MHZ-19 CO2 Sensor & MBE680 Air Quality sensor with an ESP32
Its for store timestamped data and give some climate variables of Tuxtepec, Oax.
This channel measures Temperature and humidity with a DHT22 and PM2.5 &10 with a SDS011. All with an ESP32, an MQTT and a Node-Red server.
A battery operated device to measure PM2.5 in the local area at regular intervals.
E+E EE871 Sensor CO2 Measuring principle non-dispersive infrared technology (NDIR) DC:4F:22:17:FB:35