Home / Materials and Metallurgical Engineering / DESIGN OF MICRO CONTROLLER PROGRAMMABLE DOT MATRIX INFORMATION DISPLAY SYSTEM

DESIGN OF MICRO CONTROLLER PROGRAMMABLE DOT MATRIX INFORMATION DISPLAY SYSTEM

 

Table Of Contents


Chapter ONE

1.1 Introduction
1.2 Background of study
1.3 Problem Statement
1.4 Objective of study
1.5 Limitation of study
1.6 Scope of study
1.7 Significance of study
1.8 Structure of the research
1.9 Definition of terms

Chapter TWO

2.1 Overview of Dot Matrix Display Systems
2.2 Historical Development of Dot Matrix Displays
2.3 Types of Dot Matrix Displays
2.4 Working Principles of Dot Matrix Displays
2.5 Applications of Dot Matrix Display Systems
2.6 Advantages and Disadvantages of Dot Matrix Displays
2.7 Emerging Trends in Dot Matrix Technology
2.8 Comparison with Other Display Systems
2.9 Innovations in Dot Matrix Display Design
2.10 Future Prospects of Dot Matrix Displays

Chapter THREE

3.1 Research Design
3.2 Sampling Techniques
3.3 Data Collection Methods
3.4 Data Analysis Procedures
3.5 Research Ethics
3.6 Reliability and Validity
3.7 Research Limitations
3.8 Research Assumptions

Chapter FOUR

4.1 Analysis of Survey Results
4.2 Interpretation of Data Findings
4.3 Comparison of Findings with Literature Review
4.4 Identification of Patterns and Trends
4.5 Discussion on Key Findings
4.6 Implications of the Findings
4.7 Recommendations for Future Research
4.8 Practical Applications of Research Results

Chapter FIVE

5.1 Summary of Findings
5.2 Conclusions Drawn from the Study
5.3 Contributions to Knowledge
5.4 Implications for Practice
5.5 Recommendations for Further Study
5.6 Closing Remarks

Thesis Abstract

Abstract

 A sequential digital display is an electronic system that is used to display information to the public. It is a device that contains light emitting diodes that conveys messages by a programmable controller or mechanical processes, regardless of size. Sequential digital display is fast gaining acceptance and application in different spheres of life. In this work, a sequential digital display system was designed and implemented. The components used include transformer, diodes, voltage regulator, resistors (fixed and variable types), capacitors, NE 555 timer, IC4017, IC7432, light emitting diodes and transistors. The aim of the project was to carry out a cost effective design, therefore, the components of the design were readily available and relatively cheap. The light emitting diodes displayed a message written as Welcome to NOUN Ado-Ekiti study center. The project was tested and commissioned and found to meet specified design requirements Keywords—Integrated Circuit, Light Emitting Diodes, Sequential Digital Display, Transistor

Thesis Overview

INTRODUCTION

 In this modern time, solid state 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 compasses the design, manufacture, and use of circuits for processing information in digital form [1]. Since the early 1990s schools have been on the frontline of the Information Communication Technology (ICT) revolution. 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 electronic information board. In the previous years, the means by which adverts, information, etc., are made has been through the method of the digital display board. But the use of static mode of sign display such as banners, flyers etc are becoming boring and unattractive. The new technologies of the digital age have made possible the use of programmable and reprogrammable electronics display to provide solutions to this kind of problem. This piece of 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. Actually there are different areas of application of this project, numerous to mention [2]. A dot matrix display is an array of light emitting diodes (LEDs) arranged in a 7 X 7 matrix that is used to display a programmed data/information.

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