#include <Wire.h> 
#include <LiquidCrystal_I2C.h>
#include "DHT.h"
LiquidCrystal_I2C lcd(0x27,16,2);

DHT dht22(2,DHT22);
float h=0.0;
float t=0.0;
float hlast=0.0;
float tlast=0.0;
char TStr[4];
char HStr[4];



void setup() {
  // put your setup code here, to run once:
  lcd.init();                     
  lcd.backlight();// Включаем подсветку дисплея
  lcd.print("iarduino.ru");
  lcd.setCursor(8, 1);
  lcd.print("LCD 1602");
  dht22.begin();
  lcd.clear();

}

void loop() {
  // put your main code here, to run repeatedly:
  delay(2000);
  h = dht22.readHumidity();
  t = dht22.readTemperature();
  lcd.setCursor(0,0);
  lcd.print(h);
  lcd.setCursor(0,1);
  lcd.print(t);
  /*
  if((h != hlast) || (t != tlast))
  {
    dtostrf(h,2,1,HStr); // преобразование в строку char
    dtostrf(t,2,1,TStr);
  }
  */
}