//Program Monitoring Suhu
//By Rifki Haii

//jika suhu di bawah 22 derajat Celcius maka LED Hijau Menyala 
//jika suhu di antara 23-27 derajat Celcius maka LED Kuning Menyala 
//jika suhu di atas  27 derajat Celcius maka LED Merah  Menyala 

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

LiquidCrystal_I2C lcd(0x27,20,4);
int sensor_suhu = 4; 
float suhu;
float kelembapan; 
#define DHTTYPE DHT22
DHT dht(sensor_suhu,DHTTYPE);

void setup() {
 dht.begin(); 
 lcd.init(); 
 lcd.clear(); 
 lcd.backlight(); 
 lcd.setCursor(0,0); 
 lcd.print(" PROGRAM MONITORING "); 
 lcd.setCursor(0,1); 
 lcd.print(" SUHU BERBASIS DHT 22 "); 
 lcd.setCursor(0,2); 
 lcd.print(" EMBEDDED SYSTEM "); 
 lcd.setCursor(0,3); 
 lcd.print("    XI TEK 1    "); 
delay(3000); 
}

void loop() {
  suhu = dht.readTemperature();
  kelembapan = dht.readHumidity(); 

  lcd.setCursor(0,0); 
 lcd.print("SUHU RUANGAN: ");
 lcd.setCursor(0,1); 
 lcd.print(suhu); 
 lcd.print("  Celcius ");

 lcd.setCursor(0,2); 
 lcd.print(" KELEMBAPAN RUANGAN: ");
 lcd.setCursor(0,3); 
 lcd.print(kelembapan); 
 lcd.print(" % "); 
 delay(100); 
}