The SMOG sensor project became a bit complex – along with the addition of relay. In the mean time thanks to Gijs Noorlander and yours- since you build, ask and use the sensor – we got updated version of ESPEasy MEGA 2.0 for ESP8266.
Why the new blog entry? That’s because Gijs added the included in SDS011 function that when sent over serial connections allows to put SDS011 to sleep. Simple, elegant solution to extend the life and quality of the measurements of the SDS011 – better than relay approach.
Now, just by means of connecting extra jumper cable we can go back to a simpler version of the sensor – a union of first version with addition of the temperature and humidity sensor form the second one.
Continue reading ESP8266 and SMOG part four: Sleep mode for SDS011 in ESPEasy MEGA 2.0