> I don't know many things. I want to be able to send from a source (pic, > RS-232 or something else) > a byte (e.g. 00101110) and to read it from the destination pic. I want > the pic to take this byte from only one pin. Sounds like asynchronous serial via the USART will do what you ask. ***************************************************************** Embed Inc, embedded system specialists in Littleton Massachusetts (978) 742-9014, http://www.embedinc.com -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.