#include <DHT.h>
#include <LiquidCrystal.h>
byte buzzerpin=12;
byte ledpin=19;
const int dhtPin = 14;
DHT dht(dhtPin, DHT22);
LiquidCrystal lcd(18, 5, 17, 16, 4, 0);
void setup() {
  Serial.begin(115200);
  lcd.begin(16, 2);
  dht.begin();
  pinMode(buzzerpin, OUTPUT);
  pinMode(ledpin, OUTPUT);
}
void loop() {

delay(2000);

float humidity=dht.readHumidity();
Serial.println(humidity);

float temperature = dht.readTemperature();
Serial.println(temperature);
lcd.clear();
if(humidity<20)
{
    digitalWrite(ledpin, HIGH);
    lcd.setCursor(0, 0);
    lcd.print("LED : ON");
}
 
else
  {
    digitalWrite(ledpin, LOW);
    lcd.setCursor(0, 0);
    lcd.print("LED : OFF" );

  }
if(temperature>50)
{
  
    digitalWrite(buzzerpin, HIGH);
    lcd.setCursor(0, 1);
    lcd.print("BUZZER : ON");
}
else
{
    digitalWrite(buzzerpin, LOW);
    lcd.setCursor(0, 1);
    lcd.print("BUZZER : OFF");

}
}