The increasing rate of crime, attacks by thieves, intruders and vandals, despite all forms of security gadgets and locks still need the attention of researchers to find a permanent solution to the well being of lives and properties of individual. To this end, we constructed a cheap and effective security system for buildings, cars, safes, doors and gates, so as to prevent unauthorized person from having access to ones properties through the use of codes, we therefore experiment the application of electronic devices as locks. However, a modular approach was employed in the construction in which the combination lock was divided into units and each unit constructed separately before being coupled to form a whole functional system. During the construction, we conducted five testscarried out with the first three combinations being four digits number, the next two tests being five digits. From the result obtained, combinations (2), (4), (7), (8) gave the correct output combination. The general operation of the system and performance is dependent on the key combinations. The overall system was constructed and tested and it works perfectly.
TABEL OF CONTENT
Title page i
Declaration ii
Certification iii
Dedication iv
Acknowledgement v
Abstract vi
Table of content vii
CHAPTER ONE
1.0 Introduction 1
1.1 Principle of the system 2
1.2 Objective of the study 3
1.3Statement of the problem 3
1.4 Significant of the study 4
1.5 Scope of study 4
CHAPTER TWO
2.0 Literature review 5
2.1 historical development 5
2.2 Types of locks 6
2.3 Digital electronic combination locks 14
2.4 A comparison of the past solutions 16
2.5 An advancement of arguments to support the current choice 17
CHAPTER THREE
3.0 Construction, Testing, and discussion of result 20
ABSTRACT The increasing rate of crime, attacks by thieves, intruders and vandals, despite all forms of security gadgets and locks still need the attention of researchers to find a permanent solution to the well being of lives and properties of individual. To this end, we constructed a cheap and... Continue Reading
ABSTRACT Whenever we think of redefined security, we think of coded electrical door lock. It is a microcontroller based security door lock that can be used in homes, offices, laboratories, etc. for more reliable and high fidelity door control system, powered by electrons panel or electromechanical panels. Due to high rate of insecurity, especially... Continue Reading
ABSTRACT Libraries have been an important part of educational and information sector of any school. The success of any library largely depends on proper management. Several libraries have suffered failure as a result of inadequate management and incapacitations in handling sensitive... Continue Reading
ABSTRACT Libraries have been an important part of educational and information sector of any school. The success of any library largely depends on proper management. Several libraries have suffered failure as a result of inadequate management and incapacitations in handling sensitive information as regards members of the library. This... Continue Reading
DESIGN AND IMPLEMENTATION OF DIGITAL LIBRARY SERVICES SYSTEM CHAPTER ONE INTRODUCTION 1.1 INSIGHT INTO LIBRARY SYSTEM A library can be defined as a room or building where books are kept and referenced. It is an area of multifarious activity on book management. A library as a repository of knowledge, houses... Continue Reading
ABSTRACT: This project deals with the design and implementation of a radio controlled car lock with 5-minutes ignition deactivation facility capable of locking a vehicle using a remote control from a distance. The system is designed in two functional units; the transmitter which is an RF handheld remote control, and the receiver units. The... Continue Reading
Chapter one INTRODUCTION 1.1 Background of the study Electronic digital display system as used in this reports refers to a sign that uses electronic hardware and software to display its copy, messages or images. Also, a sign utilizing a fixed light source to provide a message in text, images pictures, and / or symbols that may appear to... Continue Reading
ABSTRACT This project deals with the design and implementation of a radio controlled car lock with 5-minutes ignition deactivation facility capable of locking a vehicle using a remote control from a distance. The system is designed in two... Continue Reading
PREFACE The purpose of this text is to present at a primary and intermediate level a comprehensive over view of the construction principle and indeed the operation of a Digital Incubator. We want to present a situation where by as the temperature in going up let the resistance be decreasing and as the temperature decreases let the resistance be... Continue Reading
ABSTRACT Steganography is the art of hiding the fact that communication is taking place, by hiding information in other information. Many different carrier file formats can be used, but digital images are the most popular because of their frequency on the internet. For hiding secret information in images, there exists a large variety of... Continue Reading