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The original was posted on /r/homeassistant by /u/mashed50 on 2025-07-23 16:19:02+00:00.
I'm sure this will get me a few down votes, but I'm sure some will appreciate this.
For years, the deer have been feasting on my plants and nothing seems to deter them. I'm a newby to HA, and decided to get some decent Reolink cameras. I noticed that they do a really good job of detecting the deer every night and that got my creativity going. I put together an automation to turn on the lawn sprinkler whenever it detects the deer. Last night was the first run - it works great! They take off as soon as the heads pop up.
So before you flame me... I live in a retirement community. Everyone's in bed by 9. Even during the day, there's very little traffic and the speed limit is 15. I set the automation to only run in the dead of night. I guessing a few cycles of this will be enough to keep them away.
I'm really enjoying the possibilities with this stuff.