Gas & Air Quality Sensors
Gas sensors, air quality monitors, and environmental sensors — CO2 (SCD40/41), VOC (SGP30/40), particulate matter (PMSA003I), smoke, alcohol, and multi-gas sensors.
MQ-2 smoke sensor module
SKU: LB-24-MQ2 | Brand: Little Bird
This is the MQ-2 smoke sensor module. It is sensitive to flammable gases such as LPG, propane, and methane. Find our tutorial here It has four pins:AO: Analog OutputDO: Digital OutputGND: In electronics, we defi...
Delivered by Fri 7 Aug
Gravity: Arduino CO/Combustible Gas Sensor (MQ9)
SKU: DF-SEN0134 | Brand: DFRobot
The Gravity MQ-9 gas sensor detects carbon monoxide (CO) and combustible gases including methane and propane. It uses a semiconductor SnO2 sensing element that cycles between high and low temperatures — detecting CO a...
Delivered by Fri 7 Aug
Carbon Monoxide Flammable Gas Sensor MQ-9
SKU: PL-1483 | Brand: Pololu
This 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 ...
Delivered by Fri 7 Aug