solarwind wrote: > And the polling type of network seems to be another cool choice where > the bus owner polls the devices to see if anyone wants to talk. What > happens when the bus owner goes down? You're screwed. But think about it. What useful function can the system perform without the central controller anyway? ******************************************************************** Embed Inc, Littleton Massachusetts, http://www.embedinc.com/products (978) 742-9014. Gold level PIC consultants since 2000. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist