Good morning, IAQ versus accuracy looks as follows: I'm running in 3d / 3 second mode. No, power is not dropping, I have other sensors, which behave properly over time. I also can confirm, that I looked into the timing issue. Datasheet says, that you have to be in 50% of the timing, so maximum with a 3second cycle time is 4.5 seconds. I have put in checking code, that ensures, that this timing is kept and it has not shown any violation. rgds
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