Electronics » Sensors »
Gas Sensors
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Pololu item #:
1480
Price: $3.95 |
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Flammable Gas & Smoke Sensor MQ-2This 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. |
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Pololu item #: 1634 Price: |
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Alcohol Gas Sensor MQ-3This 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. |
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Pololu item #:
1633
Price: $4.95 |
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Methane Gas Sensor MQ-4This 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. |
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Pololu item #:
1481
Price: $4.95 |
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LPG / Isobutane / Propane Gas Sensor MQ-6This 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. |
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Pololu item #:
1482
Price: $6.95 |
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Carbon Monoxide Gas Sensor MQ-7This 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. |
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Pololu item #:
1483
Price: $5.95 |
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Carbon Monoxide & Flammable Gas Sensor MQ-9This 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. |
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Pololu item #:
1479
Price: $0.95 |
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Pololu MQ Gas Sensor CarrierThis 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. |
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Pololu item #:
1639
Price: $0.95 |
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Sparkfun MQ Gas Sensor CarrierThis carrier board is designed to work with any of the MQ-series gas sensors, simplifying the interface from 6 to 4 pins that are broken out with a 0.1" spacing, making the board compatible with 0.1" headers and standard breadboards and perfboards. The board has the same diameter (16.8 mm) as the smaller of the gas-sensor packages, allowing for a low-profile connection. |
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