2Pcs Arduino MQ-9 MQ9 Carbon Monoxide Gas Sensor Module Ic New ps
3,03 €
2Pcs MQ-9 MQ9 Carbon Monoxide Gas Sensor Module Arduino 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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