LoRa CO2 sensor demo

AQI index computed from a WheatherDuino station

Measuring of CO2 concentration, relative humidity, temperature and atmospheric pressure

Essai ESP8266-12E

Skoltech_Innovation_workshop_IoT_group_3: perform an air quality analysis of a meeting room and predicting its readiness for the next meeting

CO2 meter connected on an Arduino

Air check system (CO2-K30 \ Dust-PMS5003)

CO2 level, mh-z14a

AIR QUALITY MONITORING AND CONTROL

Aquário 100l - Água doce - Plantado......................... (CO2 11:15 - 21:00).................................................... (Luz 15:00 - 23:00).......................................................

projeto passivbox

Proyecto domótica, Ubicado en Bogotá Colombia

CJMCU Board with CCS811 CO2 Sensor, Temperature and Humidity HDC1080, Barometric pressure BMP280

home CO2 status

This channel (https://thingspeak.com/channels/322661) reports the CO2 or pollutant level returned by an MQ-135 sensor. You can compare this with the average atmospheric CO2 level available at https://www.co2.earth.