I'm currently designing a system to replace my room thermostat. In looking for parts/modules I came across several options for measuring temperature:
- Fairly accurate temperature
- Temperature (fair bit less precise) + barometric pressure
- Temperature (less precise) + relative humidity
Which got me thinking:
- Is temperature (electronic measurement) an absolute thing? Or is it influenced by relative humidity? Or barometric pressure for that matter?
- How big an influence is relative humidity on the human sense of temperature? My intuition says it can't be ignored. If I am correct, how should I incorporate this into the algorithm that controls the central heating system? (Just enough to put me on my way, I'll work the details out myself if need be.)
- How big an influence does relative humidity have on a house's heating curve (relative to the heating system's curve)? Is it negligible, or should I account for it?
Where do I ask these questions?
1 is something for both the physics site (the theoretical side) and the electrical engineering site (how these sensors work, and how other factors affect its accuracy), I think. Am I correct?
2 calls for someone familiar with biology, who also has an understanding of algorithms (maybe mathematics, or IT?). What site can I find someone like this on?
3 is a thermodynamics thing I guess. Is this for the physics site as well?
The answers to these three questions will help me determine what to buy.