#include <Servo.h> 
 
Servo myservo; 
 
void setup() { 
  myservo.attach(2)  // attaches a servo connected to pin 2 
} 
 
void loop() { 
  if(myservo.attached()) {  // If the servo is attached 
    myservo.write(90);  // position the servo angle at 90 degrees 
    myservo.detach();  // detach the servo motor 
  } 
}