Andrew Mayo wrote:

> Yes, it does get complex. I saw an amazing display at the ESPN bar in
> Orlando recently that uses LEDs that can generate red, green and blue,
> and consequently it could do red, orange, yellow, green,blue and
> violet.  Very slick.

  And white presumably?

> For yellow, you'd need to switch the signal rapidly, as well.

  Why "rapidly"?

  Looks like you beat me to the punch explaining the pros and cons of
how you strobe the things.  Sigh!  Never mind!

  Cheers,
        Paul B.