Hello friends this is my another video, this is a simple project which is very useful in every home, the main attribute of this project is that, it is very simple and anybody can make this with almost zero knowledge of electronics. I also installed this kit in my home and it is working very good from 2 years.Basically this is a water level Indicator, in this circuit I am using 4 NPN Transistors, so it can indicate total four level of Water, three levels are indicated by Led’s and fourth level which indicate full is indicated by a buzzer.”

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