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Flammable Gas & Smoke Sensor MQ-2SG$6.10 |
| 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. [Product Details...] | |
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Pololu MQ Gas Sensor CarrierSG$1.90 |
| 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 sta [Product Details...] | |
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Methane Gas Sensor MQ-4SG$7.90 |
| This semiconductor gas sensor detects the presence of methane (CNG) gas at concentrations from 200 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 micro [Product Details...] | |
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LPG / Isobutane / Propane Gas Sensor MQ-6SG$7.50 |
| 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. [Product Details...] | |
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Carbon Monoxide & Flammable Gas Sensor MQ-9SG$9.90 |
| This semiconductor gas sensor detects the presence of Carbon Monoxide at concentrations from 10 to 10,000 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 microcontro [Product Details...] | |
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Grove -Air quality sensorSG$24.00 |
| The sensor is designed for indoor air quality testing. The main gas detected is carbon monoxide, alcohol, acetone, thinner, formaldehyde and other slightly toxic gases. [Product Details...] | |

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