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newbe question on prop demo board Rev (F) — Parallax Forums

newbe question on prop demo board Rev (F)

Pete SrPete Sr Posts: 11
edited 2008-02-22 22:52 in Propeller 1
When I select the either of the following pairs of pins they both flash with the selected pin flashing somewhat brighter. Is this normal for the demo board?

If I select 16 or 17 I do not have this problem.

Is the 18/19, 20/21, 22/23

Pete

Comments

  • stevenmess2004stevenmess2004 Posts: 1,102
    edited 2008-02-22 21:42
    Yes this is normal because the LED pairs that are lighting up are connected by resistors for the VGA DAC. Have a look at the schematic and it will be all clear smile.gif
  • Pete SrPete Sr Posts: 11
    edited 2008-02-22 22:50
    Thanks I suspected as much, didn't find the diagram for it to confirm.

    Pete
  • deSilvadeSilva Posts: 2,967
    edited 2008-02-22 22:52
    *sigh*
    (a) Start you Propeller Tool
    (b) HELP ->Schematic of Demo Board
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