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  1. #1
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    help

    hey, i have designed my first circut using 555 ic but there is a problem in it.
    my circut is two led flasher but the problem is one led is glows always other led does not..............plz help

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  2. #2
    Super Moderator
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    keith1200rs's Avatar
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    help

    Your upper LED is the wrong way round.

    Keith.
    I started life with nothing and I've still got most of it left. (Seasick Steve)



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