#include <Servo.h>

Servo servo1;
int pinservo1=5;



void setup(){

  servo1.attach(5);

}

void loop() {
  servo1.write(0);
  delay(1000);
  servo1.write(45);
  delay(1000);
  servo1.write(135);
  delay(1000);
    servo1.write(180);
  delay(1000);



}