Jinx, Good stuff - this is a keeper! :-) On Fri, 29 Sep 2006 14:58:11 +1200, Jinx wrote: > > I'm interested in trying this, can you give me more detailed > > information about how to approach the problem? > > There are several parts > > Timebase > Timekeeping > Alarms > Interface > > Timebase is the "tick" of your calendar. This can be from an > external source, such as mains cycles, oscillator or IC. Or, if you're in an area of the World where it exists, from a radio time signal using a receiver. Or using a wall-clock that uses it, and picking off the PPS ticks. I suppose you could call this using second-hand clock ticks :-))) Cheers, Howard Winter St.Albans, England -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist