Gas Sensors

Want to build your own breathalyzer? This variety of semiconductor gas sensors makes it possible to measure concentrations of gasses such as alcohol, methane, propane, butane, and carbon monoxide.
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Humidity Sensor Carrier HIH-4030

This breakout board for Honeywell's HIH-4030 humidity sensor measures relative humidity (%RH) and ou..

Product Code: TS-051-000

8 In stock

Pololu Alcohol Gas Sensor MQ-3

This alcohol gas sensor detects the concentration of alcohol gas in the air and ouputs its reading a..

Product Code: TS-056-MQ3

9 In stock

Pololu Carbon Monoxide & Flammable Gas Sensor MQ-9

This Carbon Monoxide (CO) and flammable gas sensor detects the concentrations of CO and combustible ..

Product Code: TS-056-MQ9

9 In stock

Pololu Carbon Monoxide Gas Sensor MQ-7

This Carbon Monoxide (CO) gas sensor detects the concentrations of CO in the air and ouputs its read..

Product Code: TS-056-MQ7

12 In stock

Pololu Flammable Gas & Smoke Sensor MQ-2

This flammable gas and smoke sensor detects the concentrations of combustible gas in the air and oup..

Product Code: TS-056-MQ2

6 In stock

Pololu LPG / Isobutane / Propane Gas Sensor MQ-6

This propane gas sensor detects the concentrations of LPG, isobutane, and propane in the air and oup..

Product Code: TS-056-MQ6

12 In stock

Pololu Methane Gas Sensor MQ-4

This methane gas sensor detects the concentration of methane gas in the air and ouputs its reading a..

Product Code: TS-056-MQ4

6 In stock

Pololu MQ Gas Sensor Carrier

This breakout board is designed to work with any of the MQ-series gas sensors, simplifying the inter..

Product Code: TS-056-MQ0

21 In stock

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