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 9 Oct
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 9 Oct
PM2.5 Air Quality Sensor and Breadboard Adapter Kit - PMS5003
SKU: AF-3686 | Brand: Adafruit
Breathe easy, knowing that you can track and sense the quality of the air around you with the PM2.5 Air Quality Sensor with Breadboard Adapter particulate sensor. Mad Max & Furiosa definitely should have ho...
Delivered by Mon 2 Nov
AGS02MA TVOC Gas Sensor
SKU: LB-LS2708 | Brand: Little Bird
The AGS02MA is a MEMS-based TVOC (Total Volatile Organic Compounds) gas sensor with a calibrated digital signal output. It detects a range of polluting gases including ethanol, ammonia, sulfides, benzene vapours, and ...
Delivered by Fri 9 Oct
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 9 Oct
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 9 Oct
Fermion: BME688 AI Environmental Sensor (VOC, Temperature, Humidity, Pressure)
SKU: DF-SEN0629 | Brand: DFRobot
The BME688 AI Environmental Sensor is a highly advanced MEMS sensor that combines temperature, humidity, barometric pressure, and VOC detection in a single, compact package. Featuring ±0.5°C temperature accurac...
Delivered by Tue 20 Oct
SparkFun CO₂ Humidity and Temperature Sensor - SCD41 (Qwiic)
SKU: SF-SEN-22396 | Brand: SparkFun
This SparkFun CO2 Humidity and Temperature Sensor features the next-generation SCD41 photoacoustic CO2 sensor for high-accuracy environmental readings. The SCD41 uses Sensirion's PASens® photoacoustic measurement syst...
Delivered by Tue 20 Oct
SparkFun Indoor Air Quality Sensor - ENS160 (Qwiic)
SKU: SF-SEN-20844 | Brand: SparkFun
The SparkFun ENS160 Indoor Air Quality Sensor is a digital multi-gas sensor solution with four sensor elements that can be used in a wide range of applications including building automation, smart home, and HVAC. The ...
Delivered by Fri 9 Oct
Fermion: Multifunctional Environmental Sensor (Breakout)
SKU: DF-SEN0500 | Brand: DFRobot
This compact multifunctional environmental sensor combines four professional sensor chips into a single breakout board: SHTC3 (temperature and humidity), BMP280 (barometric pressure), VEML7700 (ambient light), and ML8...
Delivered by Tue 20 Oct
Gravity: O2 Sensor (Calibrated) - I2C & UART
SKU: DF-SEN0465 | Brand: DFRobot
This is a sensor that detects oxygen concentration and supports three output modes: analog, I2C, and UART. The probe has been calibrated at the factory, which can quickly and accurately measure the concentration of ox...
Delivered by Tue 20 Oct
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 Tue 20 Oct
Gravity: SO2 Sensor (Calibrated) - I2C & UART
SKU: DF-SEN0470 | Brand: DFRobot
A factory-calibrated electrochemical sulfur dioxide (SO2) sensor with I2C, UART, and analogue output modes. Part of the DFRobot Gravity gas sensor series, this module quickly and accurately measures SO2 concentration ...
Delivered by Tue 20 Oct
Environment Science Expansion Board V2.0 for micro:bit
SKU: DF-MBT0034 | Brand: DFRobot
The Environment Science Expansion Board V2.0 is a micro:bit add-on designed for STEAM education, integrating 14 environmental sensors and modules onto a single tree-shaped board. Students can measure UV levels, temper...
Delivered by Tue 20 Oct
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 9 Oct
SparkFun Environmental Sensor Breakout - BME680 (Qwiic)
SKU: SF-SEN-16466 | Brand: SparkFun
A complete environmental sensor breakout based on the Bosch BME680, combining gas sensing (VOC), temperature, humidity, and barometric pressure in a compact 25.4 × 25.4mm (1" × 1") board. The gas sensor detects a wide...
Delivered by Tue 20 Oct
Particulate Matter Sensor - SPS30
SKU: SF-SEN-15103 | Brand: SparkFun
The Sensirion SPS30 is a compact, high-quality optical particle sensor that uses laser scattering and Sensirion's innovative contamination-resistance technology for superior binning and particle measurement. It measur...
Delivered by Tue 20 Oct
Sensirion Particle, VOC, Humidity, and Temperature Sensor - SEN55
SKU: SF-SEN-23715 | Brand: SparkFun
The SEN55 environmental node is a straightforward, all-in-one sensor solution platform for the accurate measurement of various environmental parameters, such as particulate matter, volatile organic compounds (VOCs), o...
Delivered by Tue 20 Oct
Indoor ENS160 Air Quality Sensor - I2C
SKU: DF-SEN0537 | Brand: DFRobot
The ENS160 Air Quality Sensor uses ScioSense's ENS160 chip with TrueVOC and metal oxide (MOX) technology to monitor indoor air quality. It outputs TVOC (total volatile organic compounds), eCO2 (equivalent CO2), and AQ...
Delivered by Tue 20 Oct
Gravity: CO Sensor (Calibrated) - I2C & UART
SKU: DF-SEN0466 | Brand: DFRobot
This is a sensor that detects carbon monoxide and supports three output modes: analog, I2C, and UART. The probe has been calibrated at the factory, which can quickly and accurately measure the concentration of carbon ...
Delivered by Tue 20 Oct