Technology Solutions for Everyday Folks

March 2024 Archive

Creating a Differential Sensor In Home Assistant

Home Assistant Gauge Card indicating a temperature differential

If you've fiddled enough in Home Assistant over time, you might have encountered the situation in which it is useful to trigger off of, or simply display, a calculated value. There are a few different ways this can be accomplished but this post focuses on creating a specific sensor to do both: be used as a trigger value for automation, and also displayed neatly in a dashboard.

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