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