#define TRIGGER 5
#define ECHO 17
long distance;
long duration;
void setup()
 {
  
  Serial.begin(115200);
  pinMode(TRIGGER, OUTPUT);
  pinMode(ECHO, INPUT);
}     
void loop() 
{
   distance = getthevalue();
   Serial.println("DISTANCE: "+String(distance));                 
  delay(1000); 
}
 long int getthevalue()
{
  digitalWrite(TRIGGER, LOW);
  delayMicroseconds(2);
  digitalWrite(TRIGGER, HIGH);
  delay(10);
  digitalWrite(TRIGGER, LOW);
  duration = pulseIn(ECHO,HIGH);
  return(duration * 0.034/2);


}