All items tagged with CO2 and microcontrollers (2)

€5 (FREE for Members)

| 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...

€5 (FREE for Members)

| 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...