Water pump control using 555

412

07:09:12

Water pump controller how it works
On left side of circuit there are three SPST which wich is act as conductive type level sensor.
From left first sensor is for high level middle for middle level and right one is for low level when tank is Full all sensors are connected that means all SPST switch are close when tank level goes below high level sensor first sensor means SPST switch open 
When water level goes below high pump started 

published 4 years ago

almaarry27

4 years ago

Is there a blueprint for a gold detector?

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