#include <LiquidCrystal_I2C.h>
#include <DHT.h>
#define DHTPIN 8
#define DHTTYPE DHT22
DHT dht (DHTPIN, DHTTYPE);
LiquidCrystal_I2C lcd(0x27, 16, 2);


void setup() {
  // put your setup code here, to run once:
  pinMode(13, OUTPUT);
  pinMode(12, OUTPUT);
  pinMode(11, OUTPUT);
  pinMode(10, OUTPUT);
  Serial.begin(9600);
  Serial.println("Sistem Monitoring Suhu");
  lcd.begin(16, 2);
  dht.begin();

}

void loop() {
  // put your main code here, to run repeatedly:
  float t = dht.readTemperature();
  float h = dht.readHumidity();

  if(t > 30 ){
    digitalWrite(11, HIGH);
    digitalWrite(12, LOW);
    digitalWrite(13, LOW);
    digitalWrite(10, LOW);
  }
   if(t > 16  & t <= 30){
    digitalWrite(11, LOW);
    digitalWrite(12, HIGH);
    digitalWrite(13, LOW);
    digitalWrite(10, LOW);
  }
  if(t >= 1 & t <= 16){
    digitalWrite(11, LOW);
    digitalWrite(12, LOW);
    digitalWrite(13, HIGH);
    digitalWrite(10, LOW);
  }
  if(t < 1){
    digitalWrite(11, LOW);
    digitalWrite(12, LOW);
    digitalWrite(13, LOW);
    digitalWrite(10, HIGH);
  }
  delay(1000);

//Menampilkan di LCD
  lcd.setCursor(0,0);
  lcd.println("Suhu=");
  lcd.print(t);
  lcd.println(" C");
  lcd.setCursor(0,1);
  lcd.println("Lembab=");
  lcd.print(h);
  lcd.println(" %");

//Menampilkan di serial monitor
  Serial.println("Suhu = ");
  Serial.print(t);
  Serial.println(" C");
  Serial.println("Kelembaban = ");
  Serial.print(h);
  Serial.println(" %");

}