Line following robot code in Arduino

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/* Robot Line Follow

/*wall tracking also same
 
 This sketch demonstrates the line following capabilities
 of the Arduino Robot. On the floor, place some black
 electrical tape along the path you wish the robot to follow.
 To indicate a stopping point, place another piece of tape
 perpendicular to the path.

 Circuit:
 * Arduino Robot

 created 1 May 2013
 by X. Yang
 modified 12 May 2013
 by D. Cuartielles

 This example is in the public domain
 */

#include <ArduinoRobot.h> // include the robot library

long timerOrigin; // used for counting elapsed time

void setup() {
  // initialize the Robot, SD card, display, and speaker
  Robot.begin();
  Robot.beginTFT();
  Robot.beginSD();
  Robot.beginSpeaker();

  // show the logots on the TFT screen
  Robot.displayLogos();
 
  Robot.drawBMP("lf.bmp", 0, 0); // display background image

  Robot.playFile("chase.sqm");  // play a song from the SD card
 
  // add the instructions
  Robot.text("Line Following\n\n place the robot on\n the track and \n see it run", 5, 5);
  Robot.text("Press the middle\n button to start...", 5, 61);
  Robot.waitContinue();

  // These are some general values that work for line following
  // uncomment one or the other to see the different behaviors of the robot
  // Robot.lineFollowConfig(11, 5, 50, 10);
  Robot.lineFollowConfig(11, 7, 60, 5);
 
  //set the motor board into line-follow mode
  Robot.setMode(MODE_LINE_FOLLOW);
 
  // start
  Robot.fill(255, 255, 255);
  Robot.stroke(255, 255, 255);
  Robot.rect(0, 0, 128, 80); // erase the previous text
  Robot.stroke(0, 0, 0);
  Robot.text("Start", 5, 5);
 
  Robot.stroke(0, 0, 0); // choose color for the text
  Robot.text("Time passed:", 5, 21); // write some text to the screen
 
  timerOrigin=millis(); // keep track of the elapsed time
 
  while(!Robot.isActionDone()) {  //wait for the finish signal
    Robot.debugPrint(millis()-timerOrigin, 5, 29);  // show how much time has passed
  }
 
  Robot.stroke(0, 0, 0);
  Robot.text("Done!", 5, 45);
}
void loop() {
  //nothing here, the program only runs once. Reset the robot
  //to do it again!
}

Some Importantant links below with reports.just view the lik below
Arduino interesting projects:   
Arduino 30 simple and good projects 
Atmega projects lists
Android Electronics projects lists
Rf based Projects with report
engineering study notes 
GSM GPS based projects with report
Bluetooth based projects with reports