this post was submitted on 17 Jul 2023
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Circadian vs “dim to warm” (lemmy.world)
submitted 1 year ago by [email protected] to c/[email protected]
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I just read a great article about a company wanting to do Circadian lighting on the International Space Station! It was very inspiring, so now I want to look into automating that. Up until now, my priority has been smart switches (both Zigbee and Z-Wave) and voice control, but I also have an automation to dim when it’s bed time.

Can anyone compare Circadian vs “dim to warm”, by how happy you are with results, cost, complexity? I guess I’d have to get all new bulbs either way, but I’d have to rewire and reconfigure switches for smart bulbs to do Circadian and I’d have to actively automate, vs “dim to warm” would just do it

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[–] [email protected] 1 points 1 year ago (1 children)

there are new dimmable LEDs that automatically change to whiter when bright and warmer when dim

I love the idea of these bulbs. I'm using the adaptive lighting component so my bulbs' temperature and brightness are always correlated anyway. For light fixtures with more than one bulb, a single smart dimmer could replace a whole zigbee light group.

However, are there any bulbs on the market yet with a good temperature range? So far, the only ones I've been able to find are Philips Warm Glow lamps that only go from 2200K to 2700K, which is way too warm for daytime use.

[–] [email protected] 2 points 1 year ago

Test, please ignore.