Introduction: PORT WISE PROGRAMMING IN AVR
http://youtu.be/AicVMCwyjeE
IN THIS I AM TELLING YOU HOW TO SELECT ONE PORT AS AN INPUT OR OUPUT AND MOVE DATA FROM ONE PORT TO ANOTHER PORT ... FIRST WE 'LL WRITE A PROGRAM THEN RUN IT ON SOFTWARE AND IN THE END ON THE HARDWARE
HOPE SO YOU GUYS LIKE IT !!
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