#include "LiquidCrystal_I2C.h"
#include <Servo.h>
Servo myservo;
LiquidCrystal_I2C lcd(0x27, 16, 2);
int irPin = 2;
int count = 0;
int dcPin = 11;

boolean state = true;
const int kirmiziPin = 8; //Kırmızı LED'i 8 nolu pine sabitledik
const int yesilPin = 9; //Yeşil LED'i 9 nolu pine sabitledik
const int maviPin = 10; //Mavi LED'i 10 nolu pine sabitledik
void setup() {
  // initialize
  myservo.attach(7);
  myservo.write(0);
  lcd.init();
  lcd.backlight();
  pinMode(irPin, INPUT);
  pinMode(dcPin, OUTPUT);
  pinMode(kirmiziPin, OUTPUT);
  pinMode(yesilPin, OUTPUT);
  pinMode(maviPin, OUTPUT);
  lcd.setCursor(0, 0);
  lcd.print("PERSON");
}
void loop()
{
  if (count <= 3 && count > 0) {
    myservo.write(0);
    digitalWrite(yesilPin, HIGH);
  }
  if (count >= 4 && count < 5) {
    myservo.write(0);
    analogWrite(kirmiziPin, 255);
    analogWrite(yesilPin, 153);
    analogWrite(maviPin, 51);
  }

  if (!digitalRead(irPin) && state && count < 5) {
    count++;
    myservo.write(0);
    state = false;
    Serial.print("Count: ");
    Serial.println(count);
    lcd.setCursor(12, 0);
    lcd.print(count);
    delay(100);
  }
  if (count == 5)
  {
    myservo.write(90);
    analogWrite(kirmiziPin, 255);
    analogWrite(yesilPin, 0);
    analogWrite(maviPin, 0);
    digitalWrite(dcPin, HIGH);
    delay(5000);
    digitalWrite(dcPin, LOW);
    count++;
  }
  if (count > 5) {
    delay(2000);
    lcd.clear();
    lcd.setCursor(0, 1);
    lcd.print("FULL! ");
  }

  if (digitalRead(irPin))
  {
    state = true;
    delay(100);
  }
}