| Want a do-it-yourself solution for taking indoor air quality measurements? This eCO2 Telgram Bot sends alerts to a Telegram account to keep...
All items tagged with CO2 and ESP32 (3)
| This gas detector shaped as a traffic light gives an indication of when to open the windows in a room with a lot of exhaled and thus possibl...
| A cheap Traffic-Light-style gas detector (ESP32 + CCS811 + 3 LEDs) that gives an indication of when to open the windows in a room with a lot...