5Pcs MQ-9 MQ9 Carbon Monoxide Gas Sensor Module Arduino New Ic cr
8,63 €
5Pcs Gas Sensor Module Arduino MQ-9 MQ9 Carbon Monoxide New Ic. 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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