Construction Of Water Level Indicator With Microprocessor Using Seven Segment Display

Project and Seminar Material For Electrical Electronics Engineering EEE

Project and Seminar Material For Electrical Electronics Engineering EEE


Abstract


Knowing the level of water in a tank or reservoir is very vital especially in cases where failure in water supply can be a very disadvantage. This therefore necessitates the construction of electronic device which can detect the level of water in a tank and display related information.

The project water level indicator using microprocessor and a segment display is built around a microprocessor chip (INTEL 8051) and other sensory and display devices incorporated.

The display in the project is in alphanumeric example L1, L2, L3, and FL. The chapter one of this project is an introduction to water level indicator, the chapter two is a literature review, the chapter three deals on project construction methodology while chapter four explain the result analysis.

Finally the chapter five is the conclusion and recommendation.


Table Of Contents


Preliminary Page(s)

  • Title page
  • Certification
  • Dedication
  • Acknowledgment
  • Abstract
  • Table of contents

Chapter One

1.0 Introduction

  • 1.1 Background of the project
  • 1.2 Objectives of the project
  • 1.3 Importance of the project
  • 1.4 Applications of the project

Chapter Two

2.0 Literature Review

  • 2.1 Seven segment display
  • 2.2 Microcontroller

Chapter Three

3.0 Construction of the Project

  • 3.1 Components used
  • 3.2 Components description
  • 3.2.0 Transistor
  • 3.2.1 Seven segment display
  • 3.2.2 Capacitor
  • 3.2.3 Electrolytic capacitor
  • 3.2.4 Non Polarized capacitors
  • 3.2.5 Resistor
  • 3.2.6 Crystal oscillator
  • 3.3 Early circuit design
  • 3.4. Circuit description
  • 3.5 Block diagram of the project
  • 3.6 Circuit diagram of the project

Chapter Four

4.0 Result and Analysis

  • 4.1 Analysis of the results obtained
  • 4.2 Precautions taken during component laying
  • 4.3 Difficulties encountered

Chapter Five

5.0 Conclusion and Recommendation

  • 5.1 Conclusion
  • 5.2 Recommendation
  • References

Chapter One


1.0 Introduction

1.1 Background Of The Project

There are two traditional methods for finding the level of water in a tank:

  1. Tapping down the side of the tank until the sound suddenly changes
  2. Removing the tank cover and dipping in a measuring stick.

The first method is unreliable, while the second method can be awkward and time-consuming. After all, who wants to climb to the top of a tank each time you want to find out how much water is inside it? For a long-life water level sensor, Bob Barnes of RCS Radio suggests that the probe be made out of 19mm plastic conduit fitted with stainless-steel radiator or fuel pump hose-clamps for the sensors

Suitably sleeved nichrome or stainless steel wire (“up the spout”) can then be used to make the connections between the clamps and the resistors. You will need to use Multicore Arax cored solder or Litton Arax cored solder (available from Mitre-10) when soldering nichrome or stainless steel wire (i.e. a corrosive flux is needed).


1.2 Objectives Of The Project

The main objective of this project is to have a device which displays information based on the level of water in a tank or reservoir. It also ensure a stress free situation in the sense that the user can always be relaxed and just look at a display to know the level of water in the tank.

Other apparatus can be attached to the circuit so that it can turn ON a water pump when the tank is empty and turn it OFF when the tank is filled. With this apparatus on ground, one can be sure of regular water supply from the water tank.


1.3 Importance Of The Project

The project, water level indicator is of vast importance with some of them listed below;

  1. It eliminates the stress of climbing a water tank just to determine its water level
  2. It ensures a constant water supply
  3. It can also be so constructed so that one don’t have to always go and turn ON or OFF a water pump
  4. It also indicates the level of water in the tank at all time via the display device

1.4 Applications Of The Project

The project can be used in homes, offices and industries. Wherever it is used, its primary aim is to check the level of water in a tank outside and display information on a digital read out. At homes, the project can be coupled to our water tanks. Here, three probes dipped inside the water determine the level of water and relay information to a microcontroller chip inside the project box.

With this information, output signal is sent via the output ports to a 7-segment display device. The information on this display tells the house owner the level of water in the tank.

The project can also be used in industries where it can be connected to a big reservoir tank from which water is supplied to areas where they are needed. Here, it can be further automated so that a water pump is turned ON whenever the water level is low. With this project, the industry can hardly go short of water as water is continually pumped whenever the level is low.


Chapter Five


5.0 Conclusion And Recommendation

5.1 Conclusion

This project has provided us with a device which displays information based on the level of water in a given reservoir or tank. The concept of water level indicator with a display unit is an automatic technology for determining the level of water at every point in time. It thoroughly eradicates the traditional method of climbing a water tank to determine its level. It also ensures a stress free situation since the user can always be relaxed and visualize the level of water in the tank. Constant water supply is assured provided the level of water in the tank is indicated at all time through the display unit and water can be pumped immediately the display indicates EMPTY which shows shortage of water.


5.2 Recommendation

It is expected that every public organization will embrace the water level indicator technology advancement as we look forward to the dynamic world of technology. It is also important to recommend this technology for most firms that are always in need of water like; hospital, food processing unit, banks, schools etc. for the singular fact that water is essential to every living being (human), it is very necessary to implement this technology in general.


Construction Of Water Level Indicator With Microprocessor Using Seven Segment Display


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