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Scrolling LED Array — Parallax Forums

Scrolling LED Array

ArchiverArchiver Posts: 46,084
edited 2002-02-27 21:56 in General Discussion
Good folks of the Stamp world.

> I have been working on a project to scroll a story across a 4 character
> (5X7 Led Array).
> The story is at least 75 words long.
>
> I have a DATA entry for each letter of the alphabet "Caps and Small" and
> punctuation like:
> CA data 124 ,10, 9 ,10 ,124, 0
> CB data 127 ,73, 73 ,73 ,54, 0
> CC data 62 ,65, 65 ,65 ,34, 0
> Space data 0 ,0, 0 ,0 ,0, 0
> a data 0 ,32, 84 ,84 ,120, 0
> b data 126 ,72, 72 ,48 ,0, 0
> c data 60 ,66, 66 ,36 ,0, 0
>
> The program following will load but the characters are jumbled.
>
> If I do a:
> FOR Prom = a to z
> The characters are scrolled by just find
>
> BUT I want to scroll the story by putting the letters together with a:
> Story data cA & space & cF & o & x & space & o & n & c & e & space & s & a
> & w & space & a & space & cC & r & o & w & space & f & l & y & space & o &
> f & f & space & w & i & t & h & space & a & space & p & i & e & c & e &
> space & o & f & space & c& h & e & e & s & e & space & i & n & space & i
> & t & s & space & b & e & a & k
> Last data 0,0,0,0,0
>
> And do a:
> FOR Prom = Story to Last
>
> But this is where the characters are displayed.
> Attached is the whole program.
>
> Any help would be greatly appreciated
>
> Kirk Wasson kwasson1@s...
> <<ScrollMax.bs2>>
>


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Comments

  • ArchiverArchiver Posts: 46,084
    edited 2002-02-27 21:56
    In February of 2001 I did an article for Nuts & Volts magazine that showed
    how to scroll multiple characters horizontally and vertically on a 5x7
    matrix. You can get that program at:

    ftp://nutsvolts.com/ledarray.bs2

    -- Jon Williams
    -- Parallax

    In a message dated 2/27/02 3:46:57 PM Central Standard Time,
    kwasson@e... writes:


    > Good folks of the Stamp world.
    >
    > > I have been working on a project to scroll a story across a 4 character
    > > (5X7 Led Array).
    > > The story is at least 75 words long.
    > >
    > > I have a DATA entry for each letter of the alphabet "Caps and Small" and
    > > punctuation like:
    > > CA data 124 ,10, 9 ,10 ,124, 0
    > > CB data 127 ,73, 73 ,73 ,54, 0
    > > CC data 62 ,65, 65 ,65 ,34, 0
    > > Space data 0 ,0, 0 ,0 ,0, 0
    > > a data 0 ,32, 84 ,84 ,120, 0
    > > b data 126 ,72, 72 ,48 ,0, 0
    > > c data 60 ,66, 66 ,36 ,0, 0
    > >
    > > The program following will load but the characters are jumbled.
    > >
    > > If I do a:
    > > FOR Prom = a to z
    > > The characters are scrolled by just find
    > >
    > > BUT I want to scroll the story by putting the letters together with a:
    > > Story data cA & space & cF & o & x & space & o & n & c & e & space & s & a
    > > & w & space & a & space & cC & r & o & w & space & f & l & y & space & o &
    > > f & f & space & w & i & t & h & space & a & space & p & i & e & c & e &
    > > space & o & f & space & c& h & e & e & s & e & space & i & n & space & i
    > > & t & s & space & b & e & a & k
    > > Last data 0,0,0,0,0
    > >
    > > And do a:
    > > FOR Prom = Story to Last
    > >
    > > But this is where the characters are displayed.
    > > Attached is the whole program.
    > >
    > > Any help would be greatly appreciated
    > >
    > > Kirk Wasson kwasson1@s...
    > > <<ScrollMax.bs2>>
    > >
    >




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