#include "dht.h"
#include <liquidcrystal_i2c.h>
const int dhtpin = 2;
const int dhttype = dht22;
liquidcrystal_i2c lcd(0x27,16,2);
int led1 = 13;
int led2 = 12;

dht dht(dhtpin, dhttype);
void setup() {
  // put your setup code here, to run once:
 serial.begin(9600);
 dht.begin();
 lcd.init(); 
  lcd.backlight();
  lcd.home();
 pinmode(led1, output);
 pinmode(led2, output);
}

void loop() {
  // put your main code here, to run repeatedly:
 float h = dht.readhumidity();
 float t = dht.readtemperature();
 // in giá trị đã đo ra màn hình serial.println();
  lcd.setcursor(0,0);
 lcd.print("nhiet do:");
lcd.print(t);
lcd.print(" c");
 lcd.setcursor(1,1);
 lcd.print("do am: ");
lcd.print(h);
lcd.print("%");
 if (t >30){
  digitalwrite (led1, high);
 }
 else{ 
  digitalwrite (led1, low);
 }
 if (h <50){
   digitalwrite(led2, high);
 }
 else{
   digitalwrite(led2, low);
 }
}