1 STCK. MQ9 MQ-9 Kohlenmonoxid Gassensor Modul Gassensor Modul für Arduino
1,37 €
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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