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.
BME680 Breakout - Air Quality, Temperature, Pressure, Humidity Sensor
SKU: PR-PIM357 | Brand: Little Bird
The state-of-the-art BME680 breakout lets you measure temperature, pressure, humidity, and indoor air quality, and is Raspberry Pi and Arduino-compatible! Use this breakout to monitor every aspect of your indoor en...
Delivered by Wed 10 Jun
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
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 Wed 10 Jun
Kitronik Air Quality and Environmental Board for micro:bit
SKU: KI-5674 | Brand: Kitronik
The Kitronik Air Quality Board provides a complete air monitoring and reporting solution for the BBC micro:bit. The wealth of onboard sensors and connection points allow you to collect extensive air quality data that ...
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
Adafruit SCD-30 - NDIR CO2 Temperature and Humidity Sensor - STEMMA QT / Qwiic
SKU: AF-4867 | Brand: Adafruit
The Adafruit SCD-30 is a true NDIR (Non-Dispersive Infrared) CO2 sensor that directly measures carbon dioxide concentration in ambient air, rather than estimating it from volatile organic compounds. With an integrated...
Delivered by Wed 10 Jun
Fermion: MEMS Methane CH4 Gas Detection Sensor (Breakout, 1-10000ppm)
SKU: DF-SEN0565 | Brand: DFRobot
Fermion: MEMS Methane CH4 Gas Detection Sensor employs state-of-the-art micro-electromechanical system (MEMS) technology, endowing the sensor with compact dimensions (13x13x2.5mm), low power consumption (<20mA), minim...
Delivered by Wed 10 Jun
Enviro + Air Quality for Raspberry Pi
SKU: PR-PIM458 | Brand: Little Bird
Monitor your world with Enviro and Enviro + Air Quality for Raspberry Pi! There's a whole bunch of fancy environmental sensors on these boards, and a gorgeous little full-colour LCD to display your data. They're th...
Delivered by Wed 10 Jun
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 Wed 10 Jun
Gravity: Arduino LPG Gas Sensor (MQ4)
SKU: DF-SEN0129 | Brand: DFRobot
INTRODUCTION This is an Arduino CH4 gas sensor. It uses MQ4 probe which is able to detect nature gas, CH4. It is less sensitivity in detecting alcohol, cooking fumes, and cigarette smok...
Delivered by Wed 10 Jun
Fermion: MEMS Hydrogen H2 Gas Detection Sensor (Breakout, 0.1-1000ppm)
SKU: DF-SEN0572 | Brand: DFRobot
The Fermion MEMS H2 Sensor is a compact hydrogen gas detection module using micro-electromechanical system (MEMS) technology. It provides qualitative measurement of hydrogen concentration from 0.1 to 1000 ppm via an a...
Delivered by Wed 10 Jun
Fermion: MEMS Carbon Monoxide CO Gas Detection Sensor (Breakout, 5-5000ppm)
SKU: DF-SEN0564 | Brand: DFRobot
The Fermion MEMS Carbon Monoxide Sensor uses micro-electromechanical system (MEMS) technology to detect CO gas concentrations from 5 to 5,000 ppm. Its compact size, low power consumption, short preheat time, and fast ...
Delivered by Wed 10 Jun
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 Wed 10 Jun
Monk Makes CO2 Sensor for micro:bit
SKU: MM-SKU0072 | Brand: Monk Makes
This board, designed for use with the Lets Talk Science Living Space Project, provides a CO2, temperature and Relative Humidity measurements to a BBC micro:bit. &n...
Delivered by Wed 10 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
Gravity: Analog Infrared CO2 Sensor For Arduino (0~5000 ppm)
SKU: DF-SEN0219 | Brand: DFRobot
The concentration of carbon dioxide (0.03% usuallly) is related to daily life. Recently, there's a study showing that the atmospheric CO2 content has reached 0.0385% (385 ppm) which is the highest value since 2.1 ...
Delivered by Wed 10 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: MEMS Ethanol EtOH Gas Detection Sensor (Breakout, 1-500ppm)
SKU: DF-SEN0569 | Brand: DFRobot
The Fermion MEMS Ethanol (EtOH) Gas Detection Sensor uses micro-electromechanical system (MEMS) technology for compact, low-power ethanol gas detection. With a detection range of 1–500 ppm, it provides qualitative mea...
Delivered by Wed 10 Jun
Fermion: MEMS Hydrogen Sulfide H2S Gas Detection Sensor (Breakout, 0.5-50ppm)
SKU: DF-SEN0568 | Brand: DFRobot
Fermion: MEMS Hydrogen Sulfide H2S Gas Detection Sensor employs state-of-the-art micro-electromechanical system (MEMS) technology, endowing the sensor with compact dimensions (13x13x2.5mm), low power consumption (<20m...
Delivered by Wed 10 Jun