> I have an input pin and i want to send from out a number from that pin > serial. How can i read the number? > Do i have to know how fast the number will come? What is the deference > if i send the number in 1 sec or in 1msec? How can i implement it? What > do i have to know? Do i have to make it with interrupts, and everytime > i get an interrupt i read the pin? Be analytic please. Huh? I'm confused about what you are trying to do. You won't be able to send a serial stream from an input pin. ***************************************************************** 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.