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Pixel strip for matrix

Discussion in 'RGB Lights - Intelligent Pixels and 3-Channel RGB' started by mborg10, Jan 24, 2014.

  1. mborg10

    mborg10 Michael Borg

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    I'm looking at creating a pixel matrix of high density. My plan is firstly to create a matrix 2.5m long (1/2 a strip) running of a p12s. So too start with only 6 strips. 12 pixels high. Then add to it in the upcoming years making it taller. Because if this I want to get the highest pixel count from a strip I can.

    All my display so far is ws2811 and dc12v but I can't seem to find anything with a high pixel count.

    I did find this one though
    http://m.aliexpress.com/item/1342925458.html?tracelog=storedetail2mobilesitedetail

    Also what is better, strip in silicone tube or strip in silicone coating. I think a few years ago I had some white LEDs in silicone coating and I found it really hard to solder so I have up.
     
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    mborg10

    mborg10 Michael Borg

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    Or maybe this one
    http://m.aliexpress.com/item/1343074133.html?tracelog=storedetail2mobilesitedetail

    But get Ray to cut it at 172 pixels and have 12 strips
     
  3. fasteddy

    fasteddy I have C.L.A.P Global Moderator Generous Elf

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    If you really want very tight high density you can get a 144 LEDs per metre using the 2812B chip. I would ask ray how much it would be with the silicone coating as this one doesnt have any coating.

    But thats by far the highest density strip that I have seen in pixel strips

    http://www.aliexpress.com/store/product/144leds-m-WS2812B-5050-rgb-led-with-WS2811-IC-built-in-led-pixel-strip-DC5V-2m/701799_1495929447.html

    or

    http://www.aliexpress.com/store/product/144leds-m-WS2812B-5050-rgb-led-with-WS2811-IC-built-in-led-pixel-strip-DC5V-4m/701799_1192519314.html
     
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    mborg10

    mborg10 Michael Borg

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    That's in tense. I wanted to at least get a 2m straight length from 1 universe. So 80 pixels per m would be about right.

    Hmm now you got me thinking 144 per/m could work if I use a p2, but how often would I have to inject power. Would I make it thru 288 pixels without power injection.
     
  5. vincerules

    vincerules Full Time Elf

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  6. Travis

    Travis New Elf

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    mborg10

    mborg10 Michael Borg

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    At the moment I'm leaning towards 60 pixels per m. 2.5m long 12 pixels high. I know it's not massively tall but I want to use it for scrolling text. Next year I'll do 24 pixels high the maybe 36 year after that.
     
  8. vincerules

    vincerules Full Time Elf

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    Here is my matrix. I ended up doing 14 rows by 90 pixels. If I was doing it over I would have done 85 pixels (2 rows per universe) instead, and then I could have done 16 rows. I used one ECG-P2 to control the matrix.

    I decided to use pvc and I stained it "black" using this http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=260720985413#ht_772wt_1174
    The black stain ended up being more dark blue, but that was fine with me. My matrix went on my roof and I didn't want the white pvc to stick out like a sore thumb during the day.

    I was really happy with the matrix, scrolling text looked great.

    [​IMG]
     
  9. toozie21

    toozie21 New Elf

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    That looks great! Any issue with it or lessons learned?


    I am planning on making a 20x72 matrix out of 30LED/m WS2811 5V pixels (my first dabbling into pixels). I mostly want to scroll text (a Christmas countdown), but since it has the ability to do more, I hope to expand on it.


    I am still trying to figure out how to mount it before I take the next step.
     

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