#include <Servo.h>

#define BUTTON_PIN 2
#define LED_PIN 4
#define SERVO_PIN 3
Servo servo;
void setup(){
  pinMode(BUTTON_PIN, INPUT);
  pinMode(LED_PIN, OUTPUT);
  pinMode(SERVO_PIN, OUTPUT);
  servo.attach(SERVO_PIN);
  servo.write(0);
}
void loop(){
  int buttonState=digitalRead(BUTTON_PIN);
  if(buttonState==HIGH){
    digitalWrite(LED_PIN, HIGH);
    delay(1000);
    servo.write(180);
    delay(2000);
  }else {
    digitalWrite(LED_PIN,LOW);
    servo.write(0);
  }

}