Fermion: MEMS Nitrogen Dioxide NO2 Gas Detection Sensor - module with nitrogen dioxide sensor

Module with an analog MQ2 gas sensor. It enables the detection of LPG, butane, propane, methane, alcohol, hydrogen and smoke. It is powered with the voltage of 5 V and has an analog output

Module with a smoke concentration sensor made in MEMS technology. It allows gas detection in the range of 10 to 1000 ppm and has an analog output. DFRobot SEN0570

Digital sensor dedicated to measuring carbon dioxide (CO2), air temperature and relative humidity. High performance, fast response and excellent stability make it an ideal solution for a variety of applications such as greenhouses, cities, poultry farms and transport stations. Seeed Studio 101991029

Integrated BME688 gas, pressure, temperature and humidity sensor in one MEMS housing. The system can be supplied with the voltage of 3.3 V and is equipped with an I2C communication interface. BME688 Breakout Board

Module with a BME688 sensor for measuring gas concentration, pressure, temperature and humidity. I2C or SPI communication. SparkFun SEN-19096

Module with a VOC sensor (volatile organic compounds) made in MEMS technology. It allows gas detection in the range of 5 to 500 ppm and has an analog output. DFRobot SEN0566

Module with integrated BME688 gas, pressure, temperature and humidity sensor placed in one MEMS housing. It is equipped with an I2C interface. Adafruit 5046

Module with SGP30 gas sensor. The sensor communicates via the I2C interface. SGP30 system contains several elements reacting to various metal oxides, which allows for more accurate determination of air quality. Adafruit 3709

A sensor that detects the concentration of phosphine. Equipped with a factory calibrated probe. It communicates via the I2C interface, UART or analog output. DFRobot SEN0476

A module for the detection of gases and vapors of alcohols, including ethanol.

Pololu MQ Gas Sensor Carrier

Digital gas sensor solution that senses a wide range of Total Volatile Organic Compounds (TVOCs), including equivalent carbon dioxide (eCO2) and metal oxide (MOX) levels, intended for indoor air quality monitoring in personal devices such as watches and phones, but we’ve put it on a breakout board so you can use it as a regular I2C device. SEN-14193

A sensor that detects the concentration of carbon monoxide. Equipped with a factory calibrated probe. It communicates via the I2C interface, UART or analog output. DFRobot SEN0466

Module with a knock-on sensor for measurement of methane, propane and carbon monoxide (MQ-9) concentrations. The module has an analogue output and an output triggered by exceeding the threshold of sensitivity.

Module with ozone detection sensor. It performs measurements up to 10 ppm with a resolution of 0.01 ppm. It has a UART output and an analog output. ZE25-O3

Module with an analog gas sensor. It allows you to measure the concentration of NO, NO2 and H2. DFRobot SEN0441