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Thread: Help with displaying video on WS2812B LED strips display with 1600 LEDs for a charity

  1. #1
    Junior Member
    Join Date
    Nov 2020

    Help with displaying video on WS2812B LED strips display with 1600 LEDs for a charity

    Hello everyone,

    I am in the process of building a LED strip based display for a local charity. My goal is to be able to take video files and display them on the LED strip display. My initial research has lead me to purchase Teensy 4.0 with OctoWS2811, and attempt to use the Processing movie2serial and the Teensyduino Videodisplay. However, while I have the Teensy 4.0 and OctoWS2811 working for basic tests to the WS2812B ECO LED strips, I am not getting proper video display working using movie2serial and videodisplay.

    What recommendations would you make for the combination of software and hardware to make this work? If you believe the current combination I am working on should work fine, any suggestions on why the video pushed to the LED strips would result in a very random looking pattern of random colors instead of what the video should look like?

    Thank you,

  2. #2
    Senior Member+ MichaelMeissner's Avatar
    Join Date
    Nov 2012
    Ayer Massachussetts
    I've been wondering whether HUB75 pixel matrixes might be more effective and cheaper than the large WS2812B/neopixel displays. I just got a 64x32 display from Adafruit with their adabox 16 product, but I haven't done anything with it yet. I did order the new Teensy 4 V5 smartled shield, that should arrive in a few weeks:

  3. #3
    Administrator Paul's Avatar
    Join Date
    Oct 2012
    Closing this duplicate thread. Please continue conversation here:

    FWIW, the OctoWS2811's movie2serial.pde was hard-coded for the internal format used on Teensy 3.x. I've added a new VideoDisplay_Teensy4 example to OctoWS2811 to allow movie2serial.pde to work on Teensy 4.x. It fully solves the "random colors instead of what the video should look like" problem.

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