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    1Pcs MQ-9 MQ9 Carbon Monoxide Gas Sensor Module Arduino gt

    • Item No : 257054013469
    • Condition : New
    • Brand : Unbranded
    • Seller : *orchid
    • Current Bid : US $1.51

    • * Item Description

    • 1Pcs Arduino MQ-9 MQ9 Gas Sensor Module Carbon Monoxide Ic New. Sensitive material MQ-9 gas sensor is used to clean the air in the lower conductivity of tin dioxide (SnO2). Simple circuit can be used to change the conductivity, concentration of the gas is converted to the corresponding output signal.
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