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6 Volt powered led

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Discussion in 'LEDs and Optoelectronics' started by tomahawk, Sep 29, 2011.

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  1. Sep 29, 2011 #1
    tomahawk

    tomahawk

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    Sep 29, 2011
    I have a plan to power a LED to make a lamp. It is two 3 volt coin batteries connected in a series to produce 6 volts with a 120 ohm 1/8w resistor to power it to its fullest extent. For the On/Off I wanted to add a botton (http://www.radioshack.com/product/index.jsp?productId=2062546). Would I need to change anything up to put the button in.
     
  2. Sep 29, 2011 #2
    (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

    25,490
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    Jan 21, 2010
    That switch will only have the LED on while you press the switch. If that's fine with you, then use that switch.

    Assuming it's a white LED, and the LED is rated for 25mA, then all should be fine.

    Everything is connected in series (but I'm sure you knew that)
     
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