Design And Construction Of A Water Overflow Indicator Circuit
Overview
ABSTRACT
This Simple circuit can monitor overflow of water from the Overhead tank. The sensor placed close to the lid of the overhead tank always monitor the presence of water coming through the lid and gives a music tone when it senses the over flow. ROM IC UM66 is used to generate melody tone. Sensor can be a small piece of common PCB with line tracks. Points A and B are connected to two adjacent tracks using thin plastic wire. Normally T1 is not conducting and no current flows through it. This keeps T2 also non conducting. When water falls on the sensor, electrical conductivity occurs between points A and B though water. This gives base bias to T1 and it conducts to charge C1. When the voltage level in C1 increases, T2 gets base bias and conducts. It gives power to the melody generator IC UM66. Since UM 66 requires 3 volts, Zener diode ZD is used to regulate the supply of UM 66 to 3 volts. Output pulses from UM 66 are amplified by T3 and the Speaker gives Music tone. The music tone continues till the overflow water ceases.
TABLE OF CONTENTS
COVER PAGE
TITLE PAGE
APPROVAL PAGE
DEDICATION
ACKNOWELDGEMENT
ABSTRACT
CHAPTER ONE
1.0 INTRODUCTION
1.1 BACKGROUND OF THE PROJECT
- PURPOSE OF THE PROJECT
- AIM OF THE PROJECT
- OBJECTIVE OF THE PROJECT
- PURPOSE OF THE PROJECT
- LIMITATION OF THE PROJECT
- ADVANTAGES OF THE PROJECT
- PROBLEM OF THE PROJECT
- APPLICATION OF THE PROJECT
- RESEARCH QUESTION
- PROJECT ORGANISATION
CHAPTER TWO
LITERATURE REVIEW
- OVERVIEW OF THE STUDY
- REVIEW OF THE RELATED STUDY
CHAPTER THREE
3.0 CONSTRUCTION METHODOLOGY
3.1 BASIC OF THE SYSTEM
3.2 BLOCK DIAGRAM OF THE SYSTEM
3.3 SYSTEM OPERATION
3.4 CIRCUIT DIAGRAM
3.5 CIRCUIT DESCRIPTION
3.6 DESCRIPTION OF COMPONENTS USED
3.7 POWER SUPPLY UNIT
CHAPTER FOUR
4.0 TESTING AND RESULTS
- CONSTRUCTION PROCEDURE AND TESTING
- INSTALLATION OF THE COMPLET DESIGN
- ASSEMBLING OF SECTIONS
- TESTING OF SYSTEM OPERATION
- COST ANALYSIS
CHAPTER FIVE
- CONCLUSION
- RECOMMENDATION
- REFERENCES
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Chapter Two: Literature Review
2.0 INTRODUCTION:
This chapter provides the background and context of the research problems, reviews the existing literature on the Design And Construction Of A Water Overflow Indicator Circuit, and acknowledges the contributions of scholars who have previously conducted similar research [REV64727] …