| You can use a Raspberry Pi RP2040 MCU to measure air quality. It acquires data from a CO2 sensor and then transmits it via an ESP8266 to the...
| You can use a Raspberry Pi RP2040 MCU to measure air quality. It acquires data from a CO2 sensor and then transmits it via an ESP8266 to the...
| We have already featured a number of CO2 concentration meters in Elektor. Almost all of them feature a Wi-Fi interface so that you can check...