#include <Servo.h>
    Servo myServo;
    void setup() {
      myServo.attach(9); // Attach servo on pin 9
      myServo.write(90); // Set to middle position (90 degrees)
    }
    void loop() {
      // Move to 0 degrees
      myServo.write(0);
      delay(1000);
      // Move to 180 degrees
      myServo.write(180);
      delay(1000);
    }