Home Assistant

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The original was posted on /r/homeassistant by /u/pregohenry on 2025-08-01 20:06:12+00:00.

I wanted to share a neat automation I just created. I wanted to make it so a fan (IR controlled) could follow me around the room, specifically from when I'm at my desk to my bed. I used the MTR-1 Multi-Target Radar Multisensor from Apollo Automation because it can provide an "angle" sensor to its presence-sensing capabilities. I mounted the sensor on the fan and then set up an automation that, if the angle were above or below a certain threshold, the IR blaster would send a signal for the fan to swing and send another one when the angle was in a certain range. Hope someone else finds some benefit from it!