For a cheap or free solution, you could detect when your TV is on (Chromecast integration, home kit TV integration, etc. or power monitoring smart plug) and don't turn off the lights if the TV is on.
this post was submitted on 29 Mar 2025
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I already have this set up and it works well. Sometimes I turn the TV off and stay in the room on my laptop for a while, and the lights turn off. It's easy enough to turn them back on but I'm wondering if mmWave could help.