I want to find a weight sensor that can report to ha. We have a gas hob in the kitchen and the gas bottle is hidden in a kitchen cupboard. I want to get a warning when the gas is almost gone so I can change bottle. Anyone know a sensor that can be connected to ha?
You could use a loadcell and esp board.
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Have a look here: https://github.com/Skaronator/ESP8266-Load-Cell and here https://github.com/newAM/LoadCellOccupany/
latter includes HA YAML