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Wiring 5 blinking LEDs over 100 foot distance

Discussion in 'LEDs and Optoelectronics' started by kaushika, Dec 23, 2013.

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  1. kaushika


    Dec 23, 2013
    I want to wire 5 blinking LEDs over a distance about 100 foot.

    A few design goals:
    Should be able to run continuously 24/7.
    Power consumption should be minimum.

    Looking for design ideas for power supply, type of wire and blinking mechanism.
  2. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

    Jan 21, 2010
    If you want 5 LEDs to blink at the same time, connect them in series (with wire between them as required) then run them from the appropriate voltage source with a series resistor.

    Assuming they will run at 20mA, there is no need for a thick wire. Simply calculate the required resistance using an assumed resistance of 0 ohms for the wire. Then measure the current and choose a smaller value resistor if the current is significantly low.

    You've given so few details that I can't be sure I'm answering your question, but I hope this helps.

    oh, blinking mechanism. Use a 555.
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