Construction Of A Microcontroller Based Security Door Using Smart Card
This project shows the construction of a microcontroller based security door using smart card. It is aimed towards programming the microcontroller to control the hardware in sliding door. The system consists of a microcontroller 89S52 which sends a signal to the multiplexers on insertion of the smart card in the card slot. The multiplexers consist of ICS which prompts for a display of the identity of the card user in the liquid crystal display (LCD). The LCD displays the status of the card. On validation of the card, the LCD displays a welcome note to the user and prompts for a pin code. The pin code is being keyed in from the key pad. If confirmed by the program written into the microcontroller access will be granted, otherwise no access, giving the user two more chances to insert the correct smartcard or pin code to it, before final denial of access and alarm. When access is granted, the card sends a 5volt signal to the microcontroller which triggers relay, resulting in the opening of the door.
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Title Page
Approval Page
Dedication
Acknowledgement
Abstract
Table of contents
List of Tables
List of Figures
Glossary of Symbols / Abbreviations
CHAPTER ONE
1.0 INTRODUCTION
1.1 Areas of application
1.2 Aims and Objectives
1.3 Project Scope
CHAPTER TWO
2.0 LITERATURE REVIEW
2.1 Mechanism of Security of access system
2.1.2 Types of security access system
2.1.3 Sound activated lock system
2.1.4 Shadow detector access system
2.1.5 Pressure and pad sensitive security system
2.1.6 Smartcard access system
2.1.7 History
2.2 The components used
2.2.1 The microcontroller
2.2.2 Elements of a microcontroller
2.2.2.1 The CPU
2.2.2.2 Ram
2.2.2.3 Eprom
2.2.2.4 Input / Output –
2.2.3 Relay
2.2.4 Liquid crystal display
2.2.5 Key pad
2.2.6 Active components
2.2.6.1 Transistor
2.2.6.2 Diodes
2.3.0 Passive component
2.3.1 Resistor
2.3.2 Capacitor
2.3.3 Transformer
2.4 Micro switches
CHAPTER THREE
3.0 DESIGN ANALYSIS OF THE ELECTRIC CIRCUIT AND MECHANICAL UNIT
3.1 Hardware design
3.2 Keypad select module
3.3 Sliding door unit
3.4 Alarm signal unit
3.5 Display unit
3.5.1 Display unit calculation
3.6 89S52 microcontroller
3.6.1 Powering the microcontroller
3.6.2 Crystal oscillator unit
3.7 smartcard unit
3.8 Power supply unit
3.8.1 Step down
3.8.2 Rectification Filtering
3.9 synchronous 12v DC motor
3.10 mechanical unit
3.10.1 Fabrication of component parts
3.10.2 Mechanism casing
3.10.3 Door post
3.10.4 The door
3.11 software development
3.11.1 text editor
3.11.2 Translator
3.11.3 Link / locator
3.11.4 Loader
3.11.5 Testing
3.11.6 Debugging
3.12 Development process
3.13 Program entry and editing
3.14 Assembly and linking
3.15 Hexadecimal conversion
3.16 Circuit design diagram
CHAPTER FOUR
4.0 MATERIAL SELECTION, ASSEMBLY PROCESS, COST ANALYSIS, TEST AND RESULT
4.1 Material selection
4.2 Assembly process
4.3 Cost analysis
4.4 Test and Result
CHAPTER FIVE
5.0 DISCUSSION OF RESULTS, CONCLUSION AND RECOMMENDATION
5.1 Discussion of results
5.2 Conclusion
5.3 Recommendation
References
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