#include <DHT.h>
#include <LiquidCrystal_I2C.h>
#include <Servo.h>

#define YELLOWLIGHT_PIN 13
#define BLUELIGHT_PIN 12

#define DHT_PIN 5
#define DHT_TYPE DHT22
#define I2C_ID    0x27
#define LCD_COLUMNS 16
#define LCD_LINES   2

LiquidCrystal_I2C lcd(I2C_ID, LCD_COLUMNS, LCD_LINES);
DHT dht(DHT_PIN, DHT_TYPE);
Servo servo;


byte degree[] = { B00111, B00101, B00111, B00000, B00000, B00000, B00000, B00000 };

void setup() {
  pinMode(YELLOWLIGHT_PIN, OUTPUT);
  pinMode(BLUELIGHT_PIN, OUTPUT);

  lcd.init();
  lcd.backlight();
  lcd.createChar(0, degree);
  dht.begin();
  servo.attach(3);
  servo.write(0);
}

void loop() {
  delay(10);

  float h = dht.readHumidity();
  float t = dht.readTemperature();

  lcd.setCursor(0, 0);
  lcd.print("Humid:");
  lcd.setCursor(7, 0);
  lcd.print(h);
  lcd.setCursor(13, 0);
  lcd.print("%");

  lcd.setCursor(0, 1);
  lcd.print("Temp:");
  lcd.setCursor(6, 1);
  lcd.print(t);
  lcd.setCursor(11, 1);
  lcd.write(degree);
  lcd.setCursor(12, 1);
  lcd.print("C");

  if (h < 50) {
    digitalWrite(YELLOWLIGHT_PIN, HIGH);
    digitalWrite(BLUELIGHT_PIN, LOW);

    servo.write(90);
    delay(100);
  } else {
    digitalWrite(YELLOWLIGHT_PIN, LOW);
    digitalWrite(BLUELIGHT_PIN, HIGH);

    servo.write(0);
  }

  delay(100);
}