#include <LiquidCrystal_I2C.h>
#include <DHT.h>
#define DHTPIN 7
#define DHTTYPE DHT22

DHT dht (DHTPIN, DHTTYPE);
LiquidCrystal_I2C lcd(0x27, 16, 2);
const int led6=6;
const int led4=4;
const int led2=2;
 
void setup() {
  // put your setup code here, to run once:
Serial.begin(9600);
Serial.println("Sistem Monitoring Suhu");
lcd.begin(16, 2);
dht.begin();
pinMode(6, OUTPUT);
pinMode(4, OUTPUT);
pinMode(2, OUTPUT);

}

void loop() {
  // put your main code here, to run repeatedly:
float t = dht.readTemperature();
float h = dht.readHumidity();
if(t>35) { digitalWrite(6, HIGH);}
else{digitalWrite(6, LOW); }

if(t>=30 && t<=35) { digitalWrite(4, HIGH);}
else{digitalWrite(4, LOW); }

if(t<30){ digitalWrite(2, HIGH);}
else{digitalWrite(2, LOW); }
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("%");

}