Has anyone designed a simple, cheap circuit, that boosts a 1.5V battery = to at least 3V to run a PIC, ideally it should not use much current in = the conversion < 200ua?. Any ideas anyone, I have seen circuits that can power 3.6V LED's but I = suspect they may not be suitable as they are pulsed? Thanks Gary -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics