Dear all, Some more routines, this time for iButton/1-Wire. I'm really fond of the function 'OneWireSearch', which is reentrant (for architectures that support reentrancy) and much more elegant than the Dallas/Maxim reference code and all others that I have seen . Sorry Bob, comments are sparse. Link: Cheers, Isaac --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .