#include "DHT.h"
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);
#define DHTPIN 2     
#define DHTTYPE DHT22   // DHT 22  (AM2302), AM2321

DHT dht(DHTPIN, DHTTYPE);

void setup() {
  Serial.begin(9600);
  Serial.println(F("DHTxx test!"));

  dht.begin();
 lcd.backlight();
  lcd.begin(16, 2);
}

void loop() {
  delay(1000);

  
  float h = dht.readHumidity();//อ่านค่าความชื้น
  float t = dht.readTemperature();//อ่านค่าอุณหภูมิ
  //float f = dht.readTemperature(true);

  
  if (isnan(h) || isnan(t)){
    Serial.println(F("Failed to read from DHT sensor!"));
    return;
  }

 
 //float hif = dht.computeHeatIndex(f, h);
 //float hic = dht.computeHeatIndex(t, h, false);

  Serial.print(F("Humidity: "));
  Serial.println(h);
  Serial.print(F("%  Temperature: "));
  Serial.println(t);
  
  lcd.home();
  lcd.print("Temp : ");
  lcd.print(t);
  lcd.setCursor(0, 1);
  lcd.print("Humidity : ");
  lcd.print(h);
  lcd.print("%");
  
}