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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 in Australia - Express Delivery Australia Wide

    Pololu Carrier for MQ Gas Sensors (Bare PCB Only)

    SKU: POLOLU-1479
    | Brand: Pololu
    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
    Thu 18th of Oct

    $1.66 AUD

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

    Flammable Gas & Smoke Sensor MQ-2

    SKU: POLOLU-1480
    | Brand: Pololu
    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
    $5.52 AUD, inc GST
    AUD, inc GST
    $5.52 AUD
  3. Alcohol Gas Sensor MQ-3 POLOLU-1634 Pololu in Australia - Express Delivery Australia Wide

    Alcohol Gas Sensor MQ-3

    SKU: POLOLU-1634
    | Brand: Pololu
    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
    $6.76 AUD
  4. Methane Gas Sensor MQ-4 POLOLU-1633 Pololu in Australia - Express Delivery Australia Wide

    Methane Gas Sensor MQ-4

    SKU: POLOLU-1633
    | Brand: Pololu
    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
    Thu 18th of Oct

    $7.46 AUD

  5. Analog Gas Sensor(MQ5) SEN0130 DFRobot Australia - Express Post Australia Wide

    Analog Gas Sensor(MQ5)

    SKU: SEN0130
    | Brand: DFRobot
    The MQ5 is used in gas leakage detecting equipment in consumer and industry applications,this sensor is suitable for detecting LPG, natural gas, coal gas. Learn More
    $11.65 AUD, inc GST
    AUD, inc GST
    delivered by
    Mon 22nd of Oct

    $11.65 AUD

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

    LPG / Isobutane / Propane Gas Sensor MQ-6

    SKU: POLOLU-1481
    | Brand: Pololu
    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
    Thu 18th of Oct

    $7.46 AUD

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

    Carbon Monoxide Gas Sensor MQ-7

    SKU: POLOLU-1482
    | Brand: Pololu
    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
    Thu 18th of Oct

    $10.48 AUD

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

    Hydrogen Gas Sensor - MQ-8

    SKU: SEN-10916
    | Brand: Sparkfun
    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
    $12.33 AUD, inc GST
    AUD, inc GST
    delivered by
    Thu 18th of Oct

    $12.33 AUD

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

    Carbon Monoxide & Flammable Gas Sensor MQ-9

    SKU: POLOLU-1483
    | Brand: Pololu
    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
    Thu 18th of Oct

    $10.48 AUD

  10. Optical Dust Sensor - GP2Y1010AU0F COM-09689 Sparkfun Australia - Express Delivery Australia Wide

    Optical Dust Sensor - GP2Y1010AU0F

    SKU: COM-09689
    | Brand: Sparkfun
    Sharp’s GP2Y1010AU0F is an optical air quality sensor, designed to sense dust particles. An infrared emitting diode and a phototransistor are diagonally arranged into this device, to allow it to detect the reflected light of dust in air. It is especially effective in detecting very fine particles like cigarette smoke, and is commonly used in air purifier systems. Learn More
    $18.53 AUD, inc GST
    AUD, inc GST
    delivered by
    Thu 18th of Oct

    $18.53 AUD

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