#include <Servo.h>
#define servoPin 3
Servo s;
#define led 13


void setup() {
  // put your setup code here, to run once:
  s.attach(servoPin);
pinMode(led, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
s.write(90);
digitalWrite(led, HIGH);
delay(2000);
s.write(0);
digitalWrite(led, LOW);
delay(2000);
}