The door system is made with a DC motor which opens and closes the door. The motor is driven by an H-bridge motor driver IC (L293D). You can use your own door access kit but you need to make some changes in the motor driver program as given below.

  Void door_activate() {
  red=0,black=1;    // Door opening
  while(open!=0);  // Wait till opening is completed
  red=0,black=0;  // motor stopped for a short time
  red=1,black=0;  // Door closing
  while(close!=0); // Wait till closing is completed
  red=0,black=0; // motor stopped after closing the door

Download the complete source code.




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