#include <Servo.h>
const int SENSOR_PIN = 9; //pin untuk sensor infrared

int obstacleCount = 0; //variabel untuk menyimpan jumlah objek terdeteksi
int previousState = HIGH; //status sensor sebelumnyaa
int servoPin=9;
Servo servo1;

void setup() {
  servo1.attach(servoPin);
}
void loop() {

  servo1.write(0);//iki derajat rek
  delay(500);
  servo1.write(90);
  delay(500);
  servo1.write(45);
  delay(500);
  servo1.write(180);
  delay(500);

}