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Whether it's detecting flammable gas, alcohol, or just small particles such as dust or smoke, our gas & smoke sensors are easy to get started with.

We've got pre-soldered modules, or sensors by themselves with a breakout board for easy integration with your project.

  1. Pololu Carrier for MQ Gas Sensors (Bare PCB Only) POLOLU-1479 Pololu Australia - Express Delivery Australia Wide

    Pololu Carrier for MQ Gas Sensors (Bare PCB Only)

    SKU: POLOLU-1479
    This carrier board is designed to work with any of the MQ-series gas sensors, simplifying the interface from 6 to 3 pins—ground, power and analog voltage output—that are broken out with a 0.1" spacing, making the board compatible with 0.1" headers and standard breadboards and perfboards. This board has two mounting holes and provides convenient pads for mounting the gas sensor’s required sensitivity-setting resistor. Learn More
    $1.66 AUD, inc GST
    AUD, inc GST
    delivered by
    Wed 28th of Jun

    $1.66 AUD

  2. Flammable Gas & Smoke Sensor MQ-2 POLOLU-1480 Pololu Australia - Express Delivery Australia Wide

    Flammable Gas & Smoke Sensor MQ-2

    SKU: POLOLU-1480
    This semiconductor gas sensor detects the presence of combustible gas and smoke at concentrations from 300 to 10,000 ppm. The sensor’s simple analog voltage interface requires only one analog input pin from your microcontroller. Learn More
    $5.96 AUD, inc GST
    AUD, inc GST
    delivered by
    Wed 5th of Jul

    $5.96 AUD

  3. Alcohol Gas Sensor MQ-3 POLOLU-1634 Pololu Australia - Express Delivery Australia Wide

    Alcohol Gas Sensor MQ-3

    SKU: POLOLU-1634
    This semiconductor gas sensor detects the presence of alcohol gas at concentrations from 0.04 mg/L to 4 mg/L, a range suitable for making a breathalyser. The sensor’s simple analog voltage interface requires only one analog input pin from your microcontroller. Learn More
    $6.76 AUD, inc GST
    AUD, inc GST
    delivered by
    Wed 5th of Jul

    $6.76 AUD

  4. Methane Gas Sensor MQ-4 POLOLU-1633 Pololu Australia - Express Delivery Australia Wide

    Methane Gas Sensor MQ-4

    SKU: POLOLU-1633
    This semiconductor gas sensor detects the presence of methane (CNG) gas at concentrations from 300 ppm to 10,000 ppm, a range suitable for detecting gas leaks. The sensor’s simple analog voltage interface requires only one analog input pin from your microcontroller. Learn More
    $7.46 AUD, inc GST
    AUD, inc GST
    delivered by
    Wed 5th of Jul

    $7.46 AUD

  5. LPG / Isobutane / Propane Gas Sensor MQ-6 POLOLU-1481 Pololu Australia - Express Delivery Australia Wide

    LPG / Isobutane / Propane Gas Sensor MQ-6

    SKU: POLOLU-1481
    This semiconductor gas sensor detects the presence of LPG, isobutane, and propane at concentrations from 300 to 10,000 ppm. The sensor’s simple analog voltage interface requires only one analog input pin from your microcontroller. Learn More
    $7.46 AUD, inc GST
    AUD, inc GST
    delivered by
    Wed 5th of Jul

    $7.46 AUD

  6. Carbon Monoxide Gas Sensor MQ-7 POLOLU-1482 Pololu Australia - Express Delivery Australia Wide

    Carbon Monoxide Gas Sensor MQ-7

    SKU: POLOLU-1482
    This semiconductor gas sensor detects the presence of Carbon Monoxide at concentrations from 10 to 10,000 ppm. The sensor’s simple analog voltage interface requires only one analog input pin from your microcontroller. Learn More
    $10.48 AUD, inc GST
    AUD, inc GST
    delivered by
    Wed 5th of Jul

    $10.48 AUD

  7. Hydrogen Gas Sensor - MQ-8 SEN-10916 Sparkfun Australia - Express Delivery Australia Wide

    Hydrogen Gas Sensor - MQ-8

    SKU: SEN-10916
    This is a simple-to-use hydrogen gas sensor, suitable for sensing hydrogen concentrations in the air. The MQ-8 can detect hydrogen gas concentrations anywhere from 100-10000ppm. Learn More
    $12.38 AUD, inc GST
    AUD, inc GST
    delivered by
    Mon 3rd of Jul

    $12.38 AUD

  8. Carbon Monoxide & Flammable Gas Sensor MQ-9 POLOLU-1483 Pololu Australia - Express Delivery Australia Wide

    Carbon Monoxide & Flammable Gas Sensor MQ-9

    SKU: POLOLU-1483
    This semiconductor gas sensor detects the presence of Carbon Monoxide at concentrations from 10 to 1,000 ppm and combustible gas from 100 to 10,000 ppm. The sensor’s simple analog voltage interface requires only one analog input pin from your microcontroller. Learn More
    $10.48 AUD, inc GST
    AUD, inc GST
    delivered by
    Wed 5th of Jul

    $10.48 AUD

  9. Analog Gas Sensor(MQ2) SEN0127 DFRobot Australia - Express Post Australia Wide

    Analog Gas Sensor(MQ2)

    SKU: SEN0127
    The analog gas sensor - MQ2 is used in gas leakage detecting equipments in consumer and industry markets, this sensor is suitable for detecting LPG, i-butane, propane, methane ,alcohol, Hydrogen, smoke. Learn More
    $11.65 AUD, inc GST
    AUD, inc GST
    delivered by
    Mon 3rd of Jul

    $11.65 AUD

  10. Analog Alcohol Sensor(MQ3) SEN0128 DFRobot Australia - Express Post Australia Wide

    Analog Alcohol Sensor(MQ3)

    SKU: SEN0128
    The analog gas sensor - MQ3 is suitable for detecting alcohol, this sensor can be used in a Breathalyser.It has a high sensitivity to alcohol and small sensitivity to Benzine. Learn More
    $11.65 AUD, inc GST
    AUD, inc GST
    delivered by
    Mon 3rd of Jul

    $11.65 AUD

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