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 popular ThingSpeak cloud platform.

Raspberry Pi RP20240

Even after the announcement of the Raspberry Pi Pico, there were a lot of controversial discussions on the Internet. While one party euphorically welcomed the new controller, the other party immediately drew attention to the lack of functionality from their point of view. Elektor tried to give a more neutral overview here. But at this time, the evaluation was often highly polarized, and there was hardly any space for differentiated opinions.

In the meantime, Arduino came to the market with the Arduino Nano RP2040 Connect. The RP2040 microcontroller enhanced by a ublox NINA-W102 radio module builds a complete IoT device with Wi-Fi and BLE connectivity. If you use the Arduino Nano RP2040 Connect in a project, you will probably also use the Arduino or the PlatformIO IDE. Both do not ...