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Pot plant water tester

Pot plant water tester

This simple device checks if their is water in a pot plant. You stick the two probes(paperclips)into the pot plant and if the LED lights, it means there is water in the pot plant.
You need to adjust the 47k potentiometer to set the level at which the LED goes on.

Submitted by:
Betty Bone
[email protected]

Source: www.electronic-circuits-diagrams.com

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