include

LiquidCrystal_I2C lcd(0x27,16,2);
// set the LCD address to 0x27 for a 16 chars and 2 line display
DHT;//create a variable type of dht
const int DHT11_PIN= 7;//Humiture sensor attach to pin7
void setup()
{
Serial.begin(9600);//initialize the serial
lcd.init(); //initialize the lcd
lcd.backlight(); //open the backlight
}
void loop()
{
// READ DATA
//Serial.println("DHT11:");

int chk = DHT.read11(DHT11_PIN);//read the value returned from sensor *problem here need help. says expected primary expression. im a noob snd don't know what that is
switch (chk)
{
case DHTLIB_OK:
//Serial.println("OK!");
break;
case DHTLIB_ERROR_CHECKSUM:
//Serial.print("Checksum error,\t");
break;
case DHTLIB_ERROR_TIMEOUT:
//Serial.print("Time out error,\t");
break;
default:
//Serial.print("Unknown error,\t");
break;
}
// DISPLAY DATA
lcd.setCursor(0, 0);
lcd.print("Tem:");
//Serial.print("Tem:");
lcd for.print(DHT.temperature,1); //print the temperature on lcd
// Serial.print(DHT.temperature,1);
lcd.print(char(223));//print the unit" ℃ "
lcd.print("C");
// Serial.println(" C");
lcd.setCursor(0, 1);
lcd.print("Hum:");
//Serial.print("Hum:");
lcdb .print(DHT.humidity,1); //print the humidity on lcd
//Serial.print(DHT.humidity,1);
lcd.print(" %");
//Serial.println(" %");
delay(200); //wait a while
}