Ruben J=F6nsson ha scritto: > To get around this you need to change the behavior of the bus so a 1 leve= l is = > much weaker than a 0 level (or the other way around) which means that the= 0 = > level (the dominant level) always wins over a 1 level (the recessive leve= l), = >[...] thank you Ruben, very good explanation :) Dario -- = http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist