CO2 meter with ESP8266
CO2 (carbon dioxide) is a dangerous gas for humans. In high concentrations it can cause dizziness, headache, high blood pressure, rapid heart rate, asphyxia and unconsciousness.
CO2 (carbon dioxide) is a dangerous gas for humans. In high concentrations it can cause dizziness, headache, high blood pressure, rapid heart rate, asphyxia and unconsciousness.