| At the beginning of 2021, the Raspberry Foundation announced the Raspberry Pi Pico. As the readers of Elektor magazine know, this is not jus...
All items tagged with CO2 and ESP8266 (4)
| High CO2 concentrations can cause problems in areas of minimal ventilation. This CO2 guard offers a solution. The design, constructed with t...
| The CO2 Guard monitors indoor air quality (IAQ) by measuring the carbon dioxide concentration of the air. Keeping it below 1000 ppm helps mi...
| CO2 400-2000 ppm, 3 LED's , level/temp sensor logged to ThingSpeak, buzzer, ESP8266