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.

Humidity Sensor Carrier HIH-4030

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

$16.95

Pololu Alcohol Gas Sensor MQ-3

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

10 In stock

$4.49

Pololu Carbon Monoxide & Flammable Gas Sensor MQ-9

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

10 In stock

$5.95

Pololu Carbon Monoxide Gas Sensor MQ-7

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

13 In stock

$6.95

Pololu Flammable Gas & Smoke Sensor MQ-2

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

7 In stock

$3.95

Pololu LPG / Isobutane / Propane Gas Sensor MQ-6

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

13 In stock

$4.95

Pololu Methane Gas Sensor MQ-4

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

7 In stock

$4.95

Pololu MQ Gas Sensor Carrier

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

36 In stock

$1.13

Showing 1 to 8 of 8 (1 Pages)