#include <Servo.h>
int servopin=11;
int servopos1=0;
int servopos2=90;
int servopos3=180;
int lightpin=A5;
int lightval;
int dt=500;
Servo myservo;
void setup() {
  // put your setup code here, to run once:
Serial.begin(9600);
myservo.attach(servopin);
pinMode(lightpin, INPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
lightval=analogRead(lightpin);
Serial.println(lightval);
delay(dt);

if (lightval<=220){
myservo.write(servopos1);

}

if (lightval>=355 && lightval<=600) {
myservo.write(servopos2);
}

if (lightval>=900){
myservo.write(servopos3);

}

}