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LSC Smart Outdoor Party Light (3200490) Color Sync Issue with WS2814A and SM1670P

marcolueck1976 2259 7
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  • #1 21139484
    marcolueck1976
    Level 7  
    Here we go again.
    A few weeks ago I bought an LSC Smart Outdoor Party Light (3200490) that works with LSC or Tuya.
    It has 20 Bulbs, RGB/C + warm white.
    Colorful bulbs of the LSC Smart Outdoor Party Light set on packaging.
    Printed circuit board with connectors and electronic components inside a casing.

    Flashing was no Problem. But if I toggle on all LEDs have different colors. If I change to blue this is the result, one G, one R, one B and so on. That confuses me, normally all LED should have the same color.

    String lights with multicolored LED bulbs hanging above a cabinet.

    Every bulb has one small chip with WS2814A

    Electronic module with LED setup and markings. Circuit board with WS2814A chip and wires

    The string works with SM1670P driver for RGB but CW and WW won't work

    Code: JSON
    Log in, to see the code

    PixelAnim works, but the LEDs are mixed up and there is no clean rainbow effect.

    I'm sorry, but I forgot to make a dump :-(

    Somebody out there who has the same String and bring it fully to work?
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  • #2 21140009
    p.kaczmarek2
    Moderator Smart Home
    Hello, are WS2814A timings the same as WS2812B?
    Technical datasheet for WS2814A with specifications and transmission timings.
    Comparison of data transfer times for WS2812/WS2812S and WS2812B.
    They look different, futhermore, it seems they have one mistake in the datasheet... hm. Maybe we need to adjust the driver.
    Helpful post? Buy me a coffee.
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  • #4 21140152
    p.kaczmarek2
    Moderator Smart Home
    It still seems that there is an error in the datasheet:
    Data sheet showing a data transfer time table with a potential error.
    Helpful post? Buy me a coffee.
  • #5 21141939
    marcolueck1976
    Level 7  
    I've tried today to use the string with an ESP32 and WLED, with the settings WS2812 it works as I describe above, with setting WS2814 it works completely normally and the bulbs have all the same color.
  • #6 21141949
    p.kaczmarek2
    Moderator Smart Home
    So basically you've confirmed that OBK supports WS2812 but WS2814 is not supported?
    Helpful post? Buy me a coffee.
  • #7 21141956
    marcolueck1976
    Level 7  


    A string of lights with red and green pepper-shaped bulbs. I think i could say that, yes.
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  • #8 21448270
    pitron
    Level 24  
    I have these LSC bulbs but wifi is broken: loosing connectivity.
    Has anyone tried to use with esp and wled last versions?

Topic summary

The discussion revolves around a color synchronization issue with the LSC Smart Outdoor Party Light (3200490), which utilizes WS2814A chips and is driven by an SM1670P controller. Users report that when toggling the LEDs, they display different colors instead of synchronizing to a single color. It is suggested that the timing specifications for WS2814A may differ from those of WS2812B, potentially requiring adjustments to the driver. An English datasheet indicates compatibility with "neopixelbus" and "WRGB" protocols. Testing with an ESP32 and WLED shows that while the WS2812 settings lead to mixed colors, the WS2814 settings function correctly, confirming that the driver supports WS2814 but not WS2812.
Summary generated by the language model.
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