vr

const int trigPin = 9;
const int echoPin = 10;

long duration;
int distance;
void setup() {
pinMode(trigPin, OUTPUT); 
pinMode(echoPin, INPUT); 
Serial.begin(9600); 
}
void loop() {
  

digitalWrite(trigPin, LOW);
delayMicroseconds(2);

digitalWrite(trigPin, HIGH);
delayMicroseconds(10);
digitalWrite(trigPin, LOW);

duration = pulseIn(echoPin, HIGH);

distance= duration*0.034/2;

Serial.print("Distance: ");
Serial.print(distance);
Serial.println("range");

delay(1000);
}