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Water Level Indicator using BC548 Transistor (Mini Project)

@ssh Its Simple bro.. Here is the Modification.. It needs 9V Relay and IN4148 Diode...

Caution : While testing don't give 230 Voltage,. Test with a Multimeter : Keep the multimeter in connectivity mode, and keep the two wires in Common and NC.. Beep sound come in the multimeter, and once the take is full the beep sound should off... It means the Circuit works,..


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@Srini : so it wont need any IC's ??? 
does the motor switches ON when water becomes empty in the tank?? and when the water is full, the motor Switches OFF automatically?? 

Somesh - V+ Team Junior Moderator - Want for other subjects also? Arrow CLICK HERE


@ssh Ya bro,. it does not require IC..

and Motor will automatically On when the water reduces from the High Level.. So there is no need of Medium and Low Level too..

For this problem, I have 2 Solution for u bro,..

Solution 1 : Add a Switch to the Motor, So the user need to manually switch on the motor, and the motor will automatically Switch off when the water reaches high level.. Advantage : Prevent the water spill..

Solution 2 : If you need the motor should switch On automatically when Tank Empty and switch Off when full, you can do it via 8051 Micro controller.. Its my Mini Project..:-P 

Note : Replace the buzzer with relay.

Here is my project report.. If you are interested in doing it, i will post the tutorial.. but before that u need to be ready with a 8051 Programming Kit..

Attachment :

.pdf   Water - Mini Project.pdf (Size: 911.84 KB / Downloads: 285)

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