On Thu, Jan 20, 2011 at 8:09 AM, Olin Lathrop w= rote: > If the dropping voltage is due to load, then something must be getting wa= rm. > It would be useful to measure the input current and power and see if the > power goes up when the internal supplies droop. =A0If not, then the issue= is > in the control of the power supplies somewhere, not in a failing load. There is definitely excess current being drawn in the unit, and now it's doing it all the time. I agree, something must be getting hot, I will have to try harder to figure out what it is. Thanks, Josh --=20 A common mistake that people make when trying to design something completely foolproof is to underestimate the ingenuity of complete fools. =A0 =A0 =A0 =A0 -Douglas Adams --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .