Quote:
Originally Posted by DonRotolo
A 556 also is a one chip solution. For me, a non-programmed solution is almost always superior to one needing programming. (Not that I dislike programming, it just seems like overkill)
Just like Ham radio operators, robot people are cheapskates. Thus the attraction of building a solution for $4 to avoid spending $25.
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True, but the PIC wouldn't need external capacitors or resistors.... well, other than the pot.
But I gotta admit... the 556 even with the resistors and the caps would be slightly cheaper than the PIC... much cheaper if you didn't already have some programming hardware around.
I've used both 555's and microcontrollers in projects... I tend to like the microcontroller route because when I screw something up I can usually fix it by upgrading the software. (Why, yes. I do use Windows, why do you ask?)
Jason