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