CO2 Mini Kit for micro:bit _RPI_CAB_ETH They are third-party tested for

They are third-party tested for the equivalent of over 10 years of UV exposure

a USB Micro-B connector

a lot of users were asking "why not create a 6502-based machine

5V alkaline AAA batteries

CO2 Mini Kit for micro:bit _RPI_CAB_ETH They are third-party tested forThis CO2 sensor board connects to the micro: bit through ring connectors and functions as a true CO2 sensor, providing accurate measurements of CO2 levels, temperature, and relative humidity. To make things more helpful when working out the different levels of CO2, the LED produces three different colours Green, Orange and Red. It also includes reverse polarity protection, adding an extra layer of safety to your setup. Note: micro: bit is NOT included