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Moisture Sensor

Discussion in 'Sensors and Actuators' started by s ward, Apr 28, 2015.

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  1. s ward

    s ward

    11
    0
    Dec 14, 2014
    Hey all.

    I recently purchased a moisture resistive sensor over Ebay similar to this:

    http://www.ebay.co.uk/itm/Soil-Mois...0-/291193484418?ssPageName=ADME:X:AAQ:GB:1123

    Now it only has the three pins Vs Ground and signal which it states is an analog output. Now having received it and tryed it out on an little GSM Modem I have through the analog input all I am getting is a digital value output from my modem of -10. This does not change be it dry or wet.

    So im not fully sure whats the problem as I have no datasheet so hope one of you guys have had some experience with one or know where im going wrong.

    thanks.
     
  2. KMoffett

    KMoffett

    690
    68
    Jan 21, 2009
    link to the GSM modem would help.

    Ken
     
  3. s ward

    s ward

    11
    0
    Dec 14, 2014
  4. s ward

    s ward

    11
    0
    Dec 14, 2014
    finally got an output out of it. was testing it in a cup of dry and then wet rice thinking that would enduce an output. but its only when I put my dry hand and then wet hand that im getting an output. Giving me a digital value of 8 dry and 64 wet
     
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