I want to create a differentiation helper so that when the humidity rises by a percentage, I can trigger the extractor fan. I have it working on an automation like this:
But this is based on a fixed number rather than a change. I think I need to create a sensor based on the humidity first, but whenever I try to create a template for this, none of the code examples or your example parse.
I am a bit confused as some of the documentation seems out of date as well.
@Cyclobob, your automation settings look good for me. I think you can remove for seconds:3, because that automation should turn_on the switch once humidity has changed to some number above 62. Does it work for you?