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Design and Construction of an Intruder Detector for Office and Home Use

Design and Construction of an Intruder Detector for Office and Home Use

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Reference ID: PS-513-TM


This research work titled "Design and Construction of an Intruder Detector for Office and Home Use" is dedicated to God for his enabling grace and to all computer enthusiasts who help to make life a pleasant experience.



I owe my indebtedness to my Supervisor (Name of your Supervisor), the Head of Department (Name of your HOD), the Lecturers in the department of Computer Engineering, Book Authors and Profound Scholars of existing/related research material for your moral support that facilitated the successful completion of my (Tertiary Institution level). I am grateful to God Almighty and my parent for their financial support in my career. I really appreciate you all for everything, Thank you very much.


Design and Construction of an Intruder Detector for Office and Home Use





  • 1.1 Background Of Study
  • 1.2 Objectives Of The Project
  • 1.3 The Justification Of The Project
  • 1.4 Scope Of Project
  • 1.5 Constraints
  • 1.6 Project Report Organization



  • 2.1 Introduction
  • 2.2 Origin
  • 2.3 Overview
  • 2.4 Sensors
  • 2.5 History Of Security
  • 2.6 Basic Of An Intruder System
  • 2.7 Residential Crime Prevention



  • 3.1 Design Methodology
  • 3.2 Project Specification:
  • 3.3 Hardware Subsystem
  • 3.3.1 The Input Interface Design
  • 3.3.2 Choosing The Resistor Value
  • 3.3.3 Analysis
  • 3.4 Alarm Unit
  • 3.4.1 Components Analysis
  • 3.4.2 Diodes
  • 3.4.3 Types Of Diodes
  • 3.5 Light-Emitting-Diodes Or Led'S
  • 3.4.4 Voltage Regulators
  • 3.4.5 Transistors
  • 3.4.6 Light Dependent Resistor (LDR)



  • 4.1 Conceptual Overview Of Project Layout
  • 4.2 Instruction



  • 5.1 System Testing And Integration
  • 5.2 Test Plan And Test Data
  • 5.2.1 Components Test
  • 5.2.2 System Test
  • 5.2.3 Other Tests
  • 5.3 Experimented Result Vs Actual Result



  • 6.1 Summary Of Achievement
  • 6.2 Problems Encountered And Solution
  • 6.3 Conclusion




This project deals on the design and construction of an intruder detector for home and office use. Security as one of the biggest issues in our world today and we need a system that will be able to monitor our home, offices and industries by using two sensing circuits, touch and motion sensors. These sensors will cheek for an intruder in two different positions or location and with an alarm system alerts the user about the presence of an intruder. An Intruder Detector for Office and Home Use is a device that detects movement of an object like human being. Many projects review the concept of intruder detecting system, but this project deals with the full practical work of the concept to prevent unauthorized person into a restricted area in our home, Industries, etc.


Design and Construction of an Intruder Detector for Office and Home Use


1.0 Introduction

1.1 Background of Study

Environmental, home and office security against intruders has become a thing of individual, national and international concern. The essence of this project is to provide a cost effective and more efficient security system in areas like homes, industries military etc. The application of this project will enhance effectiveness necessitating to security measures. It relevance, upgrades the conventional security system to automated system that will require little of human intervention. This project also builds a platform for further sophistication of automated security system by detailing all the measures taken in realizing this system. This will ensure a complete intruder proof system which will take care.

Intruder for home and office use is a design that detects the presence of an intruder in restricted areas and also informs the user by triggering an alarm. The system is based on hardware controller and other electronic design. This hardware controller uses two sensors, one for human touch sensing and the other for movement. The movement sensor uses light dependent resistor which must work in hand with a security light incident to it. With the security light, the system can receive signal when the intruder is around and translate the received signal from the sensors to useful information. In this design we have implored the use of hardware components, creativity and logics to bring about the entire project.

1.2 Aims and Objective of Study

The aim and objective of this project is to provide a cost effective and efficient security device for home and office use, to offer its users a paramount security.

1.3 Scope of Study

The system can sense human touch and movement then triggers an alarm when powered with a 9v battery. It is a home intruder system that stops intruders before they get in and can summon help immediately making sure the family under its protection is absolutely safe.

1.4 Justification of the Study

This project makes it difficult for intruders to break into a home when there is a spotlight shining down to them. Then with the light dependent resistor that works with the spot of light, makes this project a home intruder system that keeps criminals further away from a family.

1.5 Constraint of the Study

The biggest setback experienced during the course of this project is financial difficulties in funding the design of the project Secondly, sourcing of materials and components used was not easy. Finding the motion sensor wasn't an easy task. Some of the components I used for this project were very difficult to find like the transistor for buffer. Furthermore, I received a severe electric shock while trying to interface some circuits into my design that made me to almost give up.


2.0 Literature Review

2.1 Introduction

This chapter focuses on the review of related literature. A literature review includes the current knowledge as well as theoretical and methodological contributions to a particular topic. It documents the state of the art with respect to the topic you are writing. It surveys the literature in the topic selected. In this research work the literature review includes the …

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