this post was submitted on 22 Aug 2023
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Automation based on brightness (discuss.tchncs.de)
submitted 1 year ago by monolift@discuss.tchncs.de to c/homeassistant@lemmy.world
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So, I want the following to happen, does anyone have any advice the best way to make the conditions in HA?

If it’s bright outside, close the blind and turn on the light If it’s dark outside, close the blind and turn on the light If it’s anywhere in between, keep the blind open - if it’s ‘dark enough’ turn on the light as well.

I haven’t bought any lux sensors yet. I do believe it’s a lux sensor I need. Can I make this automation with 1 (pointing outside and using that value to control both the light and blind) or would I need to have 2? (I assume, one pointing outside controlling the blind, the other in the room controlling the light?

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[–] OminousOrange@lemmy.ca 1 points 1 year ago

I've made an automation that uses sun azimuth as the trigger (window is otherwise shaded), with outside temperature and cloud cover conditions so it'll stay open if it's cloudy or cool outside. You could add cloud cover triggers to activate while the sun is in the azimuth range to open the blind if it goes from sunny to cloudy too. Toggling the light can be an action alongside the blind.

I use the met.no integration for temperature and cloud cover entities.