On Mon, Feb 07, 2000 at 09:37:42AM +0800, Rob Symmans wrote: > Anyone have any recommendations as to a simple to use real time clock? I > am designing a small standalone environmental logger incorporating a > 16F874 and need to timestamp the samples. Perth, eh? Hot there today, 36c I hear. I'm in the eastern outback frying as well. The 16F874 could do the real time clock itself, though I haven't compared the current draw. TMR1 can have a 32.768kHz crystal attached. Otherwise I'd check http://www.dontronics.com/ by downloading the whole shebang and searching for RTC. Hangabout, here it is ... http://www.dontronics.com/rtc.html -- James Cameron mailto:quozl@us.netrek.org http://quozl.us.netrek.org/