////////////////////PİC18F252 İLE YAPILMIŞ BUTONA BAS LED YANSIN/////////////////
///////////////////////ALIN SİZE TÜRKÇE KAYNAK İŞTE////////////////////////
#include <18F252.h>
#use delay(clock=40000000)
#fuses H4,NOWDT,NOPROTECT,NOLVP,PUT,
#use rs232(baud=500000, xmit=PIN_C6, rcv=PIN_C7)...