Rodent of Unusual Size wrote:

> peter green wrote:
> 
>>>Not critical, just above visual flicker rate and
>>>with a 0-100% adjustable duty cycle.
>>
>>What else is the pic doing, if the pic isn't doing anything else and is 
>>running at a reasonable speed then it should be more than fast enough to 
>>do it in pure software.
> 
> 
> Nope, it has nothing else to do but manage the brightness
> of these three LED strings.

definitely doable then. Go with soft PWM! :)

-- 
Ciao, Dario
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