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dot/bar graph LED controller question.

Discussion in 'Electronic Basics' started by Impmon, Sep 16, 2005.

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  1. Impmon

    Impmon Guest

    I'm building a variable speed fan controller (tutorial at and I would like to add
    an IC to display the 10 seg LED to display the level in bargraph
    display. But I can't remember what part # it is! >_< I'm pretty sure
    it starts with LM3xxx so can anyone fill in the missing numbers? TIA!

  2. That sounds like the good old LM3914. Try this:
  3. BobG

    BobG Guest

    Conversation from geek quiz show "Name That Chip":
    "Alex, I can name that chip in THREE numbers!"
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