2Pcs MQ-9 MQ9 Carbon Monoxide Arduino Gas Sensor Module New Ic fb
4,30 €
2Pcs Gas Sensor Module MQ-9 MQ9 Carbon Monoxide Arduino 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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