#include<Wire.h> 
#include <Liquid Crystal_I2C.h> 
#include <DHT.h> 
DHT dht(15,DHT22); 
Liquidcrystal_I2C_lcd(0×27,16,2); 
void setup(){ 
  Serial.begin(9600); 
  Wire.begin(18,5); 
  Lcd begin(16,2); 
  Lcd.home(); 
  dht.begin(); 
} 
void loop(){ 
  float h=dht.readHumidity(); 
  float t=dht.readTemperature(); 
  if(isnan(h)||isnan(t)){ 
    return; 
  } 
  Serial.println("HUMIDITY="); 
  Serial.println(h); 
  Serial.println("TEMPERATURE "); 
  Serial.println(r); 
}