Project 2 - Measuring distance of an object using ultrasonic sensor (HC-SR04)

*LIVE BATCH STUDENT*

const int trigPin = 9;
const int echoPin = 8;
long duration;
int distance;

void setup()
{
Serial.begin(9600);
pinMode(trigPin, OUTPUT);
pinMode(echoPin, INPUT);
}
void loop()
{
digitalWrite(trigPin, LOW);
delayMicroseconds (5);
digitalWrite(trigPin, HIGH);
delayMicroseconds (15);
digitalWrite(trigPin, LOW);
duration = pulseIn(echoPin, HIGH);
distance = duration*0.034/2;
Serial.print("Distance:");
Serial.println(distance);
delay(100);
}