#include <Servo.h>

int servoPin = 3;
int photoRS = A0;
Servo Servo1;

void setup() {
  // put your setup code here, to run once:
  Servo1.attach(servoPin);
  Serial.begin(9600);
  pinMode(photoRS, INPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  int light = analogRead(photoRS);

  Serial.println(light);
  if(light>700){
    Servo1.write(0);
  }else{
    Servo1.write(0);
    delay(500);
    Servo1.write(100);
    delay(500);
  }

}