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    Soil Humidity Moisture Detection Sensor Module Soil Hygrometer

    Soil Humidity Moisture Detection Sensor Module Soil Hygrometer

    This is a simple water sensor, can be used to detect soil moisture
    Module Output is high level when the soil moisture deficit,or output is low
    Can be used in module plant waterer device, and the plants in your garden no need people to manage
    Operating voltage: 3.3V~5V
    Dual output mode,analog output more accurate
    A fixed bolt hole for easy installation
    With power indicator (red) and digital switching output indicator (green)
    Having LM393 comparator chip, stable
    Panel PCB Dimension: Approx.3cm x 1.5cm
    Soil Probe Dimension: Approx. 6cm x 3cm
    Cable Length: Approx.21cm
    Interface Description(4-wire):
    VCC: 3.3V-5V
    GND: GND
    DO: digital output interface(0 and 1)
    AO: analog output interface
    Instructions for Use:
    Soil moisture module is most sensitive to the ambient humidity is generally used to detect the moisture content of the soil
    Module to reach the threshold value is set in the soil moisture, DO port output high, when the the soil humidity exceeds a set threshold value, the module D0 output low
    The digital output D0 can be connected directly with the microcontroller to detect high and low by the microcontroller to detect soil moisture
    The digital outputs DO shop relay module can directly drive the buzzer module, which can form a soil moisture alarm equipment

    Analog output AO and AD module connected through the AD converter, you can get more precise values of soil moisture 

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