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LPG Sensor ckt help

Discussion in 'Sensors and Actuators' started by Mahesh Sinha, Sep 30, 2017.

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  1. Mahesh Sinha

    Mahesh Sinha

    9
    0
    Sep 10, 2017
    upload_2017-9-30_2-46-13.png
    this is a lpg sensor which is used for sensing lpg gas .
    it has 4 pin 1.ao 2.do 3.vcc4.gnd
    but i dont know how to use as lpg sensor and its circuits
    please send me circuit for lpg sensor
     
  2. kellys_eye

    kellys_eye

    4,276
    1,146
    Jun 25, 2010
    Did you not get the datasheet for the board?
     
  3. Alec_t

    Alec_t

    2,821
    754
    Jul 7, 2015
    This page has the spec for a module using the MQ135 sensor (which it seems yours has).
    I'm guessing the pins are Analogue out, Digital out (TTL compatible), Vcc (+5V) and Ground.
     
    davenn likes this.
  4. Mahesh Sinha

    Mahesh Sinha

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    0
    Sep 10, 2017
    No the shopekeaper is not give me adatasheet abaut this module
     
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