>Teaching students about parasitic effects, and the fact that >those PCB traces aren't superconductors with no inductance, >is very important, if they are to have any hope of getting >things working right in the real world. I still remember the university student we had here on a gap year, who had no clues about using supply bypass capacitors - never come up in class ... -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist