This project is also an implementation of modern technology. We have designed and developed an arduino based laser security system, using alarm and SMS based security with Bluetooth. The Laser Security System allows to maintain security in a room. For example by shining a laser across a photo-resistor inside a box. When laser is block from the photo resistor we send an alerting message via bluetooth communication to a guarded slave micro controller. The slave micro controller, Arduino and cellular shield will work together to send a text message to alert the owner that there has been a breach.

TABLE OF CONTENTS

 TITLE PAGE

APPROVAL PAGE
DEDICATION
ACKNOWELDGEMENT
ABSTRACT
TABLE OF CONTENT

CHAPTER ONE

• INTRODUCTION
• AIM OF THE PROJECT
• OBJECTIVE OF THE PROJECT
• PURPOSE OF THE PROJECT
• SIGNIFICANCE OF THE PROJECT
• STATEMENT OF THE PROBLEMS
• APPLICATION OF THE PROJECT
• PROJECT MOTIVATION
• PROJECT ORGANISATION

CHAPTER TWO

2.0      LITERATURE REVIEW
2.1      OVERVIEW OF LASER
2.2     FUNDAMENTALS OF LASER
2.3     TERMINOLOGY OF LASER
2.4    HISTORICAL BACKGROUND OF LASER
2.5    TYPES AND OPERATING PRINCIPLES OF LASER
2.6   HISTORICAL BACKGROUND OF ARDUINO
2.7   DEVELOPMENT OF ARDUINO

CHAPTER THREE

3.0      METHODOLOGY

3.0     CONSTRUCTION
3.1      BLOCK DIAGRAM OF THE SYSTEM
3.2      DESCRIPTION OF DIAGRAM OF THE SYSTEM
3.3      SYSTEM CIRCUIT DIAGRAM
3.5      SYSTEM OPERATION
3.6      HARDWARE DESIGN
3.7      HARDWARE INTERFACE
3.8      SYSTEM FLOW CHAT AND CODES
3.9      ARDUINO PINS AND JACKS
3.10   DESCRIPTION OF COMPONENTS USED

CHAPTER FOUR
RESULT ANALYSIS
4.0      CONSTRUCTION PROCEDURE AND TESTING
4.1      CASING AND PACKAGING
4.2      ASSEMBLING OF SECTIONS
4.3      TESTING AND RESULT OF SYSTEM
4.4      TECHNICAL CHALLENGES

CHAPTER FIVE     
5.0      CONCLUSION
5.1      RECOMMENDATION
5.2      FUTURE WORK SCOPE
5.3      REFERENCES
5.4      APPENDIX

 

CHAPTER ONE
1.0                                                        INTRODUCTION
Security is a most important factor today. Technology develops day by day in the world. The crime gang also improves their technology to perform their operation. So technology of security should be modern with time to protect the crime works. We decide to make a security project as our project. In this project we have used laser light to cover a large area. We know laser light goes through long distance without scattering effect. It’s also visible only at source and incident point, otherwise invisible. These two properties help us to build up a modern security system, which may name as “laser security”. When any person or object crossover the laser line the security alarm will ringing and also the focus light will “on” to focus the entrance of unauthorized person. We can make a security boundary of single laser light by using mirror at every corner for reflection. Siren is a device that produces loud noise. They are the means communication. Sirens can be seen in emergency vehicles such as police cars, ambulances and fire engines. Generally, sirens are used as indication or warning. There are different circuits to produce different sirens. Here in this project a screaming siren lights circuit is presented. Screaming siren lights are those which produces siren depending on the light intensity falling on the circuit. We can also call it as Laser Based Security alarm as it is a Light Activated Alarm circuit. The circuit illustrated here is a burglar alarm. LDR is place at such a place that when the thief enters our house then a connection of beam of light and LDR is disrupted by the intruder and the buzzer goes off. When a ray of light is interrupted by anything, the LDR used in the circuit changes its resistance and causes the buzzer to go off, producing a large siren, scaring the intruders away. Circuit can be easily modified to make the police siren a simple alarming sound. If once the alarm circuit is on it will still ringing until push the reset button. There is two option of ringing. One is the duration of ringing depends on preset timer and another reset manually. If anybody wants to bind a sensitive area with the single ray he has to use mirror at every corner to reflect it. The system has built with low cost and high performance. The power consumption of the system is very low.

1.1                                                   AIM OF THE PROJECT
This security system will be using GPIO pins on the SJ One Board to detect if the laser has been trip. This board will use TX and RX lines to connect to the RN42-XV Bluetooth Module using serial communication (UART). There are two bluetooth modules, each one is connected to a SJ One Board and will communicate with each other, in order to specify when a text message should be sent. The Arduino module will provide power to the cellular shield and retrieve the information from the slave micro controller to send the according commands to the cellular shield.

1.2                                             OBJECTIVE OF THE PROJECT
Objectives for this project:

• Research and design the schematics to connect a light detection circuit to one of the SJ One Board and showing the output by lighting an LED
• Research bluetooth communication and integrate it to the light detection circuit
• Research gsm communication
• Complete hardware design
• Test functionality of the system
• Able to receive text messages from shield and send commands through text message
• Detect and connect to other bluetooth devices
• Totally reduces man power.

• Prevent the entry of unauthorized person in the particular area.
• And also improve the security system.
• To provide a very modern and high sensitive system.

1.3                                              PURPOSE OF THE PROJECT
The purpose of this work is to design a security device that uses laser light and Bluetooth module for protection of our homes, offices, banks, lockers etc. from intrusion and unauthorized access.

1.4                                         SIGNIFICANCE OF THE PROJECT
Laser based Security System is a type of security and alarm system that uses laser light and a light sensor. A security system protects our homes, offices, banks, lockers etc. from intrusion and unauthorized access. There are different types of security systems available and laser based security system is an important and efficient type.
A Laser security system can acts as a standalone system, which makes some sound or noise when it detects any irregular activity, or can be part of a much bigger security and home automation system, which can send messages, call the owner etc.

• The circuit, construction and setup for the Laser Security System is very simple.
• If used with a battery, the laser security system can work even when there is a power outage.

1.6                                              PROBLEM OF THE PROJECT

• The laser security system works only if the laser is obstructed. If the intruder passes without obstructing the laser, it is considered as a failure.
• In order to secure a larger area, we need more lasers and corresponding sensors.

1.7                                         APPLICATIONS OF THE PROJECT
Laser Security System can be used in safety lockers in our homes, where even if the locker’s code is hacked, it acts as an additional layer of security.

• Apart from security systems, this laser based setup can also be used to check if pets or babies crossed a certain boundary. 
• This security system protects our homes, offices, banks, lockers etc. from intrusion and unauthorized access.

1.8                                                  PROJECT MOTIVATION
Security is a most important factor today. Technology develops day by day in the world. The crime gang also improves their technology toper form their operation. So technology of security should be modern with time to protect the crime works. We decide to make a security project as our project. In this project we have used laser light to cover a large area. We know laser light goes through long distance without scattering effect. It’s also visible only at source and incident point, otherwise invisible. These two properties help us to build up a modern security system, which may name as “laser security”. When any person or object crossover the laser line the security alarm will ringing and also the focus light will “on” to focus the entrance of unauthorized person. We can make a security boundary of single laser light by using mirror at every corner for reflection. Our project provides complete information on the topic "Laser Security Alarm System" and maximum efforts have been taken to make the project more comprehensive and lucid to understand. Our project covers a variety of sub topics like its working, setup, uses in life and different aspects of Laser Security Alarm System.

1.9                                        PROJECT WORK ORGANISATION
The various stages involved in the development of this project have been properly put into five chapters to enhance comprehensive and concise reading. In this project thesis, the project is organized sequentially as follows:
Chapter one of this work is on the introduction to the study. In this chapter, the background, significance, objective limitation and problem of the study were discussed.
Chapter two is on literature review of this study. In this chapter, all the literature pertaining to this work was reviewed.
Chapter three is on design methodology. In this chapter all the method involved during the design and construction were discussed.
Chapter four is on testing analysis. All testing that result accurate functionality was analyzed.
Chapter five is on conclusion, recommendation and references.

 

 

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