Flashing Matrix Problem

Store Forums RGB Matrix Backpack Bugs/Problems Flashing Matrix Problem

This topic contains 4 replies, has 2 voices, and was last updated by  Michael 2 years, 10 months ago.

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  • #8527

    mdm
    Participant

    I’ve installed the backpack on a 16×32 from Tinkersphere. Running the shapes demo it flashes (yay) but just cycles through a series of different color full-screen flashes with a few shapes (can’t quite tell what they are).

    Is that a programming issue? It looks to me like it should just cycle through the setup code, and set of flashes, once, and then be left with some text.

    Maybe the device is restarting? Any clues?

    • This topic was modified 2 years, 10 months ago by  mdm.
    #8529

    Michael
    Keymaster

    Which code are you running on it? I’m not clear.

    Did the backpack work with the code that was pre installed on it?

    Did you buy the backpack from us or Tinkersphere?

    #8530

    mdm
    Participant

    Hi Michael.

    I bought the backpack from you. I am running the Adafruit software
    // testshapes demo for Adafruit RGBmatrixPanel library.
    // Demonstrates the drawing abilities of the RGBmatrixPanel library.`

    Downloaded latest from github.

    Oh, and I don’t know if the panel worked with the code shipped on it. I hooked it up wrong to my first panel and uploaded the new code thinking that was the problem. It was not…

    • This reply was modified 2 years, 10 months ago by  mdm.
    #8534

    mdm
    Participant

    SOLVED

    I had neglected to redefine the latch value as is advised.

    This change is needed in the code:
    #define LAT 10

    #8535

    Michael
    Keymaster

    Ok, good to hear. Have fun.

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