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Answered Different WS2811 PCB Strips

Discussion in 'RGB Lights - Intelligent Pixels and 3-Channel RGB' started by Uzza, Nov 15, 2017.

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  1. Uzza

    Uzza New Elf

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    Hi Guys,

    Been a long time since I posted anything, hope you guys are getting your setups done.

    In the past I have used the WS2811 addressable LED strip from the same supplier which gave me the strips that give you the wiring order of
    12V
    GND
    Data
    This year I had to change where I got them from and the strips are still WS2811 ICs but the wiring order is
    12V
    Data
    GND

    On the original strips when we powered the LEDs on with no data, all the lights would turn on White.
    With these new PCBs we powered them on last night with no data and none of the LEDs turned on. We have 12Vs everywhere and there are no issues, as we are now wiring up the controllers can anyone tell me if they have seen this and if there are any other differences we should be aware of in terms of functionality. Just being cautious in case we are wasting our time or if there are any other faults I'm unaware of.

    Cheers
     
  2. Bumpy2020

    Bumpy2020 New Elf

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    I have the 2nd strips, and they never turn on unless the data is telling them to
     
    Uzza likes this.
  3. OP
    OP
    Uzza

    Uzza New Elf

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    Thanks Bumpy,

    That's what I thought but you put my mind at ease so I'll get the controllers wired up. Would like to know if anyone knows the circuit reason for this (ie how the pcb layouts differ) just for curiosity sake.

    Thanks again
     

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