| The CO2 Guard monitors indoor air quality (IAQ) by measuring the carbon dioxide concentration of the air. Keeping it below 1000 ppm helps mi...
All items tagged with CO2 and COVID-19 (3)
| Many young children cannot get vaccinated, so they will be the next most vulnerable group during the Pandemic. As a result, regular ventilat...
| CO2 400-2000 ppm, 3 LED's , level/temp sensor logged to ThingSpeak, buzzer, ESP8266