#include <LiquidCrystal_I2C.h>
#include <DHT.h>
#define redLED1 13     // LED merah 1
#define yellowLED1 12  // LED kuning 1
#define DHTPIN 10 
#define DHTTYPE DHT22
DHT dht (DHTPIN, DHT22) ;

LiquidCrystal_I2C lcd(0x27,20,4);
int chk;
float hum;
float temp;

void setup() {
  pinMode(redLED1, OUTPUT);
  pinMode(yellowLED1, OUTPUT);
  Serial.begin(9600);
  dht.begin();
}
void loop () {
  digitalWrite(redLED1, HIGH);    
  delay(1000); // Tunggu 1 detik
  digitalWrite(redLED1, LOW);

  // LED kuning 1
  digitalWrite(yellowLED1, HIGH); 
  delay(1000); // Tunggu 1 detik
  digitalWrite(yellowLED1, LOW);
  
  hum = dht.readHumidity();
  temp = dht.readTemperature();
  lcd.init();
  lcd.backlight();
  lcd.setCursor(3,0);
  lcd.print("papan informasi");
  lcd.setCursor(0,2);
  lcd.print("suhu   :");
  lcd.setCursor(13,2);
  lcd.print(temp);
  lcd.setCursor(19,2);
  lcd.print("c");
  //kelembapan
  lcd.setCursor(0,3);
  lcd.print("kelembapan");
  lcd.setCursor(13,3);
  lcd.print(hum);
  lcd.setCursor(19,3);
  lcd.print("&");
//delay(500);
//lcd.clear();
 
}