   
   digitalWrite(trig,LOW);
   
-  //Claculate Duration of pulse.
+  //Calculate Duration of pulse.
   duration = pulseIn(echo,HIGH);
   printReadings("Duration", duration);
   


long duration, distance;
void setup() {
  /*
  Setup of the echo & trig of everysensor.
  */

}

void loop() {
  printString("Testing");
  estimateDistance(S1trig, S1echo);
  delay(10000);
}

void printReadings(String label, long value){
  String phrase = label+": "+value;
  printString(phrase);
}
void printString(String phrase){
  Serial.println(phrase);
  Serial.println(" ");
}
/*
Estimate the distance received from the ultrasonic sensor.
*/
