//Nama : Yogi Waizul Kurni
//NIM  : 210401159

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

#define DHTPIN 8
#define DHTTYPE DHT22
DHT dht(DHTPIN, DHTTYPE);
LiquidCrystal_I2C lcd(0x27, 16, 2);

const int kipasPin = 12;
const int ledPin = 13;  // Pin untuk LED
const int batasSuhuLambat = 35;

void setup() {
  Serial.begin(115200);
  Serial.println("HALO YOGI WAIZUL KURNI");
  lcd.begin(16, 2);
  dht.begin();
  pinMode(kipasPin, OUTPUT);
  pinMode(ledPin, OUTPUT);
}

void loop() {
  float t = dht.readTemperature();
  float h = dht.readHumidity(); // Baca nilai kelembapan
  delay(500);

  if (t < batasSuhuLambat && h < 60 && h >= 30) {
    digitalWrite(kipasPin, HIGH);
    statusKipas("Cepat");
    digitalWrite(ledPin, LOW);

  } else if (t < batasSuhuLambat && h >= 60) {
    digitalWrite(kipasPin, HIGH);
    statusKipas("Lambat");
    digitalWrite(ledPin, LOW);

  } else if (t >= batasSuhuLambat && h < 60 && h >= 30) {
    digitalWrite(kipasPin, HIGH);
    statusKipas("Cepat");
    digitalWrite(ledPin, LOW);

  } else if (t >= batasSuhuLambat && h >= 60) {
    digitalWrite(kipasPin, HIGH);
    statusKipas("Cepat");
    digitalWrite(ledPin, LOW);

  } else {
    digitalWrite(kipasPin, LOW);
    statusKipas("Off");
    digitalWrite(ledPin, HIGH);

  }

  // Menampilkan di LCD
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Suhu=");
  lcd.print(t);
  lcd.print("c");

  lcd.setCursor(0, 1);
  lcd.print("Kelembapan=");
  lcd.print(h);
  lcd.print("%   Kipas=");
  lcd.print(statusKipas(""));
}

String statusKipas(String status) {
  static String kecepatan = "Off";
  if (status != "") {
    kecepatan = status;
  }
  return kecepatan;
}