#include <LiquidCrystal_I2C.h>
#include <DHT.h>
DHT dht(10 , DHT22);
LiquidCrystal_I2C lcd(0x27,16,2);
int led_red = 8;
int led_green = 11;
float temp;
float humid;

int buzzer = 2;
void setup() {
  Serial.begin(9600);
  pinMode(led_red,OUTPUT);
  pinMode(led_green,OUTPUT);
  dht.begin();
  lcd.init();
  lcd.backlight();
}
void loop() {
  humid = dht.readHumidity();
  lcd.setCursor(0,0);
  lcd.print("Humidity: ");
  lcd.print(humid);
  lcd.println("%");
  if(humid > 60){
    digitalWrite(led_red,1);
    digitalWrite(led_green,0);
    tone(buzzer,896,100);
    delay(100);
    noTone(buzzer);
    delay(100);
    lcd.setCursor(3,1);
    lcd.print("Dangerous");
  }
  else if(humid <=60){
    digitalWrite(led_red,0);
    digitalWrite(led_green,1);
    lcd.setCursor(0,1);
    lcd.print("normal Humidity");
  }
}