9PCS Gas Detection Sensor Module Set for Arduino-17.40 and Free Shipping

9PCS Gas Detection Sensor Module Set for Arduino-17.40 and Free Shipping

Gas Detection Module MQ-2 / MQ-3 / MQ-4 / MQ-5 / MQ-6 / MQ-7 / MQ-8 / MQ-9 / MQ-135 Sensor Kit Main Features: ● MQ-2, for smoke gas, methane, liquefied flammable gas detection ● MQ-3, for alcohol, ethanol detection ● MQ-4, for smoke, methane gas detection ● MQ-5, for LPG gas detection ● MQ-6, for liquefied petroleum gas, isobutane, propane detection ● MQ-7, for carbon monoxide detection ● MQ-8, for hydrogen gas detection ● MQ-9, for combustible gas, carbon monoxide detection ● MQ-135, for air quality, hazardous gas detection

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