//Ferdi Aprilian

#include <LiquidCrystal_I2C.h>
#include <DHT.h>
#define LEDmerah 3
#define LEDbiru 2
#define DHTPIN 10
#define DHTTYPE DHT22
DHT dht(DHTPIN, DHT22);
//jika suhu <10 kelembaban 30% lampu biru nyala 
//jika suhu <38 kelembaban 80% lampu merah nyala
LiquidCrystal_I2C lcd (0x27,20,4);
int chk;
float hum;
float temp;

void setup(){
  Serial.begin(9600);
  dht.begin();
  pinMode(LEDmerah,OUTPUT);
  pinMode(LEDbiru,OUTPUT);
}
void loop(){
  hum = dht.readHumidity();
  temp = dht.readTemperature();
    lcd.init();
    lcd.backlight();
    lcd.setCursor(3,0);
    lcd.print("Papan Informasi");
    lcd.setCursor(0,2);//suhu
    lcd.print("suhu      :");
    lcd.setCursor(13,2);
    lcd.print(temp);
    lcd.setCursor(19,2);
    lcd.print("C");
    lcd.setCursor(0,3);//hum
    lcd.print("Kelembaban:");
    lcd.setCursor(13,3);
    lcd.print(hum);
    lcd.setCursor(19,3);
    lcd.print("%");  
  if (temp>38&&hum>80){
  digitalWrite(LEDmerah, HIGH);
  delay(150);
  digitalWrite(LEDmerah, LOW);
  delay(150);
  } else if (temp<10&&hum<30){
digitalWrite(LEDbiru, HIGH);
  delay(150);
  digitalWrite(LEDbiru, LOW);
  delay(150);
  }else{
    digitalWrite(LEDmerah, LOW);
    digitalWrite(LEDbiru, LOW);
  }
}