Mike M wrote: > >Yes, the PWM machine is a self serving port. > > > What? there is no PWM ports on a 16c84, i assume your are talking about the 68 hc11. > Right it's a 16C63A, I have a good memory it's just short. -- Thomas C. Sefranek WA1RHP ARRL Instructor, Technical Specialist, VE Contact. http://www.harvardrepeater.org http://hamradio.cmcorp.com/inventory/Inventory.html