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DIY Pixel Snowflakes! :-) (with How-To video)

Started by idleup, November 19, 2015, 11:03:07 PM

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NEW for 2015 Pixel Snowflakes. Great impact, impressive effects. Learn to build it DIY. Better than anything commercially available:

Matt Johnson
2014 Contestant on ABC's "The Great Christmas Light Fight"


How did you "wire" the pixels? Is it all one continuous string with extra wire length added in between snowflake arms?  (the video speedup is great for time compression but not for following your pattern)

A screen shot of your xLights/NC custom model would probably be the easiest explanation.
Long time Falcon, FPP and xLights user


The way it is wired is a single strand of 192 pixels but powered from both ends of the strand. After creating this video I actually injected power a third time midway through the strand. When you have a strand that long and the first and last pixels overlap one another voltage drop is noticeable and it bothered me. You could get away with powering only the first and last though.

As for the model. I use Vixen 3 so I don't have NC model, sorry.

Matt Johnson
2014 Contestant on ABC's "The Great Christmas Light Fight"


I was curious about the pattern you used to put the pixels down. It looks like you needed to add extension wires to get between snowflake arms.

I can see a way to lay them down without any wire splicing, but it would make getting the pixel order in a model a little tougher.
I don't use Vixen 3, but in an xLights/NC model, you only have to create it once (Pixels 1 thru 192), then the First Pixel address handles the offset for any duplicate snowflakes.

Using the 3 wires, allowing the pixels to nest between wires, is a good idea for long term stability.
Long time Falcon, FPP and xLights user


I am able to use a continuous strand to lay them down. The reason you see me soldering is because on the snowflake I used when recording this I used fragments of many pixel strands I had left over from cutting down other ones. The way it is laid out is each arm is a loop of 24 pixels and the 1 and 24 are side by side, then 2 and 23, etc. as it goes up the arm and the branches.


Very nice  ;)
I followed your how to for a matrix ( built 4,  picture attached) and the detailed insructions  are great. I cannot wait to build some of these, next year though. Thankyou for the great info.


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