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4

OK, based on some digging into the old and the new standard, and assuming I did the math right, here's what I think is the answer. TL;DR: The old A++ label roughly corresponds to the new A–E (and maybe F) labels, while old A+ corresponds to new E–G. Anything below A+ in the old system falls under G (least efficient) in the new system. The difficulty with ...


4

LED Strip: CHINLY WS2812B (HC-F5V-30L-30LED-W) 5V Power: 9W/M Tested @ 15% power Cheap Cheese junk, set your expectations accordingly. This isn’t an AC mains application, so I am not too worried about safety. Anything that touches AC power must be UL listed. Why does only the first LED come on and and stay red? It’s defective or has failed. Given the ...


4

Why does only the first LED come on and and stay red? The first LED in the strand was likely damaged by ESD, sticking it on red and preventing data from passing along to the LEDs downstream of it. This is a pretty common issues with WS2812 strands from my experience. The fix would be to replace the first LED or simply remove it and make the next LED the ...


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IMPE, it's virtually guaranteed that the dimmer is the cause. I opted to get LED dimmers, because the LED units I got were dimmable. "Why not?" The nasty bits not mentioned: include does not go to full brightness, at least 1/2 second perceptible delay (at full brightness) with my dimmer/lights combination (.vs. normal instant with a normal switch) ...


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