not exactly...actually is just part of a major final project... anyway...help? On Thu, May 28, 2009 at 10:47 AM, Olin Lathrop w= rote: > "Ruben J=F6nsson" wrote: > > I'm sure that there are a lot of people here that can help you but we > > have to do a lot of guessing. You say you can't use a "black box" like > > a 555 but you can still use an opamp which can also be considered a > > "black box". Perhaps you can explain why you can't use certain parts > > This smells like a homework assignment. > > > ******************************************************************** > Embed Inc, Littleton Massachusetts, http://www.embedinc.com/products > (978) 742-9014. Gold level PIC consultants since 2000. > -- > http://www.piclist.com PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > -- = http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist