#include <LCD_I2C.h>
LCD_I2C lcd(0x27, 16, 2);

#include "DHT.h"
DHT dht(2, DHT22);

int led1 = 13;
int led2 = 12;
int led3 = 11;
int buzz = 10;

void setup() {
  // put your setup code here, to run once:
  lcd.begin();
  lcd.backlight();
  dht.begin();
  pinMode(led1, OUTPUT);
  pinMode(led2, OUTPUT);
  pinMode(led3, OUTPUT);
  pinMode(buzz, OUTPUT);

}

void loop() {
  // put your main code here, to run repeatedly:
  float suhuC = dht.readTemperature();
  float suhuF = dht.readTemperature(true);
  if (suhuC >= 0 && suhuC <= 23) {
    digitalWrite(led1, HIGH);
    digitalWrite(led2, LOW);
    digitalWrite(led3, LOW);
    digitalWrite(buzz, LOW);
  }
  else if (suhuC >= 24 && suhuC <= 33) {
    digitalWrite(led1, LOW);
    digitalWrite(led2, HIGH);
    digitalWrite(led3, LOW);
    digitalWrite(buzz, LOW);
  }
  else if (suhuC >= 34) {
    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3, HIGH);
    digitalWrite(buzz, HIGH);
    tone(10, 262, 250);
  }
  lcd.setCursor(0, 0);
  lcd.print("Suhu: ");
  lcd.print(suhuC);
  lcd.setCursor(12, 0);
  lcd.print((char)223);
  lcd.print("C");
  lcd.setCursor(0, 1);
  lcd.print("Suhu: ");
  lcd.print(suhuF);
  lcd.setCursor(12, 1);
  lcd.print((char)223);
  lcd.print("F");
}