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07-09-2012, 05:26 PM
Post: #1
water level indicator with alarm project report pdf
i m S.Y.B.Tech student. i want a report on water level alarm detector using 555 timer
08-09-2012, 09:38 PM
Post: #2
RE: water level indicator with alarm project report pdf
sir i want detail project report on water level indicator using ic555
02-10-2012, 10:49 AM
Post: #3
RE: water level indicator with alarm project report pdf
can i get the theory containt of water level indicator using ic 555
20-01-2013, 04:51 PM
Post: #4
RE: water level indicator with alarm project report pdf
PLZZ HELP ME TO PEOVIDE A PDF FILE FOR THE REPORT
20-01-2013, 07:12 PM
Post: #5
Tongue RE: water level indicator with alarm project report pdf
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i just want the water level indicator project report pdf file and ciruit

WATER LEVEL INDICATOR PDF FILE so that i complete my project
21-01-2013, 10:41 AM
Post: #6
RE: water level indicator with alarm project report pdf
to get information about the topic "water level indicator with alarm"full report ppt and related topic refer the link bellow
http://seminarprojectsThread-water-level-indicator-with-alarm

http://seminarprojectsThread-water-level-indicator-pic16f84a-buzzer-7-segment-display
26-01-2013, 04:28 PM
Post: #7
RE: water level indicator with alarm project report pdf
:angel:water level indicator with alarm project report pdf
28-01-2013, 11:26 AM
Post: #8
RE: water level indicator with alarm project report pdf
to get information about the topic "water level indicator with alarm" related topic refer the link bellow

http://seminarprojectsattachment.php?aid=16682
05-06-2013, 02:47 PM
Post: #9
RE: water level indicator with alarm project report pdf
Water Level Indicator with Alarm


.pdf  Water Level.pdf (Size: 1.94 MB / Downloads: 309)

Introduction

Today I am going to talk about a very useful project that I had taken up. It is called the Water Level Indicator. Nowadays everybody has overhead tank at their homes.
But everyone who has a water tank above knows the kind of problems that they face. Firstly there is no system to track the water in the tank. Then there come a
secondary problem that is when their water pump is started they have no idea when it gets filled up and sometimes there are situation where the pump keeps on
pumping water to the tank and the water starts spilling out from the tank. There is wastage of energy as well as wastage of water .

Later History

This project that i had taken up is the result of long hours of research of work at the Internet as well as long hours of thinking. I had made various versions of the projects
earlier but at last i came up with this final product. I bet this has been tested and i can now firmly say that the model would work flawlessly without any complains for
years. I am saying this as i have installed this models to various houses in my neighborhood and all are working fine without any maintenance. And indeed this model is
admired by all who uses it.

The Situation

The house where I live in has an overhead tank which is about 30 feet from the ground level. I was getting bored going up the rooftop to check whether the tank has filled
or the water level was below to start the pump. I had to do this again and again. Then I sought for a solution. I always used to think of the possibilities of how can this
problem be tackled in an electronic way. After years of research and by trial and error, I found one and wanted to put whatever I have done out here so that it may be
helpful to someone who has a overhead water tank at their homes.

The Working Principle

Basically the unit is made up of various sensors acting as a switch. Let me explain in a simple way. What happens is when you turn on you water pump, the water starts
to get pumped from your underground reservoir or from your underground water supply from the pipes to your water tank. In the tank there is a set of sensors( to be
precise there are 7 sensors), in the water tank. Just think them as a switch, as the work of the sensor will be to connect a circuit. I will explain in details in my
instructables. So the water starts to get filled in the tank and when the water level in the tank starts to rise up, what happens is that the sensors that is installed in the tank
starts to get activated one by one indicating the water level in the tank. And finally when it reaches to its top most sensor, there will be a visual display as well as a sound
from the unit indicating that the water has filled in the tank and one can be alerted that the tank has been filled up and the water pump has to be switched off saving the
electricity bill as well as over flow of water from the tank.

The Circuit

It has numerous transistors acting as a switch and the switch gets activated when the sensors tell them to.
The heart of the circuit is the transistors BC 547 . There are total7 transistors in the circuit and each one will be sensing the level of water present in the overhead water
tank. There is one extra power LED without a transistor and that is because this Red LED will be telling us two things. Firstly when you power the unit it will be monitoring
the power present in the unit and secondly it is also the indicator telling you that there is no water at all present in the tank. As because the water level is below the No. 1
(as shown in the circuit) sensor, no LED's will be lighting up, but only for the one Red LED. Therefore when you switch on your unit if you see only one Red LED lighting
up then you know that the is no water present in the tank and therefore you should make you water pump on.

The Buzzer Part

Here you can add any of the normal buzzers that are readily available in the market and if it is not then you can make yourself with a simple 555 IC. I am giving a small
circuit diagram, it is really simple to make and there are minimum parts. It is a simple audio oscillator. I have also provide a circuit diagram here but if you are able to
manage a buzzer then no need to assemble this circuit.

The Power Supply

This section contains a transformer converting the mains voltage 220V bring down to 9V. There is a bridge rectifier containing 4 diodes and making the Alternating current
to Direct Current. After the filtering the voltage is then directly fed to the voltage regulator (7805) with a filtering capacitor. From the regulator IC the output voltage is then
again filtered with a capacitor and is fed to the circuit. This comprises the power supply of the device.

Putting the circuit in a box

Now time to put the compiled circuit in a small box. Here i chose a Junction box that are used in electrical wiring. It was a perfect box for this project.
Now the tricky part is making holes in the plastic junction box so that LED can easily slip through the holes, also the spacing between the LED's should be proportionate.
First take the box and draw the outline in the face of the box. First for the switch you should make a marking at the bottom right hand side. Then mark the points for the
LED's. As told earlier it should be proportionate. Now unbend a paper clip and heat it with a soldering iron and make holes to the marked points as shown in the figure.

Installing the Device

The final part is installing the device to the tank and make it working.
First start with installing the water sensor in the overhead tank. As in figure this is the tank that we are going to install the sensor. Just survey the tank from every side to
see that you can fit the sensing part. Now take the sensor rod that you have prepared and dip into the tank so that it just touches the bottom. Now fix the sensor into the
water tank by screwing a screw directly to the water tank so that the water sensor rod doesn't move. The sensor rod should not move. That finishes the part of installing
the sensor rod to the water tank. Now to the device that we are going to install.
Now for installation of the device you should find a suitable place for easy view of the LED lights. It should also be installed in such a way that it should be out of reach of
the children. The best place for installing the device would be in the kitchen of a house. This is because while working in a kitchen you may want to turn on the water
pump and just cooking you would be able to get the updates from the tank on how much the water has filled. Just drill two holes in the walls and install it using a L hook.
Screw the two L hooks to the device and fix it to the wall. It should be firmly fixed. Then take the A/C 220V feed from any socket and give the power to the board.
26-09-2013, 02:32 PM
Post: #10
RE: water level indicator with alarm project report pdf
sir send me the project report of water level indicator with alarm project report
27-09-2013, 09:54 AM
Post: #11
RE: water level indicator with alarm project report pdf
To get full information or details of water level indicator with alarm project report please have a look on the pages

http://seminarprojectsThread-water-level-indicator-with-alarm-project-report-pdf?page=2

http://seminarprojectsThread-water-level-indicator-with-alarm

http://seminarprojectsThread-water-level-indicator-with-buzzer-circuit-using-transistor-report

http://seminarprojectsThread-water-level-indicator-full-report

if you again feel trouble on water level indicator with alarm project report please reply in that page and ask specific fields in water level indicator with alarm project report
04-10-2015, 01:52 AM
Post: #12
RE: water level indicator with alarm project report pdf
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10-04-2016, 07:49 AM
Post: #13
RE: water level indicator with alarm project report pdf
SleepyHeart
12-04-2016, 11:35 AM
Post: #14
RE: water level indicator with alarm project report pdf
To get information about the topic “water level indicator with alarm” full report ppt and related topic refer the link below


http://seminarprojectsThread-water-level-indicator-with-alarm
19-07-2016, 04:31 PM
Post: #15
RE: water level indicator with alarm project report pdf
The Water Level Indicator employs a simple mechanism to detect and indicate the water level in an overhead tank or any other water container.

The sensing is done by using a set of nine probes which are placed at nine different levels on the tank walls (with probe 9 to probe 1 placed in increasing order of height, common probe (i.e. a supply carrying probe) is placed at the base of the tank). The level 8 represents the “tank full” condition while level 0 represents the “tank empty” condition.
When the water-level is below the minimum detectable level (MDL), the seven segment display is arranged to show the digit 0, indicating that the tank is empty, when the water reaches level1 (but is below level2) the connection between the probes gets completed (through the conducting medium – water) and the base voltage of transistor increases.

This causes the base-emitter junction of transistor to get forward biased, this switches transistor from cut-off to conduction mode thus PIN (B7) of microcontroller is pulled to ground hence, the corresponding digit displayed by the seven segment display is 1.

The similar mechanism applies to the detection of all the other levels. When the tank is full, all input pins of microcontroller become low. This causes the display to show 8 and also in this case a buzzer sound is given, thereby indicating a “tank full” condition.

Most water level indicators are equipped to indicate and detect only a single level. The Water Level Indicator implemented here can indicate up to nine such levels and the microcontroller displays the level number on a seven segment display.

So, the circuit not only capable of cautioning a person that the water tank has been filled up to certain level, but also indicates that the water level has fallen below the minimum detectable level. This circuit is important in appliances such as the water cooler where there is a danger of motor-burnout when there is no water in the radiator used up also it can be used in fuel level indication.

Recommened Reading: Water Level Alarm Using 555 Timer

In this project we show the water level indicator using eight transistors which conducts as level rises, a buzzer is also added which will automatically start as the water level becomes full, auto buzzer start with the help of microcontroller. With the help of this project we not only show the level of water on seven segment display but also indicate the water full condition using a buzzer.

Water Level Indicator Project Circuit Features:

Easy installation.
Low maintenance.
Compact elegant design.
The Automatic water level controller ensures no overflows or dry running of pump there by saves electricity and water.
Avoid seepage of roofs and walls due to overflowing tanks.
Fully automatic, saves man power.
Consume very little energy, ideal for continuous operation.
Automatic water level controller provides you the flexibility to decide for yourself the water levels for operations of pump set.
Shows clear indication of water levels in the overhead tank.

How to Design Water Level Indicator Project using AVR Microcontroller?

A constant 5v power supply is given to the microcontroller and rest of the circuit from a battery.
The tank has 9 conductive type sensors (other types of sensors have been mentioned earlier but in our project only conductive type are used) embedded into it and 8 wires of sensors out of 9 are connected to transistors and the 9th is connected to 5v+ supply.
The use of transistor is it acts as inverter (i.e. in on state gives low voltage at output and in non conducting state gives high voltage at its output), all transistors outputs are connected to PORTB of microcontroller.
Seven segment display is connected to PORTD. It is connected in common cathode fashion.
The Output for the 7th level is not only shown on seven segment display but also indicated with a discontinuous buzzer sound.
Output for the 8th level (i.e. tank full condition) is not only shown in seven segment display but also indicated with a continuous buzzer sound.
How Water Level Indicator Project Circuit Works?

The operation of this project is very simple and can be understood easily. In our project “water level indicator” there are 3 main conditions:

There is no water available in the source tank.
Intermediate level i.e. either of 3rd to 7th level.
There is ample amount of water available in the source tank.
So let us discuss more about these 3 conditions

CONDITION 1: Water not available

When the tank is empty there is no conductive path between any of the 8 indicating probes and the common probe (which is connected to 5v+ supply) so the transistor base emitter region will not have sufficient biasing voltage hence it remains in cut off region and the output across its collector will be Vc approximately 4.2v.

As in this case the microcontroller is used in the active low region (which means it considers 0-2 volts for HIGH and 3-5 volts for LOW) now the output of transistor which is 4.2v approximately will be considered as LOW by the microcontroller and hence the default value given by microcontroller to the seven segment display is 0 which indicates as the tank is empty.

CONDITION 2: Intermediate levels

Now as the water starts filling in the tank a conductive path is established between the sensing probes and the common probe and the corresponding transistors get sufficient biasing at their base, they starts conducting and now the outputs will be Vce (i.e. 1.2v-1.8v) approximately which is given to microcontroller.

Here the microcontroller is programmed as a priority encoder which detects the highest priority input and displays corresponding water level in the seven segment display.

In this project while the water level reaches the 7th level i.e. last but one level along with display in seven segment a discontinuous buzzer is activated which warns user that tank is going to be full soon.

CONDITION 3: Water full

When the tank becomes full, the top level probe gets the conductive path through water and the corresponding transistor gets into conduction whose output given to microcontroller with this input microcontroller not only displays the level in seven segment display but also activates the continuous buzzer by which user can understand that tank is full and can switch off the motor and save water.

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27-10-2016, 03:25 PM
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