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This sensor helps us to measure the humidity in the earth, in pots, greenhouses, etc.

In this way, it can help us monitor whether the soil of a plant is wet or dry enough, which would allow us to keep it in an optimal state for its growth.

Soil Moisture Sensor

  • Working voltage: from 3.3 - 5V

    It has an adjustable digital and an analog output for more accurate measurements.

    Power indicator (red LED)

    Digital output indication (green LED)

    It has 4 connection pins:

    VCC: The supply voltage is connected to this pin

    GND: The circuit ground must be connected here

    DO: Adjustable digital output with the included potentiometer

    AO: Analog output for more precise measurements

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