extreme flickering after working boot animation

  • Hi,
    my name is dominik and i am new to this forum.


    i have a strange problem and i do not get this fixed since 3 days.


    hardware:
    rpi3b+
    ws2812b stripes
    meanwell LPV-100-5 PowerSupply 5v/12A


    software:
    libreelec with hyperion.ng


    the startup/boot animation works flawless, but then it flickers or does nothing at all.
    i have tried almost everything ive come up with, including:
    -new wiring/soldering (maybe 8-10 times?)
    -changing powersupply on stripes and rpi
    -setting the led hardware on everything and using new sd card on the pi
    -removing first and last led on the stripes in case of short circut damage
    -new wiring and soldering
    -unpluging everything many times
    -using old hyperion wich seems to work even less
    -help
    -new wiring
    -power from both sides
    -using new stripes


    hyperion is set to "led test" all the time, and it even shows me in the preview that the leds should be on "led test"
    led hardware is set to the right number of leds i think



    i just want them to act normal, i really dont know if this is a software or hardware problem and im losing my sanity after being straight 3 days here after word trying to fix this
    please send help.
    thank you for reading this i hope anyone has a solution.


    Video:
    you are seeing me turning on the rpi

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