COMPLETE SCHOOL PROJECT TOPICS & MATERIALS :
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ABSTRACT
This project work deals on the Design and Construction of Intruder Detector Alarm System with Direction/Location Displaywhich is capable of detecting intrusion at any location, sound and alarm and display the exact location of the intruder using seven segment displays. This project work is realized using top down methodology with active and passive components available in the local market. It is realized in different modules, all combined to form one function unit. The inputs are opto-couplers configured with laser diodes and light Dependent Resistor. (LDR) which act as the electronic eyes installed at the sensory points. The control unit is made up of one short delay circuit, audio frequency generator, priority encoder and decoder, piezo-buzzer and single digit seven segment display. The system is packaged in a well furnished wooden material. This system does not record/display the intruder. In a case of simultaneous intrusion, the display shows the location with the highest priority. And the system is powered from MAINS supply. The result being a system which can detect intrusion,, sound an audible alarm and displays the exact location of the intruder. It has a wide a range of application in surveillance especially in industrial home security.
TABLE OF CONTENT
Title page – – – – – – – – – i
Certification page – – – – – – – – ii
Approval page – – – – – – – – iii
Dedication – – – – – – – – – iv
Acknowledgement – – – – – – – v
Abstract – – – – – – – – – vi
Table of content – – – – – – – – vii
List of tables – – – – – – – – – ix
List of figures – – – – – – – – x
Chapter One
Introduction
1.1. Background of the study – – – – – – 1
1.2. General description – – – – – – 1
1.3. Aim and objectives – – – – – – 2
1.4. Project significance – – – – – – 2
1.5. Scope of the study – – – – – – – 3
1.6. Project report organization- – – – – – 3
Chapter Two
Literature Review
2.1. Historical background of the study – – – – 4
2.2. User of Buglar alarm- – – – – – – 4
2.2.1. Application of burgular alarm – – – – – 5
2.3. The 74132 (Quad-2-input schimit trigger Nand gate) – – 5
2.4. The seven segment display – – – – – 6
2.5. The Ne555 timer – – – – – – – 8
2.6. The Optical light sensor using LDR – – – – 12
2.7. Other system components – – – – – – 15
Chapter Three
3.1. Description of the system block diagram – – – 25
3.2. Block diagram representation of the system – – – 25
3.3. System design specification – – – – – 26
3.4. Power Supply Unit Design – – – – – – 27
3.5. Principle of operation of the system – – – – 28
3.6. System Design calculation- – – – – – 29
3.6.1. Design of the power supply circuit – – – – 29
3.6.2. Mono-stable multi-vibrator – – – – – – 30
3.6.3. Transistor Design – – – – – – – 30
Chapter Four
Implementation, Testing and Result
4.1. Implementation – – – – – – – 31
4.2. Testing – – – – – – – 31
4.3. Result – – – – – – – – 32
4.4. Project packaging – – – – – – – 33
4.5. Bill of Engineering – – – – – – – 34
Chapter five
Summary, Conclusion and Recommendation
5.1. Summary of achievement – – – – – – 36
5.2. Problem Encountered and solution – – – – 36
5.3. Conclusion – – – – – – – – 37
5.4. Recommendation – – – – – – 37
References – – – – – – – – 39
Use’s guide – – – – – – – – 40
LIST OF TABLES
2.1. Logic table of priority Encoder (74147) – – – – 6
2.3. Different symbols of resistor – – – – – – 17
2.4. Resistor color code – – – – – – – 18
4.1. Bill of engineering quality – – – – – – 34
LIST OF FIGURES
2.1. Physical layout of SSD – – – – – – 7
2.2 Schematic Diagram of Seven Display – – – – 7
2.3. Ne555 timer IC – – – – – – – 8
2.4. Internal block diagram of Ne555 Timer IC – – – 8