Brain Phrye

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CO2 Sensor

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A while back I bought a CO2 sensor I could get readings off USB for. I finally deployed it in the office using a modified version of this and prometheus.

I’ll write up the code bit later but the graph of the first two days is interesting.

The initial, pretty flat bit is the weekend. And then people start coming in on Monday morning. One of the guys remembered to check it and then opened a window as we saw it was nearing 1,200 ppm.

Two days of CO2 readings