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Light switch advice
(lemmy.world)
Home Assistant is open source home automation that puts local control and privacy first. Powered by a worldwide community of tinkerers and DIY enthusiasts. Perfect to run on a Raspberry Pi or a local server. Available for free at home-assistant.io
If you want to skip wiring all together, pick up two Aurora Dimmers and put Hue bulbs in all your sockets. It's not the cheapest or most privacy friendly if you're using their hub. But going this way, you can put the dimmer near the fixture you want to control, you have no wiring whatsoever, connection to HA, and you're completely up and running inside of 30 minutes.
Seconding this, I have two aurora dimmers and they're awesome.