On Mon, 22 Nov 2004, Jan-Erik Soderholm wrote: [SNIP] > >> Looks like PORTA pins can sink 25mA, so that's 5/0.25=20R, right? > NO! The formula is 5/0.025 and this gives 200R. The nearest standard value is 220R which may be used on the sure side. 20R is a mistake! Maybe somebody has already pointed it out but I did not see after looking thru the thread. Regards, Imre PS: Sorry for the delayed reply. Maybe the PIC have not been fried yet... _______________________________________________ http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist