modMQ-2 - module with a sensor for concentration of combustible gases and smoke

A sensor used to detect pollutants in the air by measuring gases such as hydrogen, ethanol and carbon monoxide. It is used in various areas, such as the food industry, chemical industry, air quality control in laboratories and environmental monitoring. Figaro TGS2600

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

Air quality sensor module based on SGP30 system. The board has been equipped with Qwiic connectors. SparkFun SEN-16531

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

Integrated gas sensor, pressure, humidity and temperature in the LGA-8 housing. Bosch Sensortec BME680

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.

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

Module with an analog MQ7 carbon monoxide sensor. It is powered with the voltage of 5 V and has an analog output. DFRobot SEN0132

Module with BME680 sensor to measure the concentration of volatile organic compounds, pressure, temperature and humidity. It communicates via the I2C interface. Pimoroni PIM357

Air quality sensor module based on the SGP40 system. It communicates via the I2C interface. DFRobot SEN0392

Module with sensors of environmental parameters. It allows you to measure temperature, humidity and pressure as well as CO2 and VOC concentration. DFRobot SEN0335

Air quality sensor module based on the SGP40 system. The board is equipped with Qwiic connectors. SparkFun SEN-18345

A sensor that detects the concentration of nitrogen dioxide. Equipped with a factory calibrated probe. It communicates via the I2C interface, UART or analog output. DFRobot SEN0471

Module with ethanol sensor made in MEMS technology. It allows gas detection in the range of 1 to 500 ppm and has an analog output. DFRobot SEN0569

Module with a gas concentration sensor MQ9, which enables the detection of carbon monoxide and combustible gases (methane, propane). The board is equipped with a Grove connector and communicates via an analog interface. Seeed Studio 101020045

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