How a water level indictor works by Milan Bera

A WATER LEVEL INDICATOR  

                                 
it is a small demonstration of  (WLI) water level indicter  in this small demonstration we have tried to show that how we can control the wastage of water by the overflow of water from a tank

                                                        Imagine that, at the roof of your house there is a tank of capacity approximately 50 liter. When you switch ON your water motor to fill water in tank, after some time the tank crosses it’s limit and the water goes on overflowing, it causes wastage of water.

                                                          So, in this case we have made an instrument that may help you in this type of problem. You have to just drop the instrument into the water and the instrument will be connected with a light indicator board with wires which indicates 5 lights. When your first 10 liter of the tank will get filled then the first light will start blowing and this process goes on up to the 5^th light in every 10 liter on the board. The diagram is given below……. 

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