Temp, Humidity CO2 sensor and library.

Using Arduino Sensors
164

@ cope :

get this in your setup

// czr.SetOperatingMode(CZR_POLLING);
 //czr.SetOperatingMode(CZR_STREAMING);
// czr.CalibrateFreshAir();
  1. uncomment the operating mode you want -> upload
  2. comment the operating mode again and uncomment CalibrateFreshAir() ->upload
  3. comment CalibrateFreshAir() ->upload
    and it should work