the need of human intervention.
Automation plays an increasingly important role in the
global economy and daily economy.
Many roles for humans in industrial processes presently
lie beyond the scope of automation.

CLASSIFICATION OF AUTOMATION
I. OFFICE AUTOMATION
II. BUILDING AUTOMATION
III. POWER AUTOMATION
IV. HOME AUTOMATION

OFFICE AUTOMATION
Office automation refers to the varied computer
machinery and software used to digitally create, collect,
store, manipulate information needed to accompilishing
basic tasks and goals.
OR
The use of computer systems to execute a variety of office
operation ,such as word processing , accounting, and e-
mail.
Office automation almost always implies a network of
computerswith a variety of available programs.

BUILDING AUTOMATION
Building automation describes the functionality provided
by the control of a building. control system.
The building automation system (BAS) functionality
keeps the building climate within a specific range,
provides lighting based on an occupancy schedule, and
monitors system performance and device failures and
provides email and/or text notifications to building
engineering staff.
The building automation system functionality reduces
building energy and maintenance costs when compared to
a non-controlled building.

POWER AUTOMATION
Power automation is the automated control and monitoring
of power plants, substations and transformers for
effectiveness, efficiency and fault detection. It has made it
possible to have a reliable municipal or national electricity
system, which often comprises remote and hard-to-reach
transformers and power sub-system units. It makes it
possible to monitor different power units, relay their status
and health information, and even carry out fault detection
and correction without human interference.
Example of power automation system is the Supervisory
Control and Data Acquisition (SCADA) system.

HOME AUTOMATION
Home automation is computerization of the home,
housework or household action.
Home automation may incorporate a control unit for
controlling of lighting, HVAC (warming, ventilation
and aerating and cooling), machines, and different
frameworks, to give enhanced accommodation,
solace, better energy saving ,productivity and security.
It can likewise give a remote interface to home
apparatuses or the automation system itself, through
phone line, remote transmission or the web, to give
control and observe and monitor by means of an smart
phones or a web explorer program.

DTMF BASED AUTOMATION SYSTEM
BLUETOOTH BASED AUTOMATION
WIFI BASED AUTOMATION
ZIGBEE BASED AUTOMATION
RF BASED AUTOMATUON

DTMF SYSTEM:
It is a signaling system for identifying the keys or better say the
no. dialed on a pushbutton or DTMF keypad .
BLUETOOTH SYSTEM:
It is a signaling system for exchanging data over short
distances(using short wavelength radio waves) up to 10m.
WIFI BASED SYSTEM:
It is a signaling system for exchanging data over long distances in
comparison to bluetooth (upto 100m).
RF BASED SYSTEM:
It uses radio frequency signals for the communication.
ZIGBEE BASED SYSTEM:
Like bluetooth, is specification for communication in wireless
personal area network(WPAN).

HISTORY OF AUTOMATION
Home automation has been around since the world war 1 (1914),
in fact, the television remote (a simple home automation system)
was patented in 1893 . Since then different home automation
systems have evolved with a sharp rise after the second World War.
It's growth has been through various informal research and designs
by technology enthusiasts who want a better way of getting things
done at home without much effort on their part. The systems
evolved from one that can automatically do routine chores like
switch on and off security lights, to more sophisticated ones that
can adjust lighting, put the television channel to favorite station
and control door.

PROBLEM STATEMENT
 In the present day home automation is becoming
essential for the purpose of improving our life
condition.
 Home automation offers ease of mind and body to
handicapped and/or elders in their houses by just one
click to do what they want.
 It also offers an efficient use of energy.

ARDUINO UNO (AT MEGA 328)
RELAY MODULE
BLUETOOTH MODULE
O.S (ANDROID)
ANDROID APPLICATION

ARDUINO UNO (AT MEGA 328)
 Arduino is an open-source electronics platform based
on easy-to-use hardware and software. Arduino boards
are able to read inputs - light on a sensor, a finger on a
button, and turn it into an output - activating a motor,
turning on an LED etc.
 Arduino is an instrument used to build a better version
of a computer which can control, interact and sense
more than a normal desktop computer.
 It is open source, straight forward ,uses simple
language, inexpensible and provides cross platform.

RELAY MODULE
A relay is an electrically
operated switch. Many
relays use an electromagnet
to mechanically operate a
switch, but other operating
principles are also used,
such as solid-state relays.
Relays are used where it is
necessary to control a circuit
by a separate low-power
signal, or where several
circuits must be controlled
by one signal.

Bluetooth is a standard utilized as a part of connections of radio of
short extension, bound to substitute connections which use wires
between electronic gadgets like personal digital assistants (PDA), cell
phones, personal computers (PC), Laptops, and numerous different
gadgets. Bluetooth technology can be utilized at homes, offices,
schools, hospitals and in cars.
Users can get instantaneous connections with several kinds of devices
through this technology continuously.
The method for transmission utilized guarantees security against
external interference and well-being in sending out data. Between the
essential qualities, these must be mentioned; the strength, low cost,
small consume of energy low complexity and the ease of use.

BLUETOOTH MODULE
 Arduino-Uno board doesn’t support Bluetooth
connection on its own, which makes the idea of
connecting it wirelessly to an Android device
impossible. So a medium between the Arduino-Uno
board and android device is needed and in this project
it is a Bluetooth module specifically the HC-06
Bluetooth module.

Android operating system is open source focused around
Linux kernel with Java programming interface planned
fundamentally for touch screen contraptions. The Android
telephone was in the business sector since October 2008.
Gadget producers, remote transporters and fan engineers
are permitted to adjust and distribute the product under
the Apache License. Google Play is Android essential
application store. There were roughly 700,000 applications
accessible for Android in October 2012 and created by a vast
group of Android application designer. Android building
design comprises of a few layers as demonstrated in figure
below. The applications need to go layer by layer to get to
the hardware.

ANDROID APPLICATION
 Android app that will make controlling the pins of
Arduino-Uno from an Android phone wirelessly possible.
This app employs a simple Android user interface to
control Arduino Uno's digital and PWM pins, send text
commands to Arduino-Uno and receive data from Arduino
over Bluetooth serial module.
 Ex. of apps: ArduDroid etc.

Two way communication:
Wired in between Appliances with
controller.
Wireless in between Android phone
with controller via. BT
ANDROID
PHONE
WIRELESSCOMMUNICATION
(BLUETOOTH)
ARDUINO
HOME
ALLIANCE
HOME
ALLIANCE

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