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This is the way. Especially if other people live in your house.

Look at this stuff as "progressive enhancement". Make the simple things work, then build on top of that. Don't replace the simple things with complicated, elaborate things. You don't want to live without lights for a week because a SD card died in a Raspberry Pi somewhere or something.

The overly complicated setup I'm using to run my smart home automation stuff shit the bed and I was too busy with work to really spend the time fixing it so... I just didn't. For six months. The only major complaint I heard was that the outside lighting was no longer turning itself on and off with the sun.

Even in the worst case scenario, all of the lights still have switches that can be turned on and off as long as there's power. It's all zwave, and I've made use of the scenes / direct associations / etc such that most of the stuff people actually care about happens without being mediated by Home Assistant. Or requiring any sort of network. When I move out of this house, I could leave it all behind and it would keep working as-is without my server, access point, active internet connection, or anything else. If there's power, it works.

All my living room lights (three dimmers) are controlled by a single dimmer.

The three way switches in our bedroom are now dimmers. One controls the lights, the other acts as a remote control for it.

The pantry light turns itself off after 20 minutes because people always forget it on.

Both the kitchen light switches turn on and off with the single, easily accessible switch.

The switch for the porch lights also turns the string lights on the gazebo a hundred feet from the house on and off.

My kid's too small to reach the regular switches, so there's a battery-powered remote switch mounted on the wall at her height in her bedroom and the bathroom. Those still work and are still able to dim the lights in her room.

Etc, etc. All without anything but electricity.

I said only _major_ complaint--my kid definitely had some complaints. We have one switch that has a couple of those RGB projector bulbs hooked up to it. When you turn that on, an automation turns off all the rest of the lights and starts playing some dance music. Her party lights still turned on, but it no longer made the music start.

If you want colour control then get smart bulbs to go downstream of your smart switches. Set them to always go to "on" when power's restored, and build that _on top_ with your automation. You'll always have a working light, your automation can always turn them on even when someone's turned the switch off like a normal person would, but when everything else is working you'll _also_ get colour control.



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