| 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 COVID-19 and CO2 (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