Gravity: HF Sensor - module with a hydrogen fluoride concentration sensor

The MQ-2 sensor allows the measurement of gas concentrations such as propane, butane, methane, LPG as well as alcohol and smoke. Sensor measuring range: up to 10,000 ppm

Module with temperature, humidity and pressure sensor BME680 from Bosch. The module communicates via I2C or SPI interfaces.

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

A sensor used to detect air pollutants by measuring VOCs and gases such as ammonia or hydrogen sulfide. It is used in various areas, such as the food industry, chemical industry, air quality control in laboratories and environmental monitoring. Figaro TGS2602

The MQ-3 sensor allows you to measure the concentration of alcohol vapors. The measuring range of the sensor is in the range of 0.05 mg / L to 10mg / L, and an analogue signal is obtained at the output.

Module with ammonia sensor made in MEMS technology. It allows gas detection in the range of 1 to 300 ppm and has an analog output. DFRobot SEN0567

Module with ENS160 gas sensor for measuring the concentration of carbon dioxide (eCO2) and volatile organic compounds (TVOC) in the air. It communicates via the I2C or SPI interface. Adafruit 5606

The MQ-4 sensor allows methane concentration measurement. The measuring range of the sensor reaches up to 10,000 ppm and an analogue signal is obtained at the output.

The MQ-7 sensor allows you to measure the concentration of carbon monoxide (carbon monoxide). The measuring range of the sensor is in the range of 10 - 10,000 ppm

Module with the MiCS-5524 analog gas sensor. It allows you to measure the concentration of CO, CH4, 2H5OH, C3H8, C4H10, H2, H2S and NH3. DFRobot SEN0440

A sensor that detects the concentration of hydrogen. Equipped with a factory calibrated probe. It communicates via the I2C interface, UART or analog output. DFRobot SEN0473

Sensor that detects the concentration of ozone. Equipped with a factory calibrated probe. It communicates via the I2C interface, UART or analog output. DFRobot SEN0472

Module with CO2, temperature and humidity sensor SCD-41. Equipped with a Qwiic/STEMMA QT connector, it communicates via the I2C interface. Pimoroni PIM587

Air quality sensor module based on the SGP40 system. It uses CMOSens® technology by Sensirion and provides information on air quality. Waveshare SGP40 VOC Sensor

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.

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