Govee
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Setting up a Govee H5075 for RV monitoring
The cheapest way into RV monitoring is a sensor you can buy anywhere. Here is what the H5075 broadcasts, what we read from it, and the one setting that stops it working.
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Put a bottle of water in the fridge and watch that instead
An air sensor in the fridge alerts on every door opening. A probe in a bottle of water alerts when the food is actually warming, which is a different and much more useful thing. Five methods, and what each one cannot see.