Olin Lathrop wrote:
> I got the impression from other questions the OP asked that he is a beginner
> and a hobbyist.  So even if a bigger PIC costs a little more than external
> hardware, it will get the job done reliably with a lot less futzing around
> trying to figure out why it doesn't work.  This logic makes sense for all
> but high volume products, or maybe very space constrained products, although
> the extra hardware to make pins do double duty probably takes more space
> than the increment to a bigger PIC.


I'm a beginner hobbyist that aspires to make high-volume products :-D  
If I can do it cheaper with PIC16F684 in conjunction with basic logic 
chips like shift registers, then I'll consider it!

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