CO2 Mini Kit for micro:bit _RPI_CAB_ETH 2025 - we've revised the

2025 - we've revised the backpack to now have Stemma QT connectors for easy plug-and-play of matrices once they are soldered together

and it's been reborn as the NeoTrellis 8x8 Kit pack

2023  We have updated this PCB with Adafruit Pinguin to make a lovely and legible silkscreen - you may get the new PCB or the older version with vector fonts - both are identical other than the fancy silkscreen

a USB Micro-B connector

For connecting with Raspberry Pi or other host boards

CO2 Mini Kit for micro:bit _RPI_CAB_ETH 2025 - we've revised theThis 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