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.
Adafruit BME688 - Temperature, Humidity, Pressure and Gas Sensor
SKU: AF-5046 | Brand: Adafruit
The BME688 from Bosch delivers comprehensive environmental sensing in a single compact package. This precision sensor measures temperature, humidity, barometric pressure, and VOC gas levels, all accessible over I2C or...
Delivered by Fri 7 Aug
Adafruit SCD-41 - True CO2 Temperature and Humidity Sensor
SKU: AF-5190 | Brand: Adafruit
The Adafruit SCD-41 is a photoacoustic true CO2 sensor that directly measures carbon dioxide concentration in ambient air with a wide measurement range of 400 to 5,000 ppm. It also includes integrated temperature and ...
Delivered by Fri 7 Aug
Adafruit PMSA003I Air Quality Breakout - STEMMA QT / Qwiic
SKU: AF-4632 | Brand: Adafruit
The Adafruit PMSA003I Air Quality Breakout is a compact laser-scattering particulate matter sensor with an I2C interface — a significant advantage over the UART-based sensors that dominate this category. Simply connec...
Delivered by Fri 7 Aug
Multi-function Environmental Module - CCS811+BME280
SKU: DF-SEN0335 | Brand: DFRobot
Build up a simple environmental monitor station with this multi-function environment sensor! Based on the combination of CCS811+BME280 chip, this module features high accuracy, I2C interface, and fast Measurement. ...
Delivered by Fri 7 Aug
Fermion: MEMS Volatile Organic Compounds VOC Gas Detection Sensor (Breakout, 1-500ppm)
SKU: DF-SEN0566 | Brand: DFRobot
Fermion: MEMS Volatile Organic Compounds VOC Gas Sensor employs state-of-the-art microelectromechanical system (MEMS) technology, endowing the sensor with compact dimensions (13x13x2.5mm), low power consumption (<20mA...
Delivered by Fri 7 Aug
DIY Gas Detector - Learn to solder
SKU: LB-LS4968 | Brand: Little Bird
MQ-2 Gas Sensor - Smoke & Flammable Gas Detector The MQ-2 is a reliable, easy-to-use gas sensor that’s ideal for detecting flammable gases like LPG, methane, propane, and even smoke. At its core is tin dioxide (SnO₂...
Delivered by Fri 7 Aug
Gravity: I2C SCD41 Infrared CO2 Sensor (400 - 5000 ppm)
SKU: DF-SEN0536 | Brand: DFRobot
The Gravity SCD41 Infrared CO2 Sensor provides accurate carbon dioxide, temperature, and humidity measurements in a single compact module. Based on Sensirion's SCD41 sensor, it uses photoacoustic NDIR (non-dispersive ...
Delivered by Fri 7 Aug
Gravity: Multifunctional Environmental Sensor
SKU: DF-SEN0501 | Brand: DFRobot
This multifunctional environmental sensor comprises SHTC3 temperature & humidity sensor, BMP280 barometric pressure sensor, VEML7700 ambient light sensor, and ML8511 UV sensor into one and offers 5 kinds of environmen...
Delivered by Fri 7 Aug
Adafruit SGP40 Air Quality Sensor Breakout - VOC Index - STEMMA QT / Qwiic
SKU: AF-4829 | Brand: Adafruit
The Adafruit SGP40 is a next-generation MOX (metal-oxide) gas sensor from Sensirion for indoor air quality monitoring. Unlike its predecessor the SGP30, the SGP40 outputs a raw signal that is processed through Sensiri...
Delivered by Fri 7 Aug
Gravity: ENS160 Air Quality Sensor
SKU: DF-SEN0514 | Brand: DFRobot
This Gravity: ENS160 Air Quality Sensor, based on ScioSense's new ENS160 sensor chip, is specifically designed for indoor air quality monitoring and offers detection of multiple IAQ data (TVOC, eCO2, AQI).The innovati...
Delivered by Fri 7 Aug
Carbon Monoxide Sensor (MQ7)
SKU: DF-FIT0227 | Brand: DFRobot
The MQ7 is a simple-to-use Carbon Monoxide (CO) sensor suitable for detecting CO concentrations in the air. It offers a wide detection range from 20 to 2000 ppm, making it ideal for safety monitoring and air quality p...
Delivered by Fri 7 Aug
Gravity: UART Infrared CO2 Sensor (0-50000ppm), air sensor
SKU: DF-SEN0220 | Brand: DFRobot
The Gravity UART Infrared CO2 Sensor uses non-dispersive infrared (NDIR) technology to measure carbon dioxide concentrations from 0 to 50,000 ppm. It offers excellent selectivity with no oxygen dependency, built-in te...
Delivered by Fri 7 Aug
BME680 Environmental Sensor Module
SKU: DF-SEN0375 | Brand: DFRobot
BME680 is a 4-in-1 multi-functional MEMS environmental sensor which integrates VOC (Volatile Organic Compounds) sensor, temperature sensor, humidity sensor and barometer. It is designed for air quality monitor, and du...
Delivered by Fri 7 Aug
Air Quality Monitor (PM 2.5, Formaldehyde, Temperature Humidity Sensor)
SKU: DF-SEN0233 | Brand: DFRobot
A multifunction air quality monitor that measures particulate matter (PM2.5), formaldehyde concentration, temperature, and humidity. It uses laser scattering to detect suspended particles in the air, an electrochemica...
Delivered by Fri 7 Aug
Gravity: STCC4 True Carbon Dioxide (CO2) Sensor (3-in-1 Air Quality Monitoring, 400 ~ 5000ppm)
SKU: DF-SEN0678 | Brand: DFRobot
This Gravity air quality module uses Sensirion’s STCC4 gas sensing chip to directly measure carbon dioxide with the thermal conductivity measurement principle. It is designed for compact, cost-effective indoor monitor...
Delivered by Fri 7 Aug