DIGITAL COMBINATION LOCK SYSTEM

  • Type: Project
  • Department: Computer Engineering
  • Project ID: CPE0038
  • Access Fee: ₦5,000 ($14)
  • Chapters: 5 Chapters
  • Pages: 40 Pages
  • Methodology: nil
  • Reference: YES
  • Format: Microsoft Word
  • Views: 1.2K
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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 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
3.1    Construction                                                                                                              20
3.2    Circuit diagram
3.3    The input unit                                                                                                            22
3.4     Component selection                                                                                              22
3.5     Casing                                                                                                                         24
3.6     Testing                                                                                                                       24
CHAPTER FOUR 
4.0     Summary, Conclusion and Recommendation                                                     27
4.1     Summary                                                                                                                   27
4.2      Conclusion                                                                                                               28
4.3      Recommendation                                                                                                   29
Reference                                                                                                                            30






















ix



Figure 3.1

Figure 3.2

Figure 3.3a

Figure 3.3b

Figure 3.4

Figure 3.7

Figure 4.3

Figure 4.3a
LIST OF FIGURE
1)-type flip flop 8
Schematic of D-type flip flop 9
Logic symbol 9
Schematic of JK flip flop 10
Input grounding 12
Circuit diagram 14
Casing design 16
Test procedure 17
 

DIGITAL COMBINATION LOCK SYSTEM
For more Info, call us on
+234 8130 686 500
or
+234 8093 423 853

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  • Type: Project
  • Department: Computer Engineering
  • Project ID: CPE0038
  • Access Fee: ₦5,000 ($14)
  • Chapters: 5 Chapters
  • Pages: 40 Pages
  • Methodology: nil
  • Reference: YES
  • Format: Microsoft Word
  • Views: 1.2K
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    Details

    Type Project
    Department Computer Engineering
    Project ID CPE0038
    Fee ₦5,000 ($14)
    Chapters 5 Chapters
    No of Pages 40 Pages
    Methodology nil
    Reference YES
    Format Microsoft Word

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