This system demonstrates a password based door lock system wherein once the correct code or password is entered, the door is opened and the concerned person is allowed access to the secured area. Again if another person arrives it will ask to enter the password. If the password is wrong then door would remain closed, denying the access to the person.
TABLE OF CONTENT
TITLE PAGE
APPROVAL PAGE
DEDICATION
ACKNOWLEDGEMENT
ABSTRACT
TABLE OF CONTENT
CHAPTER ONE
1.0 INTRODUCTION
1.1 OBJECTIVE OF THE PROJECT
1.2 SIGNIFICANCE OF THE PROJECT
1.3 SCOPE OF THE PROJECT
1.4 STATEMENT OF PROBLEM
1.5 LIMITATION OF THE PROJECT
1.6 APPLICATION OF THE PROJECT
1.7 PROJECT ORGANISATION
CHAPTER TWO
2.0 LITERATURE REVIEW
2.1 REVIEW OF DOOR LOCKING
2.2 HISTORITICAL BACKGROUND OF THE PROJECT
CHAPTER THREE
3.0 CONSTRUCTION
3.1 BLOCK DIAGRAM
3.2 CIRCUIT DIAGRAM
3.3 SYSTEM OPERATION
3.4 CIRCUIT DESCRIPTION
3.5 DESCRIPTION OF COMPONENTS USED
CHAPTER FOUR
4.0 RESULT ANALYSIS
4.1 CONSTRUCTION PROCEDURE AND TESTING
4.2 CASING AND PACKAGING
4.3 ASSEMBLING OF SECTIONS
4.4 TESTING OF SYSTEM OPERATION
4.5 INSTALLATION OF THE COMPLETED DESIGN
4.6 COST ANALYSIS
CHAPTER FIVE
5.0 CONCLUSION
5.1 RECOMMENDATION
5.2 BIBLIOGRAPH
CHAPTER ONE
1.0 INTRODUCTION
Traditional lock systems using mechanical lock and key mechanism are being replaced by new advanced techniques of locking system. These techniques are an integration of mechanical and electronic devices and highly intelligent. One of the prominent features of these innovative lock systems is their simplicity and high efficiency.
Such an automatic lock system consists of electronic control assembly which controls the output load through a password. This output load can be a motor or a lamp or any other mechanical/electrical load.
Here we develop an electronic code lock system using 8051 microcontroller, which provides control to the actuating the load. It is a simple embedded system with input from the keyboard and the output being actuated accordingly.
This system demonstrates a password based door lock system wherein once the correct code or password is entered, the door is opened and the concerned person is allowed access to the secured area. Again if another person arrives it will ask to enter the password. If the password is wrong then door would remain closed, denying the access to the person.
1.2 THE OBJECTIVE OF THE PROJECT
The objective of this work is to design an automatic lock system consists of electronic control assembly which controls door through a password using microcontroller.
1.3 STATEMENT OF THE PROBLEMS
In every home, office or industries, keypad appliances plays a vital role, that is, It provides a means of switching appliances of different power rating using relay; This project has been improved on the existing types of electromechanical device that has being in use over the years.
In the course of designing this project, different kinds of problem was notice such as:
- Difficulty in troubleshooting with circuit without the circuit diagram
- Difficulty in connecting the circuit, without the circuit diagram.
- Difficult in wiring because of the strong wiring the project required.
1.4 LIMITATION OF THE PROJECT
This work covers only using 4*4 keypad and it is microcontroller based.
- It is a low range circuit, i.e. it is not possible to operate the circuit remotely.
- If you forget the password it is not possible to open the door.
1.5 APPLICATION OF THE PROJECT
Applications of Password Based Door Lock System Circuit:
- This simple circuit can be used at residential places to ensure better safety.
- It can be used at organizations to ensure authorized access to highly secured places.
- With a slight modification this Project can be used to control the switching of loads through password.
1.6 ADVANTAGES OF PASSWORD BASED DOOR LOCK SYSTEM
- This project provides security
- Power consumption is less
- Used commonly available components
- Project is simple and easy
1.7 PROJECT WORK ORGANISATION
The various stages involved in the development of this project have been properly put into five chapters to enhance comprehensive and concise reading. In this project thesis, the project is organized sequentially as follows:
Chapter one of this work is on the introduction to electronic letter box. In this chapter, the background, significance, objective limitation and problem of electronic letter box were discussed.
Chapter two is on literature review of electronic letter box. In this chapter, all the literature pertaining to this work was reviewed.
Chapter three is on design methodology. In this chapter all the method involved during the design and construction were discussed.
Chapter four is on testing analysis. All testing that result accurate functionality was analyzed.
Chapter five is on conclusion, recommendation and references.
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