Gravity: MEMS Gas Sensor - module with MiCS-4514 gas sensor

The MQ-8 sensor allows the measurement of hydrogen concentration in the air. The measuring range of the sensor is in the range of 100 - 10,000 ppm.

Module with LPG gas concentration sensor (MQ-6) in the range of 200 - 10,000 ppm. The module has an analogue output and a digital output triggered by exceeding the threshold of sensitivity. modMQ-6

The MQ-8 module allows the measurement of hydrogen concentration in the air. It has an analogue output and an output triggered by exceeding the threshold of sensitivity.

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 Sensirion SCD30 sensor, which enables CO2, temperature and humidity measurement. The board is equipped with a Grove connector and communicates via the I2C interface. Seeed Studio 101020634

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

Module with the MQ3 analog alcohol sensor. It allows you to detect gas and build a simple breathalyzer. The module is powered by 5 V and has an analog output

Module with CO2, temperature and humidity sensor SCD-30. Equipped with a STEMMA QT connector, it communicates via the I2C interface. Adafruit 4867

Module with BME680 for measuring the concentration of VOC, pressure, temperature and humidity. Equipped with a STEMMA QT connector, it communicates via I2C or SPI. Adafruit 3660

The MQ-6 sensor allows the measurement of LPG, propane and isobutane. The measuring range of the sensor is in the range of 300 - 10.000 ppm, while the output receives an analog signal.

Module with gas sensor SGP30. It allows you to measure the content of total volatile organic compounds (TVOC), carbon dioxide equivalent (eCO2), ethanol and H2 in the air. M5Stack U088

Air quality sensor module based on the SGP40 system. It uses CMOSens technology by Sensirion and provides information on the concentration of volatile organic compounds (VOC). Adafruit 4829

The MQ-9 sensor allows the measurement of gas concentrations such as carbon monoxide, propane and methane. Sensor measuring range: 10 - 10,000 ppm

The module allows the detection of volatile organic compounds (VOC) in the air, based on Winsen\'s WSP2110 system. Allows for detection in the air; formaldehyde (HCHO), methane, benzene, toluene, alcohol, etc. The sensor output is an analog signal. Seeed studio 101020001

A sensor that detects the concentration of sulfur dioxide. Equipped with a factory calibrated probe. It communicates via the I2C interface, UART or analog output. DFRobot SEN0470

The module with the natural gas and LPG concentration sensor (modMQ-5) allows the measurement of the concentration of natural gas, carbon monoxide, alcohol and methane. The module has an analogue output and an output triggered by exceeding the threshold of sensitivity.