Issue Led flickering

  • Hi,


    I am new comer on hyperion. I got my first setup but I am having an issue. Here is my setup :

    Pi 3 b

    5v 40A power supply (running LEDs only)

    WS2812B LED's (using 478 total)

    data link is connected directly to the rpi in GPIO 18.

    USB HDMI grabber.


    Here is my problem : When I connect my led it doesn't seems to respond to the hyperion. The light is going all colors and when I try to test it doesn't do anything.

    If I disabled the LED then the Led strip just freeze to the latest color. If I start again it just go into sort of flikkering of all colour on the bottom but on the side I got either red or some changing color.


    It sounds like there is a problem with my data link I wonder if there is a command I can use to check if the data link is working.


    Any help would be appreciate


    Thanks

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