> The issues you raise are correct, however not relavent to > that particular example. Duly noted. I'm guessing though that most EEPROM writes would not be immediate values but from RAM (eg a data logger or sensor buffer), in which case you would have to be aware of where the data is coming from. It's just one of those after-the-fact "oh, that's how you do it" things -- 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