This document provides an overview of a project report on controlling home appliances using an Android smartphone. It includes an introduction describing how smartphones can be used to automate household tasks by connecting to appliances over Bluetooth. It also includes sections on acknowledgements, literature review, design considerations, measurements, simulation, and conclusions. The project aims to develop a mobile application for Android devices to remotely control home appliances for the benefit of senior citizens and others.

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GUJARAT TECHNOLOGICAL UNIVERSITY
BIRLA VISHWAKARMA MAHAVIDYALAYA
Affiliated with GTU
A Project Report on
Home Appliances Using Android Smart
Phone
Prepared as a part of the requirements for the subject of
DESIGNENGINEERING –II A, B.E.III, Semester –V
(ELECTRONICS AND TELECOMMUNICATION)
Submitted by:
1. Vatsal Bodiwala 140083112002
PROF. KAUSHAL PATEL
(FacultyGuide)
PROF. MEHUL B SHAH
Head of the Department
Academic year
(2015-2016)

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BIRLA VISHWAKARMA MAHAVIDYALAYA
VALLABH VIDYANAGAR
DEPARTMENT OF ELECTRONICS AND
TELECOMMUNICATIOM
2015
CERTIFICATE
This is to certify that the Design engineering canvases entitled “HOME
APPLIANCES USING ANDROID SMART PHONE” has been carried out
bySanchit Puranik(130080112053), Ayaz Sheikh (130080112052), Apar
Trivedi (130080112057), Vatsal Bodiwala (1400083112002) under my
guidance and supervision for the award of the degree of Bachelor of
Engineering inElectronics And Telecommunication (Semester - V) at Birla
VishvakarmaMahavidyalaya, Vallabh Vidyanagar during the academic year
2015-16.
Date: - 16th
October 2015
Guide: Head of Department:
PROF. Kaushal Patel PROF. Mehul B. SHAH
ET Department, ET Department,
BVM, Vallabh Vidyanagar BVM, Vallabh Vidyanagar

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Contents:
(1)Acknowledgment………………………………………………………..4
(2)Introduction to concept………………………………………...5
(3)Literature review / secondary search………………………….6
(4) Design Considerations for detail design part………………...8
(5) Design Calculation……………………………………………...9
(6)Measuring Instruments/ techniques - knowledge and use……14
(7) Simulation and Analysis (Software modeling)……………….15
(8) Conclusion/Future scope………………………………………..17
(9) References………………………………………………………..18

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1. ACKNOWLEDGEMENT
 We have decided that our team name will be “4 Friends”. There are four members in
our team namely Sanchit Puranik , Ayaz Sheikha ,Apar Trivedi , Vatsal Bodiwala
and we were guided by Prof. Kaushal patel . He has a sound practical knowledge and
was indeed a good teacher who guided us through our project. He was friendly as well
as strict at the same time.
 Design thinking in engineering is to recalibrate engineering for this new era.It will be
the mind over matter era. Continuously at each step, design involves iterations of
thinking. At each step, we may modify the step ahead or concept taken at back. For
this rigorous unidirectional efforts are required
 A break from the theoretical subjects the Design Engineering leads us to a more
practical path. Here we open our minds to new creative ideas and learn many new
concepts out of the book. We get to observe practical locations and know the
problems in the way of people in day to day life.
 Automation of the surrounding environment of a modern human being allows
increasing his work efficiency and comfort. There has been a significant development
in the area of an individual’s routine tasks and those can be automated. In the present
times, we can find most of the people clinging to their mobile phones and smart
devices throughout the day. Hence with the help of his companion – a mobile phone,
some daily household tasks can be accomplished by personifying the use of the
mobile phone. Analysing the current smart phone market, novice mobileusers are
opting for Android based phones. It has becomea second name for a mobile phone in
layman terms.
 We have specially make these project for the senior citizen people & also for the
social society & people of that society. Its very helpful & making life easier for the
senior & the other people.
 As we know they have many problem so this is good solution & making life easier &
lots of cheerful.

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2. Introduction
 Today’s homes require sophistication control in its different gadgets which are
basically electronic appliances. This has revolutionized the area of home
automation with respect to an increased level of affordability and simplicity
through the integration of home appliances with smart phone and tablet
connectivity.
 Smart phones are already feature perfect and can be made to communicate to any
other devices in an ad hoc network with a connectivity options like Bluetooth.
With the advent of mobile phones, Mobile applications development has seen a
major outbreak.
 Utilizing the opportunity of automating tasks for a smart home, mobile phone
commonly found in normal household can be joined in a temporary network
inside a home with the electronic equipment. Android, by GoogleInc.
 Provides the platform for the development of the mobile applications for the
Android devices Homeautomation system is a mobile application developed using
Android targeting its vast market which will be beneficialfor the masses.
According to the International Data Corporation (IDC) Worldwide Quarterly
Mobile Phone Tracker,Android maintained its leadership position in global market
share.
 Bluetooth is a short-range wireless communication technology that comes in
handy as the solution while communicating over an ad hoc network environment
like the home environment for connecting the home appliances with the mobile
phones. Bluetooth works over 2.4 GHz frequency range up to the range of 100 m
with 1 Mbps speed, providing a safe and efficientsolution for controlling home
automation

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3. Literate rear-view / secondary search
 The Home Automation System (HAS) was developed using Java Me and
MoSync during the course of research and now a User Interfaced Android
Application program implemented on an Android based Bluetooth enabled
mobile phone, and an 8 bit microcontroller based relay driver circuit with
Serial Bluetooth Module, which is able to communicate with the Home-
(system architecture)
(LNMCHART)

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 Appliances over Bluetooth link. The system is based on serial data
transmission using Bluetooth wireless communication in order to facilitate the
appliances control in a HAS. This system ensures a secured exchange of data
the appliances control in a HAS.
 This system ensures a secured exchange of data and Serial Bluetooth Module
from TINY OS as well as KEILvision IDE for compiling C Language Code
and C++ programmer for burning HEX file into microcontroller were used for
the development. An ATMEL 89C51, 8 bit microcontroller was used as an
embedded relay controller.
 The overall structure of intelligent home appliance control system can be
divided into two parts wireless hand-held terminal and appliances control
terminal parts which consists of various components for communicating with
each other.
 The control unit contains the receiver part that receives the command from the
ZigBee transmitter and the microcontroller is used to control the homes
appliances via relay unit.
 The system also introduces the messaging facility using the GSM modem
which is connected to the PIC controller for sending the SMS to the mobile
when the smoke is detected in the house.

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Researchpaper :- 1
BluetoothRemote Home Automation System Using Android Application
University :- Centre for Telecommunication Research and Innovation, Fakulti Kej.
Elektronik dan Kej. Computer, University Teknikal Malaysia Melaka, 76100 Durian
Tunggal, Hang Tuah Jaya, Melaka, Malaysia
Keywords--Home automation, Smart home, home appliances, Bluetooth, Android
I. INTRODUCTION:-
 The “Home Automation” concept has existed for many years. The terms
“Smart Home”, “Intelligent Home” followed and has been used to
introduce the concept of networking appliances and devices in the house.
Home automation Systems (HASs) represents a great research opportunity
in creating new fields in engineering, architecture and computing
(Humidor and Milan, 2004).
 HASs becoming popular nowadays and enter quickly in this emerging
market. However, end users, especially the disabled and elderly due to
their complexity and cost, do not always accept these systems. Due to the
advancement of wireless technology, there are several different of
connections are introduced such as GSM, WIFI, ZIGBEE, and Bluetooth.
 Each of the connection has their own unique specifications and
applications. Among the four popular wireless connections that often
implemented in HAS project, Bluetooth is being chosen with its suitable
capability. Bluetooth with globally available frequencies of 2400Hz is
able to provide connectivity up to 100 meters at speed of up to 3Mbps
depending on the Bluetooth device class [1]. In addition, a Bluetooth
master device is able to connect up to 7 devices in a “Piconet”.

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Flow chart
CONCLUSION :-
 In conclusion, this low cost system is designed to improve the standard living in
home. The remote control function by smart phone provides help and assistance
especially to disabled and elderly. In order to provide safety protection to the user, a
low voltage activating switches is replaced current electrical switches. Moreover,
implementation of wireless Bluetooth connection in control board allows the system
install in more simple way. The control board is directly installed beside the electrical
switches whereby the switching connection is controlled by relay.

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4. Design Considerations for detail design part
1. Security& safety:-
 A household security system integrated with a home automation system can provide
additional services such as remote surveillance of security cameras over the Internet,
or central locking of all perimeter doors and windows
 With home automation, the user can select and watch cameras live from an Internet
source to their home or business. Security systems can include motion sensors that
will detect any kind of unauthorized movement and notify the user through the
security system or via cell phone.
 The automation system can simulate the appearance of an occupied home by
automatically adjusting lighting or window coverings. Detection systems such as fire
alarm, gas leak, carbon monoxide, or water leaks can be integrated. Personal medical
alarm systems allow an injured home occupant to summon help.
2. Cost:-
 Costs mainly include equipment, components, furniture, and custom installation.
Ongoing costs include electricity to run the control systems, maintenance costs for the
control and networking systems, including troubleshooting, and eventual cost of
upgrading as standards change. Increased complexity may also increase maintenance
costs for networked devices.
 Cloud-based services supporting an installation may also entail fees for setup, usage,
or both. Learning to use a complex system effectively may take significant time and
training. Control system security may be difficult and costly to maintain, especially if
the control system extends beyond the home, for instance by wireless or by
connection to the internet or other networks.
3. Intercoms:-
 An intercom system allows communication via a microphone and loud speaker
between multiple rooms. Integration of the intercom to the telephone, or of the
video door entry system to the television set, allowing the residents to view the door
camera automatically.

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5. Design Calculation
5.1 Block Diagram:-
5.2 Circuit Diagram:-

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1. BluetoothModule:
 BLE112 is a Bluetooth Smart module targeted for low-power sensors and accessories.
 It integrates all features required for a Bluetooth Smart application.
 It is powered directly from a standard 3V coin cell battery or a pair of AAA batteries.
 In the lowest power sleep mode it merely consumes 500 nA and will wake up within a
few hundred microseconds.
2. Relay :
 A relay is an electrically operated switch.
 Relays are used where it is necessary to control a circuit by a low-power signal.
 Relays protect electrical circuits from overload or faults.

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3. RESISTOR : -
 A resistor is a two-terminal electrical or electronic component that opposes an electric
current by producing a voltage drop between its terminals in accordance with Ohm's
law: The electrical resistance is equal to the voltage drop across the resistor divided
by the current through the resistor while the temperature remains the same. Resistors
are used as part of electrical networks and electronic circuits.
4.CAPACITOR :-
 A capacitor is an electrical/electronic device that can store energy in the electric field
between a pair of conductors (called "plates"). The process of storing energy in the
capacitor is known as "charging", and involves electric charges of equal magnitude,
but opposite polarity, building up on each plate.

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5. CRYSTALOSCILLATOR:-
 A miniature 4 MHzquartz crystal enclosed in a hermetically sealed HC-49/US
package, used as the resonator in a crystal oscillator.
 A crystal oscillator is an electronic circuit that uses the mechanical resonance of a
vibrating crystal of piezoelectric material to create an electrical signal with a very
precise frequency.
6. VOLTAGE REGULATOR
 A voltage regulator is an electricalregulator designed to automatically maintain a
constant voltage level.
 It may use an electromechanical mechanism, or passive or active electronic
components. Depending on the design, it may be used to regulate one or more AC or
DC voltages.

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7. Microcontroller(8051):-
 The Intel MCS-51 (commonly termed 8051) is a Harvard architecture, complex
instruction set computing (CISC) instruction set, single chip microcontroller (µC)
series developed by Intel in 1980 for use in embedded systems.[1] Intel's original
versions were popular in the 1980s and early 1990s and enhanced binary
compatible derivatives remain popular today.
8. Other Components which are used:-
Following components are used in this project:
 Smart phone
 2. Model of a house
 Computer (LabView)
 Relays
 Fans
 LED’s
 Adaptor (12V)
 8. Db-25 (parallel port interface)
 Transistors (for switching)
 Bridge
 7805 regulator

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Flow-chart:-

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6. Measuring Instruments/ techniques - knowledge and use:-
1. DMM: -
 We use Digital Multi-Meter to measuring the output of home Appliances means the
circuit is working or not.
 We have to set middle wheel to 750 V A.C. supply for the safety of DMM, then there
two pin touch to the input of wire witch we connect to home appliances after
measuring. And also measuring a component of the circuit.

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7. Simulation and Analysis (Software modeling)
Simulation of project:-

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Working of the Project:-
 This project uses DTMF technology to control home appliances.DTMF stands for
Dual Tone Multi Frequency.This DTMF based system can control home appliances
via mobile phone communication from anywhere around the world.
 This facilitates the user to operate anything on his fingertips.
 It requires two cell phones to operate properly; one of them will always remain in
touch with the circuit and another to place a call on that phone.
 In this circuit Relay-1 will work if we press “123”, “456” for Relay-2 and “789” for
Relay-3.
 Now pressing the digits in reverse order will switch off the corresponding relay i.e.
“321”, “654” and”987” will switch off Relay-1,2,3 respectively.
 In case we need to switch off all of them at same time then pressing “0” will
accomplish the task.
 Now comes the most interesting part; why interfacing L293D with such a circuit?
Here’s your answer, 8051 chips, especially AT89S52’s are not capable of delivering
that much current which is required by the relay module to work. Thus I got an idea of
using L293D which will enhance the current value as well as the voltage part because
my relays work on 12 v DC.
APPLICATIONS:
 There are moments in our lives where we are in doubt, whether we have closed the
lights/fans/appliances or not. This system will help you resolve your worry, simply
give a call to the phone connected and press the corresponding digits.
 It can also serve for the purpose of switching on A.C’s to cool down your room on a
hot-sunny day, before you reach your house.
 There is no end to the number of applications this system can perform, you just need
to have an idea!

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8.Conclusion/Future scope:-
Future scope:-
 This project can be further developed by integrating it with the internet to monitor
yourhome while sitting in a remote area. By doing this, one can keep an eye on his or
her homethrough an internet connected to the user’s mobile phone or PC or laptop.
 This will notonly improve the security of your home in this modern day world but
will also assist inconservation of energy like if you left any home appliance switched
on by mistake, thenyou can check the status of the appliance on the graphical
interface made on your mobileand can switch it off using the internet connectivity.
Conclusion:-
 The home automation system has been experimentally proven to work satisfactorily
by connecting sample appliances to it and the appliances were successfully controlled
from a wireless mobile device. The Bluetooth client was successfully tested on a
multitude of different mobile phones from different manufacturers, thus proving its
portability and wide compatibility.
 This project will not only provide convenience to the common man but will be a boon
for the elderly and disabled.

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9. REFERENCES :-
1) Android official website.
http://developer.android.com/
2.www.slideshare.com
3.www.weikipadia.com