Home Assistant

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The original was posted on /r/homeassistant by /u/wolf1043 on 2025-11-27 16:01:35+00:00.

In my office, we have a commercial Bunn two-pot coffee maker. The burners don't automatically turn off after a while like a home coffee maker. Staff keep leaving a dribble of coffee in a pot and leaving the burner on. It evaporates and starts to smoke, and then there's a high risk of the pot actually exploding from overheating.

I want some way of detecting either the low level of coffee in the pot combined with the burner being on, or detecting an overheating situation.

Any ideas?

I considered a camera, with an LLM interpreting the image.

Maybe a thermal imaging camera? I think those are big bucks...

Any other way to sense the temperature?