Hi guys....
There is the new video.From thus video we can learn how to make water level indicator circuit with indicate the level of the water in the tank of your house.
This circuit is designed where it indicates the water level in three levels i.e low medium to high medium respectively.
video link : https://youtu.be/B6uppv7VvdU
Circuit :
In this circuit i used BC548( npn transisitor) and 1k ohms resistors. And also buzzer is used which warns when the water tank is filled completely.
the base terminal of the transistor is connected to 1k resistor and then by using connecting wires the other end of the resistor is placed in the water tank as the sensor wire.
when the water level rises and get contact with the sensor wire, the signel is amplified by the transistor and the LED glows which is connected to the collecter terminal of the transistor.
For the complete explaination and video click here
my youtube channel: https://www.youtube.com/channel/UCZlXQNxS091TWfSdVHaCK7A?view_as=subscriber
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