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Topic: Water tank monitoring and pump control mechanism.  (Read 669 times) previous topic - next topic


Feb 23, 2019, 01:48 pm Last Edit: Feb 23, 2019, 01:51 pm by niladrislg
I am prototyping a water tank monitoring  and pump control mechanism. but there is a problem i am facing is how to read the transistor status with arduino .

I am using BC547 transistors for sensing water level of my water tank. It reads out perfectly with LED. but i want to read the status with my Arduino Uno board.
Attaching The schematic of electronic sensing  module . Please help me out with arduino codes.


Can't help at all while you are reading -( negative) voltages. Reverse that and perhaps you have a chance.


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