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 Wed 10 Jun
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 Wed 10 Jun
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 Tue 30 Jun
Gravity: Arduino Gas Sensor (MQ2)
SKU: DF-SEN0127 | Brand: DFRobot
INTRODUCTION This is a generic Arduino gas sensor. It has MQ2 probe which is able to detect LPG, i-butane, propane, methane ,alcohol, Hydrogen, smoke.It can be used in gas leakage detecting device in c...
Delivered by Fri 19 Jun
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 Wed 10 Jun
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 Wed 10 Jun
Fermion: ENS160 Air Quality Sensor (Breakout)
SKU: DF-SEN0515 | Brand: DFRobot
This Fermion: 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 innovativ...
Delivered by Fri 19 Jun
Analog CO/Combustible Gas Sensor(MQ9)
SKU: EC-SES90101S | Brand: Elecrow
The MQ-9 is an analog gas sensor module with high sensitivity to carbon monoxide (CO), methane, propane, and LPG. It uses an SnO2 sensing element that changes conductivity in the presence of target gases, making it su...
Delivered by Wed 24 Jun
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 Wed 10 Jun
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 Fri 19 Jun
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 Wed 10 Jun
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 Wed 10 Jun
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 Fri 19 Jun
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 Fri 19 Jun
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 Wed 10 Jun
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 Fri 19 Jun
Gravity: PM2.5 Air Quality Sensor
SKU: DF-SEN0460 | Brand: DFRobot
The Gravity PM2.5 Air Quality Sensor uses laser scattering to measure suspended particulate matter in three size ranges — PM1.0, PM2.5, and PM10 — and outputs concentration data via I2C. With a minimum detectable part...
Delivered by Fri 19 Jun
Gravity: SGP40 Air Quality Sensor
SKU: DF-SEN0394 | Brand: DFRobot
The Gravity SGP40 Air Quality Sensor uses Sensirion's SGP40 digital VOC sensor chip with built-in temperature and humidity compensation. It outputs a VOC index (0–500) that can be used directly to evaluate indoor air ...
Delivered by Fri 19 Jun
Adafruit BME680 - Temperature, Humidity, Pressure and Gas Sensor
SKU: AF-3660 | Brand: Adafruit
The BME680 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 Tue 30 Jun
Gravity: I2C BME680 Environmental Sensor (VOC, Temperature, Humidity, Barometer)
SKU: DF-SEN0248 | Brand: DFRobot
DFRobot BME680 Environmental Sensor is a low power gas, pressure, temperature & humidity sensor based on BOSCH BME680 sensor. It is a 4-in-1 multi-functional MEMS environmental sensor which integrates VOC (Volatil...
Delivered by Fri 19 Jun