#include <dht.h>
#include <LiquidCrystal_I2C.h>

#define sensorPin 8 
dht Sensor; 
LiquidCrystal_I2C display(0x27,  16, 2); 

int led = 2; 
int buzzer = 3; 

void setup() {
  display.init(); 
  display.clear(); 
  display.backlight(); 

  pinMode(led, OUTPUT);
  pinMode(buzzer, OUTPUT); 

}

void loop() {
  int collect = Sensor.read22(sensorPin);
  float temp = Sensor.temperature;
  float hum = Sensor.humidity;

  if (temp > 30.0)
  {
    digitalWrite(led, HIGH);
    tone(buzzer, 2000);
    delay(100);
    noTone(buzzer);
    delay(100);
  }

  digitalWrite(led, LOW);
  noTone(buzzer);

  display.setCursor(0,0);
  display.print("Temperature:"); 
  display.setCursor(12, 0); 
  display.print(temp); 

  display.setCursor(0,1);
  display.print("Humidity:"); 
  display.setCursor(10, 1);
  display.print(hum); 

  delay(1000); 
  display.clear(); 

}