source= http://www.piclist.com/piclist/2003/11/25/181607a.txt?


     v+
     |    _|_      |
     R    /,\      C
     +--C--+--|<]--+---=Xn
     /             |
   pT              R
     \             |
     gnd


   X'=---[>|---+---=Z
               |
   X"=---[>|---+
               R
               |
              gnd

Do I have that right Bob?

Cost is still less than what a cheap PIC and support would be.

---
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