Simple tool to measure the CO2 concentration in a room to know when it's time to open the Windows
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)
The circuit diagram and PCB layout can be found here: https://easyeda.com/dherrendoerfer/co2-dice
The following directories are part of the project files:
- CO2-Dice: The Arduino project containing the bare-minimum sketch for the CO2 dice
- Cases: DXF files for making cases, stands, wallmounts for the CO2 Dice