const int triggerPin = 7;
const int echoPin = 6;
long duration;
int distance;
void setup() {
pinMode(triggerPin, OUTPUT);
pinMode(echoPin, INPUT);
Serial.begin(9600);
}
void loop() {
// Send a 10 microsecond pulse to the trigger pin
digitalWrite(triggerPin, LOW);
delayMicroseconds(2);
digitalWrite(triggerPin, HIGH);
delayMicroseconds(10);
digitalWrite(triggerPin, LOW);
// Measure the duration of the echo pulse
duration = pulseIn(echoPin, HIGH);
// Calculate the distance in centimeters
distance = duration * 0.034 / 3;
Serial.print("Distance: ");
Serial.print(distance);
Serial.println(" cm");
delay(500);}