Automatic plant watering device

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2 Responses

  1. JaapP says:

    Hello
    Thanks for sharing this project!
    I have build this using an arduino ,(testing with uno will use nano later) and relay with optocoupler.
    But in my case it works the other way around.
    To get it working I had to chanche by waterlevel and moisture.
    Can someone explain?

  2. tim says:

    Hello
    Can someone explain?
    in my case it works the other way around.
    resistor 10k false parallel
    resistor 10k true in series
    problema whith waterLevelSensor A1 it works the other way around.

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