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Thread: LED bar graph shit

  1. #1
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    LED bar graph shit

    So I wouldn't mind doing something like a basic RC circuit on a PWM to ground and 5v pullup to run an LED bar graph.

    One for fuel level, other for ethanol percent. Easily done with ecu, but hardware i dunno....

    Something like this panel mounted in dash, maybe behind a tinted sheet so not bright as fuck and also not visible when off.



    Something like that work for what I want?
    Quote Originally Posted by Bosshoggett View Post
    If your planing to drive this on the road and enjoy it, id suggest a second opinion, someone with a history in Australian Rally or Fink River . If your just playing dyno comps. Then ok

  2. #2
    aka SpaZdA (tm) mondo2000's Avatar
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    So you want to make an analogue bar graph gauge?

    Why not multiple analogue inputs to an arduino with LCD display if you want to DIY?

  3. #3
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    An arduino would do this pretty easily.

    http://www.instructables.com/id/Cont...-with-Arduino/

  4. #4
    Non Compos Mentos Gammaboy's Avatar
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    "Where can we get hold of a Vincent Black Shadow?" "Whats that?" "A fantastic bike," I said. "The new model is something like two thousand cubic inches, developing two hundred brake-horsepower at four thousand revolutions per minute on a magnesium frame with two styrofoam seats and a total curb weight of exactly two hundred pounds."

  5. #5
    Registered User AlexinPerth's Avatar
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    Back in the day this was done with the LM3914

    https://learn.sparkfun.com/tutorials...r-hookup-guide

  6. #6
    Registered User TRD-MX62's Avatar
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    Quote Originally Posted by AlexinPerth View Post
    Back in the day this was done with the LM3914

    https://learn.sparkfun.com/tutorials...r-hookup-guide
    but it does not have an ethernet port!

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