int echopin = 2;    
int trigpin =3;     
int Time;           
int Distance;       

void setup() {
  // put your setup code here, to run once:
pinMode(trigpin, OUTPUT);   
pinMode(echopin, INPUT);    
Serial.begin(9600);         
Serial.print("Ultrasonic Distance:..."); 
}

void loop() 
{
  // put your main code here, to run repeatedly:
digitalWrite(trigpin, LOW); 
digitalWrite(trigpin, HIGH);    
Time =pulseIn (echopin,HIGH);
Distance= Time * 0.0172;
Serial.print("Time:"); 
Serial.print(Time);
Serial.print(" microseconds"); 
delay(1000); 
Serial.print(",Distance:" ); 
Serial.print(Distance);
Serial.println("cm");
delay(1000); 
}