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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
boneb@mweb.co.za

If there are any problems please contact webmaster@electronic-circuits-diagrams.com

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SLIPKNOT BAND Samsung S5 S6 S7 S8 S9 S10 S10e Edge Plus Case
$15.9 SLIPKNOT BAND Samsung S5 S6 S7 S8 S9 S10 S10e Edge Plus Case  picture
SLIPKNOT BAND Samsung S5 S6 S7 S8 S9 S10 S10e Edge Plus Case
$15.9 SLIPKNOT BAND Samsung S5 S6 S7 S8 S9 S10 S10e Edge Plus Case  picture
SLIPKNOT BAND Samsung S5 S6 S7 S8 S9 S10 S10e Edge Plus Case
$15.9 SLIPKNOT BAND Samsung S5 S6 S7 S8 S9 S10 S10e Edge Plus Case  picture
SLIPKNOT BAND Samsung S5 S6 S7 S8 S9 S10 S10e Edge Plus Case
$15.9 SLIPKNOT BAND Samsung S5 S6 S7 S8 S9 S10 S10e Edge Plus Case  picture
SLIPKNOT BAND Samsung S5 S6 S7 S8 S9 S10 S10e Edge Plus Case
$15.9 SLIPKNOT BAND Samsung S5 S6 S7 S8 S9 S10 S10e Edge Plus Case  picture
  • Why Marc

    Using a PNP would have make more sense…