const int trigPin = 9; // TRIG pini
const int echoPin = 10; // ECHO pini
long sure; // Süre değişkeni
float mesafe; // Hesaplanan mesafe

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);
  sure = pulseIn(echoPin, HIGH);
  mesafe = sure * 0.034 / 2; // Mesafeyi cm cinsinden hesaplar
  Serial.print("Mesafe: ");
  Serial.print(mesafe);
  Serial.println(" cm");
  delay(500);
}
``` [2](https://aykutakman.com/blog/hc-sr04-ultrasonik-sensor-ile-mesafe-olcumu)[4](https://www.incehesap.com/blog/arduino-ile-mesafe-olcme-projesi-ultrasonik-sensor-kullanarak-mesafe-nasil-olculur/).
Kopyala