Due to the advancement in science and technology all over the world, there is a significant increase in the rate of crime and sophistication in crimes; as a result, it is necessary to ensure the security of one’s self and one’s valuable belongings. The main goal of this paper is aimed at creating an electronic security system capable of detecting an intruder and reporting to security personnel. The design of the microcontroller based electronic digital lock with security notification uses a four-digit pass key for its operation. The operation involves opening the door, closing the door, changing of password and alarm upon wrong password entry. It is important for use in Bank Vaults, Hotels, Offices and can also be used in our homes. The research objectives were achieved with the use of microcontroller which programs the 8051 microprocessor and interfaces it with all the other components in the circuit. At the end of this work, the circuit was able to activate an alarm when it detects a wrong password.
COVER PAGE
TITLE PAGE
APPROVAL PAGE
DEDICATION
ACKNOWELDGEMENT
ABSTRACT
CHAPTER ONE
1.0 INTRODUCTION
1.1 BACKGROUND OF THE PROJECT
1.2 AIM OF THE PROJECT
1.3 OBJECTIVE OF THE PROJECT
1.4 PURPOSE OF THE PROJECT
1.5 LIMITATION OF THE PROJECT
1.6 SCOPE OF THE PROJECT
1.7 APPLICATION OF THE PROJECT
1.8 SIGNIFICANCE OF THE PROJECT
1.9 PROJECT OUTLINE
CHAPTER TWO
LITERATURE REVIEW
2.1 OVERVIEW OF A COMBINATION LOCK
2.2 HISTORICAL BACKGROUND OF A COMBINATION LOCK
2.3 TYPES OF A COMBINATION LOCK
2.4 DIGITAL COMBINATIONAL LOCK WITH LCD USING 8051 MICROCONTROLLER
2.5 HISTORY OF THE 8051 MICROCONTROLLER
2.6 MATRIX KEYPAD INTERFACING WITH MICROCONTROLLER
CHAPTER THREE
3.0 CONSTRUCTION METHODOLOGY
3.1 BLOCK DIAGRAM
3.2 SYSTEM BLOCK EXPLANATION
3.4 CIRCUIT DIAGRAM
3.5 CIRCUIT DESCRIPTION
3.6 LIST OF COMPONENTS USED
3.7 PROGRAM EXPLANATION
3.8 DESCRIPTION OF COMPONENTS USED
3.9 POWER SUPPLY UNIT
CHAPTER FOUR
4.0 TESTING AND RESULTS
4.1 CONSTRUCTION PROCEDURE AND TESTING
4.2 INSTALLATION OF THE COMPLET DESIGN
4.3 ASSEMBLING OF SECTIONS
4.4 MOUNTING PROCEDURE
4.5 TESTING OF SYSTEM OPERATION
CHAPTER FIVE
5.1 CONCLUSION
5.2 RECOMMENDATION
5.3 REFERENCES
Design And Construction Of Microcontroller Based Digital Combinational Lock System. (n.d.). UniTopics. https://www.unitopics.com/project/material/design-and-construction-of-microcontroller-based-digital-combinational-lock-system/
“Design And Construction Of Microcontroller Based Digital Combinational Lock System.” UniTopics, https://www.unitopics.com/project/material/design-and-construction-of-microcontroller-based-digital-combinational-lock-system/. Accessed 19 September 2024.
“Design And Construction Of Microcontroller Based Digital Combinational Lock System.” UniTopics, Accessed September 19, 2024. https://www.unitopics.com/project/material/design-and-construction-of-microcontroller-based-digital-combinational-lock-system/
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