The following parts are required to build the CO2-Dice:
- A WeMos 8266 D1 mini board
- A Sensirion SCD30 CO2 Sensor board
- 9 WS2818B LEDs (part of a strip works fine) OR one of the assembled CO2-Dice PCB boards.
The hardware and software parts are licensed under the 'GNU GENERAL PUBLIC LICENSE Version 3'