/*
Hightechrobo learn 
by Arianramianpour
*/

#define trig 9
#define echo 10

void setup(){
  pinMode(trig,OUTPUT);
  pinMode(echo,INPUT);
  Serial.begin(9600);
}

void loop(){
  
  digitalWrite(trig, LOW);
  delayMicroseconds(2);
  digitalWrite(trig, HIGH);
  delayMicroseconds(10);
  digitalWrite(trig, LOW);
  int duration = pulseIn(echo,HIGH);
  int distance = duration * 0.034/2;
  Serial.println(distance);
  
}