On Sat, 14 Sep 2002, Peter L. Peres wrote:

> On Sat, 14 Sep 2002, Magnus von Rosen wrote:
>
> >The state-machine approach seems like a good alternative
>
> Ah, now you say that. You can move the larger part of the state machine
> into a timer ISR (and drop the delay() part).

Funny you should mention that:

http://www.botkin.org/dale/led_pwm_control.htm

I have used this exact approach on a project I did that involved 160 or so
LEDs.  I used row & column addressing to turn LEDs on or off, and a
software PWM to control the brightness of the whole array.  Oh, did I
mention I did it in C?  8-)

Dale

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