2 LEDs and one pin left


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  1. #11
    Join Date
    Jun 2005
    Location
    Up the bush, Western Plains, NSW Au
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    Default 2 leds 1 pin

    Tried this on my Breadboard, works a treat.
    Hmmm....have to work out how to ad a JPG to this...
    BRB


    Ah, there it is, I hope. I know it means 2 extra LEDs, but that's gotta be cheaper than changing the PIC or messing around with the power supply.
    With the pin as an input, the 5 volt rail is not enough to turn on any of the leds, but setting the pin Hi or Lo the voltage is enough to turn on 2 of them. Also no current drawn during the Input stage.
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    Last edited by muddy0409; - 18th July 2010 at 11:39.
    Peter Moritz.
    Up the bush, Western Plains,
    New South Wales,
    Australia.

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