Strange jumps in MH-Z18B CO2 sensor values
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I have a MH-Z19B CO2 sensor (as part of the Candle system).
In the logs I see some strange sudden jumps between measured levels.

I don't think it's an issue with the code.
Could this be related to an internal re-calibration of the device somehow? Has anyone else seen something similar?
Or maybe the sensor is just dying?
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