1Pcs Carbon Monoxide Gas Sensor Module Arduino MQ-9 MQ9 New Ic wg
2,76 €
1Pcs MQ-9 MQ9 Arduino Gas Sensor Module 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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