#include <Servo.h>

int pos = 0;

Servo servo_2;

void setup()
{
  servo_2.attach(2, 500, 2500);

  servo_2.write(0);
  delay(1500); 
  servo_2.write(90);
  delay(1500); 
  servo_2.write(180);
  delay(1500); 
}

void loop()
{
  delay(10);
}