(Topic ID: 245976)

How big is too big for a dmd + how to guide

By Evilelement

4 years ago


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    #14 4 years ago

    Cool! Only drawback is it's a bit too pixelated at that resolution. If it were in higher res like CGC style, I'd prefer this to the current Stern LCDs and translite, which I'm not a fan of: the relative geometries result in a weird aesthetic and the charm of DMD graphics and animation is gone.

    #58 4 years ago
    Quoted from CLEllison:

    No expert here, but a quick read on specs shows the lower the P number the higher the pixel count. So with that being said, this is the same size but a P2. That certainly would help out with a higher res right? (Ssme dimensions 320x160) next question where would I get colored stuff for my LOTR?
    ebay.com link » 128 64 Pixels Led Matrix Rgb P2 5 Indoor Full Color Led Display Module 320 160mm

    That's making some pretty big assumptions: I'm skeptical that just hooking up two of those displays that it would magically extrapolate a 128x32 signal.

    Even if it did, that's not going to magically increase the resolution either: the source is still 128x32. What does it matter if one dot is now displayed as 4 pixels? If it worked, it'd be a similar effect to switching from Dots XL to Tile on a ColorDMD LCD.

    Among others, the question you'd need to ask is "where do I get high res DMD graphics for LOTR?" Answer: nowhere. You'd have to create new source graphics like CGC does with their remakes.

    #60 4 years ago
    Quoted from russdx:

    The P number is just the led pixel pitch ie 2 = 2mm 3 = 3mm just need to make sure the resolution is 64x32 so 2 panels will create a 128x32 pinball dmd, also noting you usually need 16 line scan (Not 32) and hub75 (as few have some other weird pinout)

    Right, he linked 128 x 64 displays and is talking about getting better resolution...

    What you're talking about also isn't resolution, that's just like going from Dots XL to Dots on a ColorDMD LCD.

    1 month later
    #71 4 years ago

    It's unfortunate these displays use 2121 LEDs, that's 2mm of LED in 5mm of space. That's a bit too much space at pinball distance. I wonder if any displays use larger LEDs.

    Also, if anyone needs some of the magnetic mount screws, I have extra, can sell a set of 12. These took forever to arrive, like 60 days. The displays arrived quickly.

    1 year later
    #94 3 years ago

    No, won't work: you need the LED DMD controller to convert the signals.

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