>> Is there a small, cheap external circuit I can build to guarantee a
>> power-on reset?
>
>Yes, but if you tell us what you have hanging off the /MCLR pin
>right now, it might be easier to suggest what to do next. Also,
>why not put the bigger (100uF) cap on the *input* to the 7805 and
>the smaller one on the output? There's no reason why you should need
>100uF on the 5V rail.

!MCLR is tied to +5V.  I only have the condensed data sheets that Parallax
sends with their stuff, so I don't really know all that I should here.
Obviously.

-Matt


  "DOS Computers manufactured by companies such as IBM, Compaq, Tandy, and
millions of others are by far the most popular, with about 70 million
machines in use wordwide. Macintosh fans, on the other hand, may note that
cockroaches are far more numerous than humans, and that numbers alone do
not denote a higher life form."