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Powering RGB Strip w/o controller

Discussion in 'RGB Lights - Intelligent Pixels and 3-Channel RGB' started by garyjac1, Jan 18, 2013.

  1. garyjac1

    garyjac1 Apprentice Elf

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    G'Day All,

    I cut a small number (5) of RGB pixels from a string for testing -- didn't want to blow a 100 at once :))

    Checked the power connections (12VDC, btw) and noted blue wire was GND and Black wire was 12VDC+ with Green as DAT and Red as CLK.

    OK, if I connect just the power across Black(+) and Blue (-) appropriately then I see a flash of colour and all the lights go off. Reconnecting, same thing again. It looks like the string needs data to switch everything?

    I had a funny idea (I don't know where from) that an RGB string would come on all white if just connected to power.

    In any case, I intend to run separate power to strings and strips, then run data and clock from the controller on another line.

    Is this string behaving normally, or have I damaged it? It still flashes light when I connect it and goes straight off again.

    Regards,
    Gary
     
  2. kane

    kane Dedicated Elf

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    That is normal behaviour. Some lights will do a quick flash when first powered on, but then they will turn off.. It's not until the appropriate data comes down the Data/Clk lines that you'll get anything turning on.
     
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    garyjac1

    garyjac1 Apprentice Elf

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    G'Day,

    Thanks. Always comforting to know that the first blink wasn't the last :)) Good to have it confirmed from someone's experience too.

    Regards,
    Gary
     
  4. fasteddy

    fasteddy I have C.L.A.P Global Moderator Generous Elf

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    You should be happy with that result.
     
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    garyjac1

    garyjac1 Apprentice Elf

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    Indeed.
     
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    garyjac1

    garyjac1 Apprentice Elf

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    I should mention also, that it now works well with a P12 R running sequences.
     

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