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ZigBee RGB Lightbulb w/o 3rd party app
(lemmy.ml)
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
I've been using the ~~Sendled~~ Sengled E11-N1EA bulbs available on Amazon for quite some time now. They have a bit of a cold white edge to them and could maybe be a bit brighter at times, but overall I've been happy with them.
Mine came in a 4-pack. I have two inside in table lamps, and two outside in coach lamps.
I've had 10 of the RGB ones, E21-N1EA, for a few months now and they've been working perfectly. Not the brightest or the most accurate color, but they're simple, cheap, and local-only.