#include <Servo.h>

Servo servo1; // servo 객체생성

void setup() {
  // put your setup code here, to run once:
  
  servo1.attach(11); 

}

void loop() {
  // put your main code here, to run repeatedly:
  servo1.write(0);
  delay(3000);
  servo1.write(90);
  delay(3000);
  servo1.write(180);
  delay(3000);
}