Water level indicator cum controller

The present concept implements controlling of pump which pumps water from the sump (underground tank) to the overhead tank, using 8951 microcontroller.

The control panel, i.e. the main control unit of the system which consists of the primary control switches, pump indicator, siren and level indicators. The visual example of how switches And the indicators can be placed as shown the figure below.

Front view of the model
Front view of the model

In the figure shown above there are total of nine LEDs, four of which indicates the water level in the tank, another four indicates the water level in the sump and one LED indicates whether the pump is ON/OFF. It also consists of three switches.

  1. Switch 1 is the main power switch which is used to activate the system.
  2. Switch 2 is used to select whether to operate the pump in AUTO or MANUAL mode.
  3. Switch 3 comes to picture only when the system is operated in MANUAL mode. It controls the direct activation of the pump.

Description :

This system is built around an 8951 microcontroller and the circuit diagram is as given below.

Circuit diagram of Water level indicator cum controller
Circuit diagram of Water level indicator cum controller

As you can see in the above diagram, port 0 is exclusively used as an input port which takes the information regarding the water level in the sump as well as in the overhead tank.

Port 1 is used as output port which is connected to the indicator that indicates the water level in both the tanks.

Port 2 is used as in/out port, it takes the input from switch 2 and switch 3 and gives the output which is connected to pump indicator, siren and the relay which controls the switching of the pump.

Working of the system:

There are two modes of working for the system

  1. Manual mode
  2. Auto mode

Which is controlled by switch 2 (refer control panel diagram)

Manual mode:

When the system is active and in manual mode, it only indicates the water levels in the tanks and it doesn’t control any working of the pump. To activate the pump in manual mode switch 3 is used.

In this mode the operator should manually control the working of the pump. As in case  if the tank is full, operator should switch of the pump which is not the case when compared to auto mode.

Auto mode:

When the system is active and in auto mode, it only indicates the water levels in the tanks and it controls the working of the pump.

Editorial Team
Editorial Team

We are a group of young techies trying to provide the best study material for all Electronic and Computer science students. We are publishing Microcontroller projects, Basic Electronics, Digital Electronics, Computer projects and also c/c++, java programs.

223 thoughts on “Water level indicator cum controller

  1. Please give me program & hex code for water level indicator cum controller using 8951 microcontroller

  2. Hey..!! I am interested in this project. Can u send me a source code(Hex code) for this project?)

  3. this is better than other one can u pls send me the complete circuit diagram
    and the source code. thankyou

  4. one more in the que,i have made the project but its not working, it will be great if u can send the details along with the source code or any means through which I can get help

  5. Hi…Iam interested to do this project.pls forward the circuit descpription indetail
    n the hex file to my email

  6. I am working on a “Water Level Controller” project. I need to know that which type of motor is required and of how much volt? And for water level sensing , which sensor i should use?

  7. sir i’m btech final year student. my project is water level indicater.
    please help me to generate the source code for this project….

  8. sir i’m btech final year student. my project is water level indicater.
    please help me to generate the source code for this project…

  9. Very nice project.I’m looking forward to make the project.
    Can u pls mail me the source code?

  10. sir i want to do project based on this so please giv me the hex code of tis
    water level controller

  11. Those resistors inside Sump and Tank would they be made to enter water inside. Please reply and give details.

  12. Sir,
    this is P.Brahma Teja please send the complete program code n how to dup it into controller and provide me relavant information about this project with neat block digram & description please sir its very urgent…..

  13. hi “iam looking for a technology where i can activate a moter using my mobile using SMS and turn off using SMS or i will use the water level indicator ”
    is the any way anyone can provide me a soluton for this
    eg:iam in chennai & my agriculture land is in coimbatore,iam willing to have maintain my aggriculture sitting from my office

  14. Please give me program & hex code for water level indicator cum controller using 8951 microcontroller
    thanks

  15. hi sir have goan through the comments about water level controller cum indicator finding to understand the code programe . have got the ic 89c51 from market and constucted the ckt provided above but unable to understand the operation does it require programing and wat about power supply does it require 3 power supply of 5v each and for siren speaker is ok

  16. Hello, I am New.
    Thank you for your forum, I will do my best to participate here but know that I’m shy.

Leave a Reply

Your email address will not be published. Required fields are marked *

Get the latest updates on your inbox

Be the first to receive the latest updates from Codesdoc by signing up to our email subscription.

    StudentProjects.in