#include <DHT.h>
#include <LiquidCrystal.h>
const int dhtPin = 14;
int buzzer = 2;
int ledPin = 15;
LiquidCrystal lcd(18, 5, 17, 16, 4, 0);
DHT dht(dhtPin, DHT22);
void setup() {
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  lcd.begin(20, 4);
  lcd.print("Hello worlld");
  pinMode(buzzer , OUTPUT);
  pinMode(ledPin ,OUTPUT);
  delay(1000);
}

void loop() {
lcd.clear();
float temperature = dht.readTemperature();
if(temperature>60){
lcd.setCursor(0, 0);
lcd.print("temperature:");
lcd.print(temperature);
lcd.setCursor(0, 2);
analogWrite(buzzer,0);
lcd.print("BUZZER HIGH");
}
else{
lcd.setCursor(0, 0);
lcd.print("temperature:");
lcd.print(temperature);
lcd.setCursor(0, 2);
analogWrite(buzzer, 4095);
lcd.print("BUZZER LOW");
}
float humidity=dht.readHumidity();
if(humidity<20){
lcd.setCursor(0, 1);
lcd.print("humidity:");
lcd.print(humidity);
lcd.print(temperature);
digitalWrite(ledPin,HIGH);
lcd.setCursor(0, 3);
lcd.print("Led High");
}
else{
lcd.setCursor(0, 1);
lcd.print("humidity:");
lcd.print(humidity);
lcd.print(temperature);
digitalWrite(ledPin,LOW);
lcd.setCursor(0, 3);
lcd.print("Led Low");
}

// Read temperature as Celsius (the default)

delay(1000);
// Wait a few seconds between measurements.
delay(2000);

}