#include <LiquidCrystal_I2C.h>
#include <DHTesp.h>

#define led_merah 12
#define led_kuning 14
#define led_biru 27
#define dht 15
#define buzzer 26
#define height 64
#define width 128

DHTesp dhtSensor;

LiquidCrystal_I2C lcd(0x27, 20, 4);
char destination[8];

void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  pinMode(led_merah, OUTPUT);
  pinMode(led_kuning, OUTPUT);
  pinMode(led_biru, OUTPUT);
  pinMode(buzzer, OUTPUT);

  dhtSensor.setup(dht, DHTesp::DHT22);
  lcd.init();
}

void loop() {
  // put your main code here, to run repeatedly:
  float temp = dhtSensor.getTemperature();
  lcd.setCursor(0, 0);
  lcd.print("SUHU : ");
  dtostrf(temp, 5, 2, destination);
  lcd.setCursor(6, 0);
  lcd.print(destination);

  if (temp < 29) {
    digitalWrite(led_merah, LOW);
    digitalWrite(led_kuning, LOW);
    digitalWrite(led_biru, HIGH);
    lcd.setCursor(0, 1);
    lcd.print("SUHU RENDAH");
  } else if (temp >= 29 && temp < 35) {
    digitalWrite(led_merah, LOW);
    digitalWrite(led_kuning, HIGH);
    digitalWrite(led_biru, LOW);
    lcd.setCursor(0, 1);
    lcd.print("SUHU CUKUP ");
  } else {
    digitalWrite(led_merah, HIGH);
    digitalWrite(led_kuning, LOW);
    digitalWrite(led_biru, LOW);
    lcd.setCursor(0, 1);
    lcd.print("SUHU PANAS ");
    tone (buzzer, 800, 300);
    delay(200);
    tone (buzzer, 1600, 300);
    delay(200);
  }
}