Environmental sensors

CCS811 air quality sensor - VOC and CO, I2C, 3.3-5 V

CCS811 HDC1080 sensor module - CO2, temperature, humidity, I2C

BME680 sensor module - temperature, humidity, air pressure, gas, 3.3-5.5 V

MQ-3 alcohol sensor - 0.04-4 mg/L ethanol, XH2.54 3-pin

MQ-2 gas sensor - methane and flammable gases, 300-10,000 ppm

ZH03 fine dust sensor - laser, PM1.0, PM2.5, PM10, UART

MH-Z19B-compatible CO2 sensor - 0-5000 ppm, 4.5-5.5 V, pin header

Nova Fitness SDS011 Fine Dust Sensor - PM2.5 and PM10, UART, 5 V

GY-SGP30 air quality sensor - eCO2 and TVOC, I2C, 3.3-5.5 V

MQ-4 gas sensor - methane, 200-10,000 ppm, 5 V

SCD40 CO2 sensor - temperature and humidity, I2C

Gas sensor set - MQ-2, MQ-3, MQ-4, MQ-5, MQ-6, MQ-7, MQ-8, MQ-9, MQ-135

MG811 CO2 sensor module - 0-10,000 ppm, analog, 5 V

MQ-2 gas sensor - methane and propane, 5 V, XH2.54 4P

Wemos D1 mini Pro sensor kit - 15 sensors, Wi-Fi, 16 MB flash

SCD41 CO2 Sensor - Temperature and Humidity, I2C, 3,3 V

Grove SCD30 CO2 sensor - with temperature and humidity, I2C

MH-Z14 A CO2 sensor - infrared, 0-5000 ppm, 5 V

Grove MQ9 gas sensor - CO and combustible gases, 10-1000 ppm

DFRobot Gravity NDIR CO2 sensor - PWM, 400-5000 ppm, 5 V

DFRobot Gravity STCC4 CO₂ sensor - I2C, 3.3-5 V, with SHT40

Grove - CO2 Sensor (MH-Z16)

MQ-135 gas sensor - air quality, 10-1000 ppm, 5 V

MQ-7 gas sensor - 20-2000 ppm, 5 V

MQ-3 alcohol sensor - 0,04-4 mg/L, analog output, 5 V

Funduino Sensor Kit 15 in 1 - modules for microcontrollers

MH-Z19C CO2 sensor - NDIR infrared, 400-5000 ppm, UART and PWM

MQ-9 gas sensor - carbon monoxide and flammable gases, 5 V

MQ-5 gas sensor - LPG and natural gas, 200-10,000 ppm, 5 V

SHTC3 temperature sensor - humidity, I2C, 3.3-5.5 V