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can christmas leds be wired into a pattern

Discussion in 'LEDs and Optoelectronics' started by hank55, Oct 10, 2012.

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  1. hank55


    Oct 10, 2012
    Can you cut up a strand of Christmas lights and rewire them into different shape , say like a Y or a K pattern, I know the amount of lights per strand needs to stay the same.
  2. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

    Jan 21, 2010
    The answer depends on how they are wired up.

    Firstly, if they are powered from the mains and don't have a transformer or power supply delivering a low voltage to them, don't even try.

    Secondly, if they are low voltage, you need to determine if the string of LEDs is effectively wired as a number of LEDs in series, and then repeated in parallel.

    If it is the second case, you can cut them up between the sections that are in parallel and reconnect these in some other topology that retains the parallel connection.

    As an example, LED strip lights powered from 12V are often many many strings of three LEDS. The strips are frequently marked as to where you can cut them. Christmas lights are rarely marked, you have to figure them out all by yourself.
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