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Powering a LED light with 12VDC power supply

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Discussion in 'Power Electronics' started by eljainc, Jan 9, 2012.

  1. Jan 9, 2012 #1
    eljainc

    eljainc

    2
    0
    May 19, 2011
    Hello,

    I am planning on using a 12VDC power supply to drive an LED. However the
    LED is rated for 1.5V and about 20mA current. Is there a circuit that is recommended
    for this purpose? I know I can put a resistor (560 Ohms) in series with the LED to
    limit the voltage, but is there a better way to do this?

    Thanks
     
  2. Jan 9, 2012 #2
    davelectronic

    davelectronic

    1,079
    12
    Dec 13, 2010
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