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Thread: the right resistor

  1. #1

    Default the right resistor


    I kept on going back and forth figuring what resistor to use.
    I am new so please help.

    I and planning to get the Amber Cree LED. I want to use a 4xAA batteries for it. I intend to use a buck puck of 1000mah too.
    and maybe in the future use a speaker (but this will take a long time, I just need for my LED).

    Tell me which resistor do I need please? and please tell other tips such as the right item to use.


  2. #2


    If you use a buckpuck, you won't need a resistor for your main LED.

    If you use an illuminated switch, you'll still need a resistor for the switch LED.


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