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48 LED 12v panel, need to dim it a bit would a resistor work?

Discussion in 'LEDs and Optoelectronics' started by supak111, May 1, 2013.

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  1. supak111

    supak111 ★ƃuᴉɯǝɥɔs sʎɐʍlɐ★

    334
    4
    Apr 29, 2012
    I have a small 48 LED 1.5x1" panel for a car so its 12v, need to dim it a bit can I just add a resistor inline to dim the light?

    Also anyone know around what resistance I should try, just rough idea are we talking like 10ohms or like 1000ohms?

    I don't have the light yet just ordered it so I can't really measure the current...
     
  2. BobK

    BobK

    7,682
    1,688
    Jan 5, 2010
    It probably already has a resistor, so adding more resistance would be fine. If you can find out what it has now, that would give you a good idea of what to add, probably something like 1/4 to 1 times what is already there.

    Bob
     
  3. supak111

    supak111 ★ƃuᴉɯǝɥɔs sʎɐʍlɐ★

    334
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    Apr 29, 2012
    I will report back soon, thanks.
     
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