#include <DHT.h>
#include <LiquidCrystal_I2C.h>

DHT dht(4, DHT22);
LiquidCrystal_I2C lcd(0x27, 16, 2);

void setup() {
  Serial.begin(9600);
  lcd.init();
  dht.begin();
}

void loop() {
  // int 
  float h = dht.readHumidity(); 
  lcd.setCursor(5, 0); //column, row
  lcd.print("Humidity: ");
  lcd.setCursor(0, 1);
  lcd.print(h);
  if (h > 20){
    tone(2, 250, 250); 
    // Turn the buzzer on, first number = pin number,
    // second number = frequency, i.e. pitch, third = duration
  }
  Serial.println(h);
  delay(1000);
}