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How would I make a HVAC simulator to see what a thermostat would do if the indoor temp was 425°F (frozen pizza cooking temps) (reddthat.com)

submitted 5 days ago* (last edited 5 days ago) by batvin123@reddthat.com to c/askelectronics@discuss.tchncs.de

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I bought a nest gen 2 thermostat to play with a open source project that revives old nest thermostats (https://nolongerevil.com/). Since I don't want to install it into the home, because it will be a toy. I was thinking of building a test rig using a arduino or esp32 to simulate a HVAC and indoor temperature. I'm IT guy, not a HVAC guy, I think this would be a good learning project. Any suggestions?

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[–] rain_enjoyer@sopuli.xyz 1 points 5 days ago

thermistor is just a resistor that has resistance varying with temperature. often that relationship is linear over a reasonable range, like with Pt100, and you can probably get away with using potentiometer instead. that said you have to figure out what you have there, because there are many options