Gas

Gas sensors for detecting different gases

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Flammable Gas & Smoke Sensor MQ-2

Code: SKU-002622

This semiconductor petrol sensor detects the presence of combustible petrol and smoke at concentrations from 300 to 10,000 ppm. The sensor’s simple analogue voltage interface requires only one analogue input pin from your microcontroller.

$ 5.95

In stock in Australia

Shipping from $9.90

Pololu Carrier for MQ Gas Sensors (Bare PCB Only)

Code: SKU-002621

This carrier board is designed to work with any of the MQ-series petrol sensors , simplifying the interface from 6 to 3 pins—ground, power and analogue voltage output—that are broken out with a 0.1" spacing, making the board compatible with 0.1" headers and standard breadboards and perfboards.

$ 2.05

In stock in Australia

Shipping from $9.90

+200 more from our supplier in 7-10 days

Alcohol Gas Sensor - MQ-3

Code: SKU-000267

This alcohol sensor is suitable for detecting alcohol concentration on your breath, just like your common breathalyzer.

$ 14.95

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+114 more from our supplier in 7-10 days

Carbon Monoxide Sensor - MQ-7

Code: SKU-000407

This is a simple-to-use Carbon Monoxide (CO) sensor, suitable for sensing CO concentrations in the air.

$ 13.95

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+118 more from our supplier in 7-10 days

Hydrogen Gas Sensor - MQ-8

Code: SKU-000826

This is a simple-to-use hydrogen petrol sensor, suitable for sensing hydrogen concentrations in the air.

$ 12.95

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+554 more from our supplier in 7-10 days

LPG Gas Sensor - MQ-6

Code: SKU-000409

This is a simple-to-use liquefied petroleum petrol (LPG) sensor, suitable for sensing LPG (composed of mostly propane and butane) concentrations in the air.

$ 11.95

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+413 more from our supplier in 7-10 days

Methane CNG Gas Sensor - MQ-4

Code: SKU-000408

This is a simple-to-use compressed natural petrol (CNG) sensor, suitable for sensing natural petrol (composed of mostly Methane [CH4]) concentrations in the air.

$ 11.95

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+59 more from our supplier in 7-10 days

SparkFun Gas Sensor Breakout

Code: SKU-000272

With the Petrol Sensor Breakout you will be able to utilise each oversized, oddly spaced pins featured on every MQ petrol sensor product.

$ 2.45

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+126 more from our supplier in 7-10 days