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TITLE PAGE
BY
---
--/H2013/01430
DEPARTMENT OF ---
INSTITUTE OF ---
DECEMBER,2019
APPROVAL PAGE
This is to certify that the research work, "design and construction of a timer from old quartz clock" by ---, Reg. No. --/H2007/01430 submitted in partial fulfillment of the requirement award of a Higher National Diploma on --- has been approved.
By
Engr. --- Engr. ---
Supervisor Head of Department.
Signature………………. Signature……………….
……………………………….
Engr. ---
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 work is on low-cost timer from the circuit of an old quartz clock. This timer has time duration of up to two hours, which is sufficient for most day-to-day activities.
The quartz clock circuit has two outputs that drive a coil. One of them (which produces a pulse every two seconds) is used to drive counter CD4040, which can count up to 4096. The time duration as per your requirement can be set using DIP switches. Each switch has its own set time duration. The desired time is set with Q5 to Q12 outputs via DIP switches 1 through 8 (refer the table). That is, if you want to set the time duration to 68 minutes, shift switch 8 to ‘on’ position. This will make Q12 high. If two switches are ‘on,’ the time duration set will be equal to the sum of individual time durations. You can set maximum time duration of 136 minutes (which is the sum of the outputs of all the switches) by making all the switches ‘on.’ The outputs of the counter pass through diodes D5 through D12.
TABLE OF CONTENTS
TITLE PAGE
APPROVAL PAGE
DEDICATION
ACKNOWLEDGEMENT
ABSTRACT
TABLE OF CONTENT
CHAPTER ONE
1.0 INTRODUCTION
1.1 BACKGROUND OF THE PROJECT
1.2 AIM OF THE PROJECT
1.3 OBJECTIVE OF THE PROJECT
1.4 SIGNIFICANCE OF THE PROJECT
1.5 PURPOSE OF THE PROJECT
1.6 APPLICATION OF THE PROJECT
1.7 ADVANTAGES OF THE PROJECT
1.8 PROBLEM/LIMITATION OF THE PROJECT
1.9 PROJECT ORGANISATION
CHAPTER TWO
2.0 LITERATURE REVIEW
2.1 REVIEW OF RELATED STUDIES
2.2 REVIEW OF RELATED TERMS
2.3 REVIEW OF CLOCK AND OLD QUARTZ CLOCK
CHAPTER THREE
3.0 CONSTRUCTION METHODOLOGY
3.1 SYSTEM CIRCUIT DIAGRAM
3.2 SYSTEM OPERATION
3.3 CIRCUIT DESCRIPTION
3.4 SYSTEM CIRCUIT DIAGRAM
3.5 CIRCUIT OPERATION
3.6 IMPORTANCE AND FUNCTION OF THE MAJOR COMPONENTS USED IN THIS CIRCUIT
3.7 POWER SUPPLY UNIT
CHAPTER FOUR
RESULT ANALYSIS
4.0 CONSTRUCTION PROCEDURE AND TESTING
4.1 CASING AND PACKAGING
4.2 ASSEMBLING OF SECTIONS
4.3 TESTING
4.4.1 PRE-IMPLEMENTATION TESTING
4.4.2 POST-IMPLEMENTATION TESTING
4.5 RESULT
4.6 COST ANALYSIS
CHAPTER FIVE
5.0 CONCLUSION
5.1 RECOMMENDATION
5.2 REFERENCES
CHAPTER ONE: The complete chapter one of this work is available. Order full work to download. Chapter one of this work is on the introduction to this study. In this chapter, the background, significance, scope, objective, the need (benefit), limitation and problem, advantages of this work was discussed.
CHAPTER TWO: The complete chapter two of “design and construction of a timer from old quartz clock” is available. Order full work to download. Chapter two of “design and construction of a timer from old quartz clock” consists of the literature review. In this chapter all the related work on “design and construction of a timer from old quartz clock” was reviewed.
CHAPTER THREE: The complete chapter three of “design and construction of a timer from old quartz clock” is available. Order full work to download. Chapter three of “design and construction of a timer from old quartz clock” 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 a timer from old quartz clock” is available. Order full work to download. Chapter four of “design and construction of a timer from old quartz clock” 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 a timer from old quartz clock” is available. Order full work to download. Chapter five of “design and construction of a timer from old quartz clock” consist of conclusion, recommendation and references.
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