#include "DHT.h"

#define DHTPIN 14

#define DHTTYPE DHT22   

DHT dht(DHTPIN, DHTTYPE);
byte Buzzer = 25;
byte ledPin = 26;
bool buzzerState= false;
bool ledState= false;
#include <LiquidCrystal.h>
LiquidCrystal lcd(18, 5, 17, 16, 4, 0);
void updateLcd(int data)
{
  lcd.clear();
  lcd.setCursor(0,0);
  // int analogdata = analogRead(potPin);
  lcd.print("ledState:");
  
  lcd.print("buzzerState:");
  lcd.println(data);
}

void setup() 
{
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  dht.begin();
  pinMode(Buzzer, OUTPUT);
  pinMode(ledPin, OUTPUT);
  lcd.begin(16,2);
}

void loop() {
  // put your main code here, to run repeatedly:

  float humidity = dht.readHumidity();
  Serial.println(humidity);
   lcd.setCursor(0,0);
   lcd.print("humidity: ");
   lcd.setCursor(12,0);
   lcd.print(humidity);
  float temperature = dht.readTemperature();
  Serial.println(temperature);
   lcd.setCursor(0,1);
   lcd.print("temp: ");
   lcd.setCursor(10,1);
   lcd.print(temperature);
    if(temperature >= 65)
  {
    
      digitalWrite(Buzzer, HIGH);
      Serial.println("buzzer on");
      // lcd.setCursor(3,0);
      // lcd.print("HUMIDITY");
  }
  else
  {
    digitalWrite(Buzzer, LOW);
      Serial.println("buzzer off");
    
  }


    if(humidity < 20)
    {
      digitalWrite(ledPin, HIGH);
      Serial.println("led on");
    }
    else{
       digitalWrite(ledPin, LOW);
      Serial.println("led off");


    }
    

   
  
  delay(1000); // this speeds up the simulation
}
// }
// }