CONSTRUCTION OF A GSM BASED HOME AUTOMATION USING AVR

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ABSTRACT
With advancement of technology things are becoming simpler and easier for us. Automatic systems are being preferred over manual system. The purpose of this project is to design and construct A GSM based home automation using AVR. Using GSM networks, in this project a home power control system has been proposed that will act as an embedded system which can monitor and control appliances and other devices locally using built-in input and output peripherals. The system has a delay of 2 minutes after the first call to initiate the next command. This project is made up of four vital units. These units are as follows: GSM module unit, peripheral interface control (PIC) unit, driver unit and a power monitoring and control unit. The GSM module is a GSM transceiver which gives the system access to the GSM service provider. The peripheral interface control (PIC) is programmed to carry out the OFF/ RESET operation according to the GSM commands while the driver and control unit consist of capacitors, resistors, diodes, regulators and electromagnetic relay is to effect power switching. The major component that performed the power control of 220v main supply and the automatic voltage regulation (AVR) is the automated electromagnetic relay. The project was realized.

TABLE OF CONTENT
Title page- - - - - - - - - - -i
Certification page- - - - - - - - - -ii
Dedication- - - - - - - - - - -iii
Acknowledgement- - - - - - - - -iv
Abstract- - - - - - - - - - -v
Table of content- - - - - - - - - -vi

CHAPTER ONE: INTRODUCTION
1.1 Introduction To The Project- - - - - - -1
1.2 Background Of Study- - - - - - - -2
1.3 Problem Statement- - - - - - - - -3
1.4 Aims And Objectives- - - - - - - -4
1.5 Scopes And Purpose Of System Specification- - - - -5
1.6 Limitations- - - - - - - - - -6

CHAPTER TWO: LITERATURE REVIEW
2.1 Review of Related Works- - - - - - -9
2.2 Home Automation System- - - - - - - -9
2.3 Brief History of Tone Recognition Device-- - - - -11
2.4 History of Home Automation- - - - - - -12
2.4.1 The Mechanical Evolution- - - - - - -13
2.4.2 The Electrical Evolution- - - - - - - -14
2.4.3 The Information Revolution- - - - - - -15
2.5 Smart Home Today- - - - - - - - -16
2.6 Aspects of Automation Speech Recognition (ASR) Device- - -18

CHAPTER THREE: SYSTEM ANALYSIS AND METHODOLOGY
3.1 Hardware Subsystem- - - - - - - -22
3.2 System Analysis- - - - - - - - -23
3.3 Regulation Unit- - - - - - - - -28
3.4 The Power Supply - - - - - - - - -30
3.5 The Microcontroller- - - - - - - - -30
3.6 The System Flow Chart- - - - - - - -31

CHAPTER FOUR: CONSTRUCTION AND COMPONENT LIST
4.1 Construction- - - - - - - - - -37
4.2 Constructional Methods- - - - - - - -37
4.3 Power Supply Unit (PSU)- - - - - - - -38
4.3 Mounting of Components- - - - - - - -40
4.4 Interconnection of Components- - - - - - -40
4.6 Bill of Engineering Materials and Evaluation (BEME)- - -42

CHAPTER FIVE: RECOMMENDATION, CONCLUSION AND CONSTRAINTS
5.1 Conclusion- - - - - - - - - -44
5.2 Recommendation- - - - - - - - -44
5.3 Major Constraint- - - - - - - - -45
5.4 Constraint Consideration- - - - - - - -45
5.5 Technology Consideration- - - - - - - -46
REFERENCE- - - - - - - - - -47

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