STEMMA QT SCD-30 NDIR - module with CO2, temperature and humidity sensor

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

Module with four gas sensors that allow the detection of CO, NO2, alcohol and volatile organic compounds (VOC). The board is equipped with a Grove connector and communicates via the I2C interface. Seeed Studio 101020820

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

Methane sensor module made in MEMS technology. It allows gas detection in the range of 1 to 10000 ppm and has an analog output. DFRobot SEN0565

Air quality sensor module based on the ENS160 system. It communicates via the I2C or SPI interface. DFRobot SEN0515

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

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

Sensor that detects the concentration of chlorine. Equipped with a factory calibrated probe. It communicates via the I2C interface, UART or analog output. DFRobot SEN0468

Module with an analog MQ5 LPG sensor. It is powered with the voltage of 5 V and has an analog output. DFRobot SEN0130

Module with hydrogen sulphide sensor made in MEMS technology. It allows gas detection in the range of 0.5 to 50 ppm and has an analog output. DFRobot SEN0568

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

Gravity: UART Infrared CO2 Sensor is a high precision CO2 sensor. It uses the UART interface for communication. It allows to measure CO2 content in the air in the range of 0 ... 50000ppm. DFRobot SEN0220

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 an ambient oxygen concentration sensor. The system allows you to measure the oxygen volume in the range up to 25% with a resolution of 0.15%. The module communicates via the I2C interface. DFRobot SEN0322

The module with the sensor for the measurement of the concentration of carbon monoxide (MQ-7), allows the measurement of the concentration of carbon (CO) in the air. The module has an analogue output and an output triggered by exceeding the threshold of sensitivity.

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