Gas sensors
DFRobot Gravity ENS160 Air Quality Sensor
Model SEN0514
Digital sensor that measures TVOC, eCO2 and air quality index (AQI).

DFRobot · Gas sensors
Model: SEN0460
PM1.0, PM2.5 and PM10 particle sensor with I2C interface.
Gas sensors
Model SEN0514
Digital sensor that measures TVOC, eCO2 and air quality index (AQI).
Gas sensors
Model SEN0394
Sensirion volatile organic compound (VOC) sensor for indoor air monitoring.
Gas sensors
Model SEN0177
Laser sensor that measures PM1.0, PM2.5 and PM10 particle concentration.
Gas sensors
Model SEN0219
Non-dispersive infrared carbon dioxide sensor with analog/PWM output.
Gas sensors
Model SEN0220
Wide-range NDIR carbon dioxide sensor with UART interface.
Gas sensors
Model SEN0536
Sensirion photoacoustic CO2 sensor that also measures temperature and humidity.
Gas sensors
Model SEN0231
Electrochemical sensor for measuring formaldehyde concentration in air.
Gas sensors
Model SEN0322
Calibrated electrochemical sensor for measuring oxygen concentration in air.