Home Automation

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Home automation is the residential extension of building automation.

It is automation of the home, housework or household activity.

Home automation may include centralized control of lighting, HVAC (heating, ventilation and air conditioning), appliances, security locks of gates and doors and other systems, to provide improved convenience, comfort, energy efficiency and security.

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Comparison of data from SHT30 and DS18B20 temp sensors (via Tasmota / HomeAssistant) (alien.top)

submitted 11 months ago by markfickett@alien.top to c/homeautomation@selfhosted.forum

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The DS18B20 seems to miss some rapid changes that the SHT30 reports, even though TelePeriod=60 for both. The thermostat on the wall near them (which they'll be replacing) reports 70F, closer to the DS18B20.

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[–] Z-Waver@alien.top 1 points 11 months ago (1 children)

Is the DS18B20 missing "rapid changes" or is the SHT30 spewing inaccurate readings? A 2 degree spike from one minute to the next is possible, but it looks suspiciously like a bad/jittery sensor. Especially so for a sensor that claims 0.2c accuracy.

[–] markfickett@alien.top 1 points 11 months ago

I wonder. In the couple days after this screencap the DS18B20 also had some weird spots where it jumped up above the SHT30, paralleled it for a while, and then dropped back down. So I'm inclined to treat it as a bit flaky, though for rough comparisons/tracking still useful (especially since it's cheap and 1-wire is easy to hook up).