Grove - Moisture Sensor
  • Grove - Moisture Sensor

Grove - Moisture Sensor

SKU 101020008
  • Grove compatible interface
  • Easy to use
  • Perfect for gardening project
  • PDF guidance provided
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    Description

    TheGrove - Moisture Sensor can be used to detect the moisture of soil, to judge if there is dampness around the sensor. It can be used to decide if the plants in a garden need watering. It can be used in gardens to automate watering plants. It can be used very easily by just inserting the sensor into the soil and reading the output using ADC.


    NOTE: This sensor is not hardened against contamination or exposure of the control circuitry to water and may be prone to electrolytic corrosion across the probes , please use it for PROTOTYPING ONLY.


    Features

    • Grove compatible interface

    • Easy to use


    Specification

    • Operating voltage: 3.3~5V

    • Operating current: 35mA

    • ŸSensor Output Value in dry soil: 0~ 300

    • ŸSensor Output Value in humid soil: 300~700

    • Sensor Output Value in water: 700 ~ 950

    • ŸPCB size: 2.0cm X 6.0cm


    Documents

    Please visit our wiki page for more info about this product. It will be appreciated if you can help us improve the documents, add more demo code or tutorials. For technical support, please post your questions to our forum

    For all Grove users (especially beginners), we provide you guidance PDF documents. Please download and read through Preface - Getting StartedandIntroduction to Grove before your using of the product.

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    Questions and Answers
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    0

    When I use this sensor in water, is it possible to detect how much of the sensor electrodes is under water, i.e. use this sensor as a water level indicator?

    on Oct 19,2016
    Replyupvote ()

    You'll have to select the 5cmx10cm option. Always select the option where both dimensions are greater than your actual dimensions.

    The ordner number can be anywhere on your silkscreen, I always put it where I have room for it and create a little

    on Oct 20,2016 10:40 AM
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    0

    What about durability? can it support six month under ground?

    on Oct 19,2016
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    0

    What's the max output voltage

    on Oct 19,2016
    Replyupvote ()

    Hi.The maximum voltage you can provide is 5v.

    on Oct 20,2016 10:45 AM
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    0

    the connections say SIG, blank, Vcc and GND. I know Vcc and GND. but what are the SIG and blank connections..which one is the analog output.

    on Oct 19,2016
    Replyupvote ()

    Hi.SIG means signal.So it is the analog input pin.

    on Oct 20,2016 10:45 AM
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    0

    What is the working principle? resistance, capacitance or something else

    on Oct 19,2016
    Replyupvote ()

    Hi,it is a resistive transducer.

    on Oct 20,2016 10:45 AM
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    0

    How can I get the transfer function of this sensor?

    on Oct 19,2016
    Replyupvote ()

    Dear Ahmed,if you want to know how to use the transfer function,you can refer to the library file of Arduino.Such as:int analogRead(uint8_t pin)
    {
    uint8_t low, high;

    #if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
    if (pin

    on Oct 20,2016 10:43 AM
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    0

    Can I use a PIC or microcontroller with A / D converter instead of the Grove - Base Shield to measure humidity?

    on Oct 19,2016
    Replyupvote ()

    Of course you can!But maybe it looks like more complicated.

    on Oct 20,2016 10:42 AM
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    0

    which program to transform data from sensors in numbers of"%"soil moisture

    on Oct 19,2016
    Replyupvote ()

    Hi, the value is analog output. So you need to add by your self when the value is A then count your % value out.

    on Oct 20,2016 10:41 AM
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