Hi!
I need some start-up help with 3 “issues”.
First I want to create a 3 level switch for my mechanical ventilation. I have a sonoff 4ch module to do the trick.
CH 1 on = Fan low speed
CH 1+2 on = Fan Med Speed
CH 1+3 on = Fan High speed
All channels of = Fan off.
I have tried to do this in node-red. But i did not work properly, I needed to click multiply time to get a situation witch i programmed on the button.
Or do I need to take it all to MQTT?
Then there are the custom-cards, I have installed HACS but I don’t know how to add an custom-card or create one? Is there a simple tutorial for this? I’m only getting an error in the lovelance dashboard.
I want to add my Alarm system into home-assistant (for thath I need a Digital input(alarm notification) and a digital output(set alarm on/off)). What hardware is recommended for this? I have a lot of shelly products in my home right now.
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