#include <Servo.h> //adding servo library
Servo myservo; //declaring servo's name




void setup() {
  // put your main code here, to run repeatedly:
  myservo.attach(3); // pin 2 sebagai pin sinyal servo
}

void loop() {
  for (int sudut = 0; sudut <= 180; sudut++) {
    myservo.write(sudut);
    delay(100);
  }
  for (int sudut = 180; sudut >= 0; sudut--) {
    myservo.write(sudut);
    delay(100);
  }
}