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Thread: Running an independent/standalone LED Matrix display?

  1. #1
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    Question Running an independent/standalone LED Matrix display?

    This may not relate to Ledtriks directly but thought it was best posted here. I'm trying to find an inexpensive way to setup a simple LED Matrix display independent from the light show sequencing so I can have it continually display a few pages worth of stuff (FM tuning, show schedule, Happy Holidays message, maybe some semi-interactive info like weather or a running Kw/h total :P).

    Integrating it within the show would be neat but I'll be using an rPi running FPP located far from this display, and having the static info would keep me from having to add it to every sequence. The brute force method would be to use Vixen with Ledtriks but I'm trying to avoid using a computer (unless something like an rPi might work) to also help keep costs down.

    Seemed like Arduino might be a possible route since I'm largely just displaying static text. Any other thoughts perhaps?

  2. #2
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    Default Re: Running an independent/standalone LED Matrix display?

    Is something like this outside your budget range? http://www.ebay.com/itm/LED-Sign-RWP...item2a43e71315

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    Default Re: Running an independent/standalone LED Matrix display?

    Ah that would be a doable solution if I start running out of time I don't really even need graphics though. Basically just 1-3 lines of text. I was thinking something like these:

    http://www.aliexpress.com/item/Free-...791940107.html
    http://www.aliexpress.com/item/Free-...792070575.html

    For those I'll need to buy multiple panels I think to get the size I wanted. The color one is notably cheaper, which is kinda odd. It has fewer LEDs but still. I think I'd have to work out the pixel density versus size versus viewing distance to know.

    Adafruit had an example Arduino sketch I may be able to retrofit to a Spark.io core. Propeller might be another avenue, though I don't have any of that stuff yet (will likely get a programmer for the E1.31 boards I'll be using for the light show).

  4. #4
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    Default Re: Running an independent/standalone LED Matrix display?

    Once you have the matrix, "graphics" is for free - except for the programming aspect.
    Your panels are for indoors, and I was thinking for outdoors - like our cold Canadian climate.

  5. #5
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    Default Re: Running an independent/standalone LED Matrix display?

    Ah yeah actually having it outside would be nicer as it might be a bit closer to read. At that point, being on the lawn, I LEDTriks or a Pixel-based display may make more sense, though I'd have to integrate it into each sequence instead of being independent.

    My plan was to put it behind a window indoors. I wont be doing much with my windows for 2015 so it'll fill a gap with useful information, or so was my idea.

    Here in South Texas it doesn't often get below freezing, and not for very long. Quite a difference compared to Canada I would imagine, though, wow, it's been pretty chilly up in Colorado as well (I have some friends up that way). -23C!? I'm guessing that's semi common in parts of Canada, but damn that's cold!
    Last edited by m00dawg; 12-31-2014 at 03:44 PM.

  6. #6
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    Default Re: Running an independent/standalone LED Matrix display?

    You need to do what I did. Watch my videos and look on my garage door. Pm for more info.Screenshot_2015-01-01-01-47-54.jpg
    Last edited by rtrip9; 01-01-2015 at 03:48 AM.

  7. #7
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    Default Re: Running an independent/standalone LED Matrix display?

    I this is a perfect thing to run a stand alone pixel display

    Just use the program and save it to an sd card plug it into the box and away it goes
    Easy to update/ change in a hurry if you have two sd cards with different things on them

    http://youtu.be/8fTzvx9IIsg
    2016 pixel power RAF Wittering soon to be RAF Akrotiri
    Second new house in 12 months

  8. #8
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    Default Re: Running an independent/standalone LED Matrix display?

    You are familiar already with the FPP. Why not just get another and put your matrix sequences on it using an E6804 in the same box? With its own Pi, it would be standalone.
    Derek

    [URL="https://www.facebook.com/backuslights"][IMG]http://www.kiwimill.com/wp-content/uploads/2014/04/facebook.png[/IMG][/URL]

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  9. #9
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    Default Re: Running an independent/standalone LED Matrix display?

    Quote Originally Posted by derekbackus View Post
    You are familiar already with the FPP. Why not just get another and put your matrix sequences on it using an E6804 in the same box? With its own Pi, it would be standalone.
    That sounds like the best idea, using what you already know and can integrate or upgrade it in the future. Using the master / slave option you could run it static for most of the time and jump it into your sequencing once in a while. Depending on distance might even be able to use it wirelessly as well.

  10. #10
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    Default Re: Running an independent/standalone LED Matrix display?

    Oh hmm I didn't think about slaving the FPP on the LED Matrix. I didn't know you could even turn that off/on. That would actually be pretty neat potentially! A little more built out than I was thinking. I was looking at the Freetonics Arduino code (https://github.com/freetronics/DMD) which should let me stack some of the P10 style displays and keep things simple, albeit granted not as flexible.

    I think if I could build it cheaply enough for FPP that would be definitely the way to go. I'll have to do more digging, but it looks like some DIY panel solutions are available which may bring costs down? I'm also not yet familiar with FPP + DMX + LedTriks, though did start poking around the FPP forums on how that might work.

    As far as bigass displays on garages, definitely thought about that too but I don't think the Mrs. will let me go that far ;) I'm also curious - can those be made where the garage door can still work?

    Thanks for the help all! And also a Happy New Year!

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