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I'm a bit late to the thread, and unfamiliar with the design, but that advice looks a bit fishy. The first part is an i2c memory, the second is spi....

Looking at the file BBB_16_Flex.CuTop.gbr from github, it appears that Pin 1 of U3 is on the lower-left of the component layout.

What exactly are you trying to do? I'm guessing that you are attempting to use the files that Scott placed on github to have jlcpcb fabricate the...

That?s a good idea. I think I?ll decorate my parents indoor tree with them. They like the lights that flash different patterns. Sent from my...

I find stuck-at red pixels to be fairly common.

I'm trying to use JLCPCB to create the BBB_16_Flex version of this board. I'm running into an issue though when I get to the product placement...

As for the color problems, you might be able to redeem with an aggressive curve on each color but I probably would just relegate them to an...

I just tested with power injection and it still does the same thing as videos above.

The wire gauge and cca(?) wire doesn't explain why one red pixel is on all the time. Did you figure that out?

It looks like most all of the sequence vendors are having big sales this weekend also...:biggrin2:

Turn them on at full white. If you see the string change color towards pink over the length of the string then you have a power injection issue.

One thing I did realize from the pixel strands that I?m having trouble with is when I used test patterns ?green fade & blue fade? that when the green...

This is fairly typical. It is one of the reasons some of us do aggressive power injection.

The wire in those particular pixels is anywhere from 28 gauge to 22 gauge, nothing bigger. Plus, copper & silver wire was used. I used Click-Its at...

So, you have different gauge wire. Why does that matter?

I really like the Genius controller. David Peace from Experience Lights has been helping me also, trying to figure out what is happening. He?s been...

Be sure to use dual wall heatshrink on your soldered connections and over the cable. This will help to keep moisture out.

Thank you, I ended up using the USB Hub to get things working. Was able to get the USB Ethernet adapter and dongle to connect at the same time. ...

Waterproofing is a good point for me to consider. I live north of Dallas TX. At holloween and Christmas you have two types of weather, beautiful and...

I don't have a Genius board or access to their manual. Use the contact information you have from them to ask how it works and if that is the problem.

I would suggest you get a USB Ethernet adapter with a built in USB hub. This way you can configure the K4 through Ethernet while your USB dongle is...

Yes, it happens on every port of Genius. I have 50 pixels then 20 soldered to mini tree - extension cable - 50 pixels then 20 pixels soldered to...

Thank you for all the information. I've included a short video showing that the (1) red pixel is pulsing. Pixels are all WS2811 (1st batch of...