This is the Arduino code and video for Sharp Infrared Sensor Module

1. Sharp IR Library 
2. Sharp IR Library (from getHub)

 /*
 * Sharp IR (infrared) distance measurement module for Arduino
 * Measures the distance in cm.

 * Watch the video https://youtu.be/GL8dkw1NbMc

 *  * 

Original library: https://github.com/guillaume-rico/SharpIR

Updated by by Ahmad Nejrabi for Robojax.com
on Feb 03, 2018 at 07:34 in Ajax, Ontario, Canada
 * Permission granted to share this code given that this
 * note is kept with the code.
 * Disclaimer: this code is "AS IS" and for educational purpose only.
 * 
 /*
/*




 */
  // Sharp IR code for Robojax.com
#include 

#define IR A0 // define signal pin
#define model 1080 // used 1080 because model GP2Y0A21YK0F is used
// Sharp IR code for Robojax.com
// ir: the pin where your sensor is attached
// model: an int that determines your sensor:  1080 for GP2Y0A21Y
//                                            20150 for GP2Y0A02Y
//                                            430 for GP2Y0A41SK   
/*
2 to 15 cm GP2Y0A51SK0Fuse 1080
4 to 30 cm GP2Y0A41SK0F / GP2Y0AF30 seriesuse 430
10 to 80 cm GP2Y0A21YK0Fuse 1080
10 to 150 cm GP2Y0A60SZLFuse 10150
20 to 150 cm GP2Y0A02YK0Fuse 20150
100 to 550 cm GP2Y0A710K0Fuse 100550

 */

SharpIR SharpIR(IR, model);
void setup() {
    // Sharp IR code for Robojax.com
 Serial.begin(9600);
 Serial.println("Robojax Sharp IR  ");
}

void loop() {
    // Sharp IR code for Robojax.com
    delay(500);   

  unsigned long startTime=millis();  // takes the time before the loop on the library begins

  int dis=SharpIR.distance();  // this returns the distance to the object you're measuring

  // Sharp IR code for Robojax.com

  Serial.print("Mean distance: ");  // returns it to the serial monitor
  Serial.println(dis);
  //Serial.println(analogRead(A0));
  unsigned long endTime=millis()-startTime;  // the following gives you the time taken to get the measurement
 Serial.print("Time taken (ms): ");
 Serial.println(endTime);  
     // Sharp IR code for Robojax.com
     
}