1Pcs Gas Sensor Module Arduino Carbon Monoxide MQ-9 MQ9 Ic New fz
1,53 €
1Pcs MQ-9 MQ9 Carbon Monoxide Arduino Gas Sensor Module 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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