sensor to detect water

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Ocean water is salty and conducts a lot of electricity. My tap water conducts a little electricity. Distilled (pure) water does not conduct.
 
tq to all members.. actually my project is development capacitive sensor to detect existing liquid, for example detect oil, detect water, detect sea. When sensor detect liquid, it will give data output at LCD
 
hasan_tech said:
actually my project is development capacitive sensor to detect existing liquid, for example detect oil, detect water, detect sea.
Click to expand...
Which is not what you said in your first post:
hasan_tech said:
a sensor to detect type of water
Click to expand...

hasan_tech said:
When sensor detect liquid, it will give data output at LCD
Click to expand...
What data will it give to the LCD?

Have a look here for a bit of discussion on oil/water detection using a capacitive probe.
https://www.electro-tech-online.com...ill-run-to-an-led-display.107910/#post-883946

https://www.electro-tech-online.com/threads/detecting-moisture-in-soil.147435/#post-1254867

JimB
 
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