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TITLE PAGE
DESIGN AND CONSTRUCTION OF AN ELECTRONIC DISPLAY BOARD
BY
---
--/H2013/01430
DEPARTMENT OF ----
SCHOOL OF ---
INSTITUTE OF ---
DECEMBER,2018
APPROVAL PAGE
This is to certify that the research work, "design and construction of an electronic display board" by ---, Reg. No. --/H2007/01430 submitted in partial fulfillment of the requirement award of a Higher National Diploma on --- has been approved.
By
--- . ---
Supervisor Head of Department.
Signature………………. Signature……………….
……………………………….
---
External Invigilator
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.
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 report is aimed at explaining the Design and Construction of an electronic display board. It enumerate why we need electronic display board which is primarily for passage of information across the staff, students and public. It also includes the aim and objectives, advantages and disadvantages with a well narrated literature review and timeline that relates to digital display and its current trends in digital world.
Adequate coverage was given to mode of operation, result and discussion on the project work including Conclusion, Recommendations for further study, Bill of Engineering Measurement and Evaluation (BEME) and Reference.
TABLE OF CONTENTS
TITLE PAGE
APPROVAL PAGE
DEDICATION
ACKNOWLEDGEMENT
ABSTRACT
TABLE OF CONTENT
CHAPTER ONE
- INTRODUCTION
1.1 BACKGROUND OF THE STUDY
1.2 PROJECT MOTIVATION
1.3 AIM OF THE PROJECT
1.4 PROBLEM STATEMENT
1.5 OBJECTIVE OF THE PROJECT
1.6 SIGNIFICANCE OF THE PROJECT
1.5 LIMITATION OF THE PROJECT
1.6 PURPOSE OF THE PROJECT
1.7 PROJECT MOTIVATION
1.8 SIGNIFICANCE OF THE PROJECT
1.9 RESEARCH QUESTIONS
CHAPTER TWO
2.0 LITERATURE REVIEW
2.1 INTRODUCTION
2.2 ORIGIN/HISTORY OF THE PROJECT
2.3 TECHNOLOGY OF ELECTRONICS DISPLAY
2.4 REVIEW OF DIGITAL SIGNALS
2.5 BCD SYSTEM
CHAPTER THREE
3.0 METHODOLOGY
3.1 SYSTEM BLOCK DIAGRAM
3.2 THE PROCESS OF DESIGN AND CONSTRUCTION
3.3 CIRCUIT BOARD DESIGN AND IC CHIPS
3.4 LOADING THE ROM
3.5 FABRICATION
3.6 THE POWER SUPPLY
3.7 THE DISPLAY SYSTEM
3.8 THE SOFTWARE
CHAPTER FOUR
RESULT ANALYSIS
4.0 CONSTRUCTION PROCEDURE AND TESTING
4.1 CASING AND PACKAGING
4.2 ASSEMBLING OF SECTIONS
4.3 TESTING OF SYSTEM OPERATION
4.4 TESTING/COUPLING
4.5 MODE OF OPERATION
CHAPTER FIVE
5.1 CONCLUSION
5.2 REFERENCES
CHAPTER ONE
1.1 INTRODUCTION
Communication has become inevitable and vital thing in this present age, it is even believed to be a commodity meant for consumption by any targeted audience. One of the important qualities possessed by all animals is the ability to communicate with each other or one another at a given time.
An information display is a way of providing information and is used as an object for notification. It can be used for both indoor and outdoor which makes it universal fit for any form of alerts.
The extent of development in information dissemination has made it possible that the well known method of displaying information using sign posts, placards, notice boards, etc has to be modified by using intelligent display board.
In the previous years, the means by which adverts, information are display has been through the use of static mode of sign display such as banners, flyers etc, they are becoming boring and unattractive.
Electronic display board display advertisements are designated to catch a people’s attention and create a memorable impression very quickly, leaving the reader thinking about the advertisement after they have driven past it. They have to be readable in a very short time because, they are usually read while being passed at high speeds.
This piece of digital technology can be found in a number of places and are being used for different purposes.
In banks, it is used to display interest rates as well as exchange rates. In hotels and pubs, it is used to display the menu and prices, in schools it is used to display information related to the school programme and update news.
1.1 BACKGROUND OF THE STUDY
Electronic display board system as used in this reports refers to a sign that uses electronic hardware and software to display its copy, messages or images. Also, a sign utilizing a fixed light source to provide a message in text, images pictures, and / or symbols that may appear to move or may appear as on/off messages. This is contrast to traditional non-electronic signs where the copy displayed is physically applied to the sign surface by printing, painting or otherwise attaching it onto the sign. The materials or substrate to which the copy is applied is typically paper, wood, plastic or the wall of a building.
In this modern time, solid materials have helped man to show that he really exists by doing wonders in the world of electronics. One major development, made possible by the enormous advances in solid state technology, is the “digital revolution”. Circuits are designed to implement the basic digital logic functions fundamental to all digital systems. Digital electronics therefore comprises the design, manufacture and use of circuits for processing information in digital form (Simpson, 1978).
An information display is a way of providing information and it is also used as an object for promotion. It can be seen in a form of cardboard or tarpaulin at stores / shops, sign posts, placards, notice boards and intelligent display board. But the advent of new technologies has made the information in the form of an intelligent display board in the world of advertisements and promotions (Gupta, Shukla and Nagwekar, 2013). The ability to display a short message can be useful application to be available for any business. Intelligent display board system is perfect for this application. It can be used for both indoor and outdoor which makes it universal fit for any business or event. Intelligent display board system is very efficient and cost effective way to spread messages to thousands of people, without any personal contact or door to door sales. Light-Emitting Diode (LED) is a solid state light source with several attractive properties for display application. LED is a diode that gives off visible light when forward biased (Mehta and Mehta, 2014). It is chosen as the main component for displaying messages because, today LED is the most energy efficiency example and other useful systems.
The birth of signs and display can be said to be as old as the existence of man on the planet earth. From the beginning of the world, different types of displays have been in use, each mode to serve the purpose of invention efficiently. Signs are any kind of visual graphics created to display information to a particular audience (David, 2013). In 1389, King Richard II of England compelled landlords to erect signs outside their premises (Manton, 2008). In ancient Rome, signboards were usually made from stone or terracotta (Chris, 1995).
With the advancement in technology, man started carving woods and trees. The use of special dyes on wood as a means of identifying special locations. With the discovery of Bronze and iron, man started using the materials to display sign, thus the advent of metal sign boards were born, which are mostly used in developing countries. On semiconductors and vacuum tubes technology, light displays and sign boards were built to add more beauty in the old system and as a way to increase visibility. LED technology is frequently used in signs now instead of Neon signs, introduced in 1910 at the Paris Motor show (Bellu, 2006). The use of electronic is now becoming very important. It is extensively applied in almost our day to day activities.
Electronic display board system is also used for outdoor advertisement. Before, outdoor advertising was mainly characterized by the use of paper. Every bus stop and display board had a paper advertisement inside. The reason for this was simple paper was easy to use and extremely cheap. It had some draw backs as well. Before an image is actually on the street, it first has to be printed, pasted and placed. The journey from design to placement is quite long. Another disadvantages is the considerable amount waste generated by the use of paper. Finally, many people ignore a paper advertisement and there attention is drawn to the vibrant environment around them and not to a still image.
The extent of development in information dissemination has made it possible that the well known method of displaying information using sign posts, notice boards, etc has to be modified by using electronic digital display system. In today’s rapidly advancing technology market, most conventional digital display system are not being implemented using individual logic gates and integrated circuits (ICs) such have been used in the past instead, programmable devices such as microprocessor and microcontroller chips which contain the circuitry necessary to create logic functions are being used to implement digital systems.
1.2 PROJECT MOTIVATION
The motivation of this project comes from the change involved with information in respect to time this days now prompt the huge step of constructing a reprogrammable electronic display board to give information about anything at a particular moment to the targeted audience and need to know how electronic display board can at least provide some improved measures to the limitations of conventional display listed in the problem statements. The astonishing and spectacular display of an electronic display is as well a source of inspiration.
1.3 AIM OF THE PROJECT
To design and construct an electronic display board.
1.4 STATEMENT OF THE PROBLEM
Due to limitation of the sign board or local sign board which could not display clearly at night expect light shines on it, it is then necessary that electronic display system is employed to counter the limits of the local sign board. The information displayed on the local sign board is less attractive compared to the information displayed using intelligent display board system.
Thus, researchers are prompted to tirelessly hold up to these challenges by initiating some means of improving the above among which is the design and construction of an intelligent display board system.
1.5 OBJECTIVES OF THE STUDY
The main objective of this study is to design and construct an electronic display board system. Specifically this study will achieve the following:
i To display “office of the Vice Chancellor, Anambra State University, Uli, Anambra State, Nigeria.”
ii To use the intelligent display board system constructed as a sign post for federal polytechnic, Oko.
iii To have more knowledge on what electronic display board system is all about.
v To know the benefits of an electronic display board system.
v To design and realize the moving message display panel.
1.6 SIGNIFICANCE OF THE STUDY
In all field of human endeavour, electronic display board system plays very vital role, such as means of advertisement, means of communication, presentations, exhibitions, identification and direction. It is also used in giving warning or safety instructions, such as warning signs, traffic signs, exit signs or signs conveying rules and regulations. This project write-up will be a guide to future designing in a related work.
1.7 RESEARCH QUESTIONS
This research will try to provide answers to the following research questions:
1) What is electronic display board system?
2) How can electronic display board system be constructed?
3) What are the users of electronic display board system?
4) What are the benefits of electronic display board system?
CHAPTER TWO: The chapter one of this work has been displayed above. The complete chapter two of "design and construction of an electronic display board" is also available. Order full work to download. Chapter two of "design and construction of an electronic display board" consists of the literature review. In this chapter all the related work on "design and construction of an electronic display board" was reviewed.
CHAPTER THREE: The complete chapter three of "design and construction of an electronic display board" is available. Order full work to download. Chapter three of "design and construction of an electronic display board" 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 an electronic display board" is available. Order full work to download. Chapter four of "design and construction of an electronic display board" 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 a "design and construction of an electronic display board" is available. Order full work to download. Chapter five of "design and construction of an electronic display board" consist of conclusion, recommendation and references.
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