On Thu, 2010-01-21 at 14:56 -0700, Forrest W Christian wrote: > Or does anyone else have an idea on how > to measure AC line voltage safely in a way that can be read by a PIC? What about a hall effect sensor? TTYL -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist