Hi! Happy Halloween (*;*)! Why we need to filtered out the debounce signal? What are the causes of debounce signal? If this could happened in the input of PIC, what should I do to removed this problem? do I have to add another circuits? or modify the program? _________________________________________________________ Do You Yahoo!? Get your free @yahoo.com address at http://mail.yahoo.com -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu