Ultrasound sensor basic with NewPing version

//Ultrasound sensor basics with NewPing version

//Copyright (C) 2007 Free Software Foundation, Inc. <arduinounomagic@gmail.com>

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//For more projects please visit://www.arduinounomagic.com


#define TRIG_PIN 3 //connect trigger pin to pin 3 of Arduino uno
#define ECHO_PIN 8 //connect echo pin to pin 8 of Arduino uno
#define MAX_DISTANCE_CM 300 //maximum distance up to which need to measure in cm
 

NewPing sonar(TRIG_PIN, ECHO_PIN, MAX_DISTANCE_CM);//setup pins for NewPing 

void setup()
{
Serial.begin(115200);//assign serial monitor at 115200 baud
  }
  
 void loop()
  {
delay(50);//wait for 50 milliseconds 
 Serial.print("Distance in cm:"); //print Distance on serial monitor
    Serial.print(sonar.ping_cm());//send a ping, returns the distance in cm or zero if echo ping is not under the set distance range (300)
    Serial.println(" cm");
   
   Serial.print("Distance in inch:");
   Serial.print(sonar.ping_in());//send a ping, returns the distance in inch
    Serial.print(" inch");
    Serial.println();
    }