priteshgupta:
If I remove Arduino's Atmega328 IC and build the same circuitry on the breadboard by using 16MHz crystal and other components (that we can use to make arduino uno on breadboard), will it work as same as before?
P.S. I have already uploaded the sketch.
That's the goal. Arduino is useful to fast testing of your proyects prototipes, and when the work is ready you may remove the Atmega328 and put it in your own circuit.