const int trigPin1 = 13;  // Sensor 1 mendeteksi masuk (Entrance)
const int echoPin1 = 12;

long durasi1;
float jarak1;
int count = 0;  // Variabel counting objek


void setup() {
  Serial.begin(115200);
  pinMode(trigPin1, OUTPUT);
  pinMode(echoPin1, INPUT);


}

void loop() {
  // Sensor 1 - Entrance
  digitalWrite(trigPin1, LOW);
  delayMicroseconds(2);
  digitalWrite(trigPin1, HIGH);
  delayMicroseconds(10);
  digitalWrite(trigPin1, LOW);
  
  durasi1 = pulseIn(echoPin1, HIGH);
  jarak1 = durasi1 * 0.034 / 2;


  // Jika objek terdeteksijarak kurang dari 10 cm, dianggap objek masuk/terdeteksi
  if (jarak1 < 10) {
    count++;  // Tambahan counting objek
    lcd.setCursor(0, 0);
    lcd.print("OBJEK MASUK");
    lcd.setCursor(0, 1);
    lcd.print("COUNT: ");
    lcd.print(count);
    delay(2000);
    lcd.clear();
  
  }

  }


  delay(500);  // Delay 
}