// Define pins for the ultrasonic sensor
const int trigPin = 3;  // Trigger pin
const int echoPin = 2;  // Echo pin


void setup() {
  Serial.begin(9600);
  pinMode(trigPin, OUTPUT);
  pinMode(echoPin, INPUT);
}

void loop() {
  // Initial trigger pin
  digitalWrite(trigPin, LOW);
  delayMicroseconds(2);

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

  // Read the duration of the pulse
  long duration = pulseIn(echoPin, HIGH);

  // Calculate the distance in centimeters
  int distance = duration / 58.2;
  
  
  Serial.print("Distance: ");
  Serial.print(distance);
  Serial.println(" cm");

  delay(100);
}