The sensing is done by using a set of nine probes which are placed at nine different levels on the tank. Water level indicator is used to show level of water in an over head tank, this keeps the user informed about the water level at all time avoids the situation of water running out when it is most needed. Simple water level indicator alarm circuit diagram circuit digest. Here we have created 4 levels low, medium, high and full, we can create alarms for more levels. The operation of water level controller works upon the fact that water conducts electricity due to the. As the water level rises or falls, different circuits in the controller send different signals. The elements which are used in this circuit are cmos input compatible, 7 channel ic which is a darlington array. The sensing is done by using a set of nine probes which are placed at nine different levels on the tank walls. Pdf the drinking water crisis in asia is reaching alarming proportions.
The water level indicator employs a simple mechanism to detect and indicate the water level in an overhead tank or any other water container. A water level alarm using ne555 timer is shown in this circuit. Pdf design of capacitive sensor for water level measurement. Pdf water level detector using 8051 microcontroller. Water level indicator project abstract free download as word doc. Here we are using lm324 sensor is made with a metal plate mounted on the. How to make a simple water level indicator alarm at home. This post should help you understand all of the uses, benefits, advantages, and disadvantages of automatic water level indicators. If you are searching for water level indicator advantages, disadvantages, applications, uses, or benefits, this post should help. Page 1 a mini project report on automatic water level indicator submitted to t john page 2 preface this project provides. Automatic water level indicator and controller can provide a solution to this problem. It indicates different levels of water and raise an alarm.
A capacitive sensor for water level measurement had been developed and tested. Water level indicator project water level indicator. But everyone who has a water tank above knows the kind of problems. Download water level indicator advantages and disadvantages pdf popular search queries used to find this post include uses. Automatic water level indicator and controller can provide a solution. The proposed water level sensor was tested in real time application by using it to control the level of water in a tank fed by a single. This simple transistor based water level indicator circuit is very useful to indicate the water levels in a tank. The principle of this circuit is very easy to understand and it is very practical. This is a tutorial to build a simple water level indicator alarm circuit using transistors. Introduction today i am going to talk about a very useful project that i had taken up. Nowadays everybody has overhead tank at their homes. The sensor unit is responsible for sensing the level of water and transfer the current position of water to the microprocessor.
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