I use this trick when i use 12V ws2811 (3 leds in series on one chip, so a “pixel” is 3 leds), i haven’t used a capacitor though. I also tried null pixels, then you don’t have to change anything in the software. I used it once to control 75 metres of led-strip, worked without a glitch on a raspberry-pi 2.
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this should be allright i think
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Looks right to me. Do you have the output pin in the web ui set correctly?
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That looks plenty good to me. Now I’m even more curious why it refuses to chooch.
Mine are still white. I haven’t looked at the actual strips, but they look fine when lit and the track/case is still white. It gets plenty of sun and snow.
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Troubleshooting tips and tricks
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This is an indoor cheap LED strip light. It does have a cover, but the led’s on the strip are what has turned from white to yellow. I will get a picture to show you.
The plastic over some of my LEDs are starting to change color and get a slight yellowish tint. The LEDs still have enough brightness to over come it It’s also only when I’m doing something that’s solid white that it’s noticeable at all.
Here is the result! Didn’t go for the ws2812b, couldn’t for the sake of all goodness figure them out. Went for a standard rgb-led with a remote. Hooked it up with a wifi remote relay, so that I turned it on using my phone, under the table, when father in law opened his gift and turned on his hoax-button. Unfortunately, there was heavy snowfall last night, so I couldn’t properly place it as it’s usually situated on a hearse. Still a great success, it was obvious to everyone what was going on!
Mpg seems to not upload.
Merry Christmas/happy holidays/happy Hanukkah to all you bastards! I appreciate you a lot.
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Last month I built a mantle for our fireplace. Over the weekend I added led lights to it.
I cheated and went with Kasa strip lights.
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Pretty slick. It is out of stock though. I wonder what it costs.
I made use of some old H801 modules in some small installs. I added a write up on how here:
I plan on bringing one to rmrrf for the zxy table.
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Not to revive an old thread but I just made one talking about this! How much did this cost you all? If anyone remembers
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I don’t remember and it was a few years ago. But my guess is under $500, over $250. I had a bunch of the parts already.
I have another dead pixel in the same spot that I’ve repaired twice. My repair doesn’t live through the seasons, I guess.
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Is it just water damage or unknown cause? If you can muster the smell while curing liquid electrical tape is great in all the “water electrical” senecios I’ve been in.
Could it be a power issue? Is that where you are injecting power, possible overload?
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It isn’t power. I can’t remember what I figured out last time but I remember thinking, “If that patch doesn’t hold, I’ll do something different next year”. But I can’t remember what I learned 
I think the entire line is expanding and contracting, and the physical stretch is causing a break where I hand soldered in a new strip of one LED. I remember borrowing a ladder last year. I am probably going to buy one now so I can be sure it won’t be a problem again.
I’m going to prepare some new patches with a small amount of wire for some physical stretch protection.
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Man that’s one of those things you’d probably never think about. But definitely could cause the issue if your climate varies in temp/moisture
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Mine is breaking at a seam in the metal channel. I think it moves around in high wind and breaks the pixel that’s stuck right there.
If I had to do this over, I think I would have figured out how to have the LEDs start and stop at each edge of the channels. Then I could take a whole channel down if I need to work on it.
I had to fix 3 bad pixels this year. One you could easily tell was water intrusion. Then there was this one again. And one more further down the line. The last one was close enough to the end that I just replaced the rest of them instead of patching one in.
I also discovered that water intrusion was rotting out one of my wire jumps where I went from one overhang to the next.
The 5v60a cheap power supply I was using to power the lights also died on me this year. I replaced it with a Meanwell one. It’s funny how the nicer power supply is half the size of the cheaper one.
I used more hot glue this year and sealed up more of the lights.
Here’s a picture of one of the bad pixels.
A fuse also went out in the power box I built for running all of the blow ups. I had to pull the cover off to replace the fuse. I really need to build a smaller power box for this. I originally intended on doing a lot more with the box and discovered it was better left as a single use box.
I’m only running 6 blow ups right now, but the PS has overhead to add more. Each blow runs around .5-.6 Amps. I want to put aircraft connectors on the side of the box for plugging in so I don’t have to reach under the box to try to do everything.
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Speaking of blow ups… 3 of mine seem to be filling slower than they used to. I’m assuming the fans are slowly going out. Has anyone ever replaced one of these fans? I assume I need to get one that’s somewhat ‘waterproof’ and not just a cheapie like I’d use on a 3d printer.
That’s really helpful. I guess I should be thankful it is only this picel each year.