> By "breadboard", do you mean one of those solderless breadboards > such as AP, Global Specialties, etc.? If so, remember that the > horizontal buses (busses?) are usually split halfway across... > they don't run continuously from end to end. This can cause > bizarre things to happen if you forget to add jumpers in the > right spots. Also, I've found that those things can be less > than reliable and it pays to verify connections with a meter. for a picture, see http://www.voti.nl/swp/index_1.html#target note that not all breadboards have this cut, if fact only one of the dozen or so I have has it. Wouter van Ooijen -- ------------------------------------------- Van Ooijen Technische Informatica: www.voti.nl consultancy, development, PICmicro products -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics