CO2 Traffic Light

We have recently written about using the AirGradient PCB with an S8 CO2 sensor as a CO2 traffic light.

You can read the instructions here:

In case you have any questions or suggestions, please discuss them here.

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We are also currently working on a larger LED matrix in the CO2 traffic light.

Here is a small preview:

Stay tuned.

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Nice Idea! Please keep us updated!

We just launched the official built for the CO2 traffic light.

Please let me know your thoughts, questions etc.