Project 2 - Measuring the distance of an object using ultrasonic sensor and also smoothen the sensor data using moving average filter

/* Speed of sound: v= 340m/s
v= 0.034cm/microseconds
Time=distance/speed:
t=s/v=10/0.034=294microseconds
Distance in cm:
s=t*0.034/2 */

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.println("Distance: ");
Serial.println(distance);
}