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How to create home lighting system in a tight budget
(lemmy.world)
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this post was submitted on 12 Dec 2024
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1 to 3 Watt in stand-by mode for s lamp that draws somewhere between 7 and 15 Watt when on. That's roughly like leaving the lamp on for at least on hour and half each day when nobody is home in the best case.
I have an old wifi yeelight, measured it now because I was interested. 1.4W off, 8.4W full power
For comparison, Ikea zigbee bulb 9.3W max power, less than 0.1 W while off, but switches on instantly. My watt meter can't measure less than 0.1W so it shows 0.0W.
Zigbee was designed for this kind of usage. I have several zigbee sensors running on 3.3V coin cell batteries, they can report data for years without battery replacement.