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Powering one led off 6v

Discussion in 'LEDs and Optoelectronics' started by Stefg023, Feb 12, 2014.

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  1. Stefg023

    Stefg023

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    Feb 11, 2014
    Trying to power up one white led, 3.6v off 6v power supply. Understand what resistor I need.
    What's throwing me off is this microchip looking thing inside the project I'm copying. The difference is, on the original project, there's a 4 hour timer on it. So, is this microchip used for that? Or does it have another purpose?
    I don't need a timer for my project, just on/off option.
    Picture attached.
    Let me just add I'm a newbie to electronics.
    Thanks!
     

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  2. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

    25,449
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    Jan 21, 2010
    Ask this guy here. He seems to have a very similar board.
     
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