const int trigPin = 23;
const int echoPin = 22;

void setup() {
    Serial.begin(115200);
    pinMode(trigPin, OUTPUT);
    pinMode(echoPin, INPUT);
}

void loop() {
    digitalWrite(trigPin, LOW);
    delayMicroseconds(2);
    digitalWrite(trigPin, HIGH);
    delayMicroseconds(10);
    digitalWrite(trigPin, LOW);

    long duration = pulseIn(echoPin, HIGH);
    float distance = (duration * 0.0343) / 2; // Speed of sound is 343 meters/second

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

    delay(1000); // Wait for a second before taking another measurement
}