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TITLE PAGE

 

BY

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--/H2013/01430
DEPARTMENT OF ----
SCHOOL OF ---
INSTITUTE OF ---

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APPROVAL PAGE

This is to certify that the research work, "design and construction of door locking security system using gsm". by ---, Reg. No. --/H2007/01430 submitted in partial fulfillment of the requirement award of a Higher National Diploma on --- has been approved.

By
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Signature……………….                           Signature……………….        

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DEDICATION
This project is dedicated to Almighty God for his protection, kindness, strength over my life throughout the period and also to my --- for his financial support and moral care towards me.Also to my mentor --- for her academic advice she often gives to me. May Almighty God shield them from the peril of this world and bless their entire endeavour Amen.

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ACKNOWLEDGEMENT

The successful completion of this project work could not have been a reality without the encouragement of my --- and other people. My immensely appreciation goes to my humble and able supervisor mr. --- for his kindness in supervising this project.
My warmest gratitude goes to my parents for their moral, spiritual and financial support throughout my study in this institution.
My appreciation goes to some of my lecturers among whom are Mr. ---, and Dr. ---. I also recognize the support of some of the staff of --- among whom are: The General Manager, Deputy General manager, the internal Auditor Mr. --- and the ---. Finally, my appreciation goes to my elder sister ---, my lovely friends mercy ---, ---, --- and many others who were quite helpful.

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This project is on door locking security system using GSM. security door that can be remotely controlled by a GSM phone set acting as the transmitter and another GSM phone set with a dual tone multi-frequency (DTMF) connected to the door motor through a DTMF decoder interfaced with microcontroller unit and a stepper motor .The design is composed of four main functional modules, namely; the GSM module, the decoding module, controlling module and the switching module. The GSM module act as both transmitting and receiving unit employs the use of a mobile phone set serving as the communication device between the user at one end and the object of access (i.e. the door) at the other receiving end. The decoding module and the controlling module are made possible using modern integrated circuit chips ensuring proper conversion of signal to binary codes, enabling the microcontroller to communicate properly with the switching device responsible for opening and closing the door. The codes for this project was written in assembly language with Visual basic software and compiled with M-IDE studio for MC-51compiler which work perfectly with Window XP environment, the program run without error before it was burn onto the microcontroller using a device called the programmer by placing the microcontroller on it socket equal to the pin number.

CHAPTER ONE
1.1                                                        INTRODUCTION
Security describes protection of life and property. There are doors to keep people out. Key locks and chains reinforce the mode of security. Doors are being made of metals not just wood anymore. Influential persons in our society have bullet proof doors to ensure a good measure of security of self and family. The security sector is experiencing diversification as it has never seen before. This has brought about the need to review the reliability of already existing systems and look into the possibility of creating better systems that are smarter and more secure.

The micro controller based digital lock presented here is an access control system that allows only authorized persons to access a restricted area, this system is best suitable for corporate offices, automated machine (ATMs) and home security. It comprises of a small electronic unit which is in fixed at the entry door to control a solenoid-operated lock with the help of a stepper motor, when an authorized person enters predetermined user password via the global system for mobile communication (GSM) keypad, the stepper motor is operated for a limited time to unlatch the solenoid-operated lock so the door can be open. At the end of preset delay time, the stepper motor is operated in reverse direction and the door gets locked again.
When the code has been incorrectly entered three times in a row, the code lock will switch to block mode, this function thwarts any attempt by „hackers‟ to quickly try a large number of codes in a sequence. If the user forgets his password, the code lock can be accessed by a unique 8 digit administrator password and the secret code can be changed any time after entering the current code (Master code).

The project intends to interface the microcontroller with the GSM modem and start/stop the engine by sending the predefined messages from the mobile phone to the controlling unit, The software application and the hardware implementation help the microcontroller read the messages sent by the user from a mobile phone or send messages to the mobile phone through the modem and accordingly change the status of the engine motor required. The measure of efficiency is based on how fast the microcontroller can detect the incoming message and act accordingly.
The system is totally designed using GSM and embedded systems technology. The Controlling unit has an application program to allow the microcontroller read the incoming data through the modem and control the engine motor as per the requirement. The performance of the design is maintained by the controlling unit.

This project uses 8051 microcontroller as the central processing unit. Specifically the proto-type make used of AT89s52 microcontroller with Programs written in assembly language burnt inside the microcontroller to perform the following capabilities;
Assembly language is used to write the interfacing program and compiled with M-IDE studio for MC- 51compiler which work perfectly with Window XP environment and may have compatibility problems with higher versions of the Window operating system
In residential applications: solid wood door, panel doors, metal skinned wood-edged doors and metal edge wrapped doors .In addition to doors are; deadbolts, frame reinforcements, door chains and hinge screws – long 3” screws but despite these reinforcements door, security by itself is very porous. An electronics or electric lock is a locking device which operates by means of electric current (Gibson Stan, 2001). One of such locks is magnetic locked (mag locked).
A large electro-magnet is mounted on the door frame and a corresponding armature is held fast to the magnet (Mckenice, 1995). mag locks by design fail unlocked, that is if power is removed they unlock.

1.2                                       AIM / OBJECTIVE OF THE PROJECT
Increase the security level to prevent anØ unauthorized unlocking of the door.  Give the flexibility to the user to change or reset theØ password in case the user forgets that combination.  Lock the door by using password.Ø  To give user more secure yet cost-efficient way ofØ door locking system. The main objective of this project is to implement an Pass word Based Door Locking System Using GSM.
1.3                                         APPLICATIONS OF THE PROJECT

• Home
• Bank
• office

1.4                                         SIGNIFICANCE OF THE PROJECT

• Security is a prime concern in our day-today life. Everyone wants to be as much secure as possible. An access control for doors forms a vital link in a security chain. The microcontroller based Door locker is an access control system that allows only authorized persons to access a restricted area. In this system:
• No keys to be lost, stolen or occupied.
• Can be locked using keypad.
•  Automatic door opening .
• Gives an indication for unauthorized entry.
•  Totally cost efficient.

 

1.5                                                 SCOPE OF THE PROJECT
The system has a Keypad by which the password can be entered through it. When the entered password equals with the password stored in the memory then the Stepper motor rotate forward side so that the door is opened. If we entered a wrong password for more than three times then the Alarm is switched on.
The default password is 1111 and you can change the password by dialing 1234, old password, and new password #button. for example if you want to change the password from the default to 4523 then dial 123411114523# after dialing you can hear a beep sound which confirm the operation goes successful.
1.7                                              PURPOSE OF THE PROJECT
The main purpose of this project is to design a security Door locks system. In order to fulfill this application there are few steps that has been performed i.e.  Designing the power supply for the entire circuitry.  Selection of microcontroller that suits our application.  Selection Key pad.  Selection of DC motor.  Selection of buzzer according to the requirement. Complete studies of all the above points are useful to develop this project.
1.8                                           LIMITATION OF THE PROJECT

• Currently if the personal identification number is somehow forgotten the system could not be accessed.
•  Powered by electricity may not function properly in the case of a power failure.

1.9                       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 this study. In this chapter, the background, significance, objective limitation and problem of this study were discussed.
Chapter two is on literature review of the study. 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.

CHAPTER FIVE
5.1                                                           CONCLUSION
Password based door locking security system is used in the places where we need more security. it can also used to secure lockers and other protective doors. the system comprises a number keypad and the keypads are connected to the 8 bit microcontroller at89s52. the microcontroller continuously monitor the keypad and if somebody enters the password it will check the entered password with the password which was stored in the memory and if it they are same then the microcontroller will switch on the corresponding device. the system will allow the person who knows the password and it will not allow who don’t know the password.
In this paper, design of a security and access control system for use in University is presented. The system uses GSM technology to differentiate between valid and invalid users.
The system accomplishes the security and access control task by processing information from sub-controllers. These controllers include entrance monitoring controller, exit monitoring controller and mess monitoring controller installed at entrance gate, exit gate and mess gate respectively.

 

5.2                                                    RECOMMENDATION
This project is designed to be used in homes and industries and wherever there is need for high security. And should be used and maintain by a qualified personnel.

 

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CHAPTER TWO: The chapter one of this work has been displayed above. The complete chapter two of "design and construction of door locking security system using gsm". is also available. Order full work to download. Chapter two of "design and construction of door locking security system using gsm". consists of the literature review. In this chapter all the related work on "design and construction of door locking security system using gsm". was reviewed.

CHAPTER THREE: The complete chapter three of "design and construction of door locking security system using gsm". is available. Order full work to download. Chapter three of "design and construction of door locking security system using gsm". consists of the methodology. In this chapter all the method used in carrying out this work was discussed.

CHAPTER FOUR: The complete chapter four of "design and construction of door locking security system using gsm". is available. Order full work to download. Chapter four of "design and construction of door locking security system using gsm". consists of all the test conducted during the work and the result gotten after the whole work

CHAPTER FIVE: The complete chapter five of "design and construction of door locking security system using gsm". is available. Order full work to download. Chapter five of "design and construction of door locking security system using gsm". consist of conclusion, recommendation and references.

 

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