#include "DHT.h"
#include <LiquidCrystal_I2C.h>
#include <Servo.h>
#define DHTPIN 2     
#define DHTTYPE DHT22   // DHT 22  (AM2302), AM2321


LiquidCrystal_I2C lcd(0x27, 20, 4);
DHT dht(DHTPIN, DHTTYPE);

Servo myservo;
int potpin=0;
int val=0;

const int pinBuzzer = 4;


void setup() {
  Serial.begin(115200);
  Serial.println(F("DHT22 example!"));

dht.begin();
myservo.attach(9);

pinMode(pinBuzzer, OUTPUT);

lcd.init();
lcd.backlight();
  
}

void loop() {
  float temperature = dht.readTemperature();
  float humidity = dht.readHumidity();

  // Check if any reads failed and exit early (to try again).
  if (isnan(temperature) || isnan(humidity)) {
    Serial.println(F("Failed to read from DHT sensor!"));
    return;
  }

if (temperature>=35){

val = analogRead(potpin);
val = map(val, 45, 45, 45, 45);
myservo.write(val);
delay(15);
  
digitalWrite(pinBuzzer, HIGH); 
  delay(200);                      
  digitalWrite(pinBuzzer, LOW);    
  delay(200);                       
  digitalWrite(pinBuzzer, HIGH);    
  delay(200);                       
  digitalWrite(pinBuzzer, LOW);     
  delay(1000);

lcd.clear();
lcd.setCursor(1,0);
lcd.print("Suhu: ");
lcd.setCursor(7,0);
lcd.print(temperature);
lcd.setCursor(13,0);
lcd.print("C");
lcd.setCursor(1,1);
lcd.print("BUZZER MENYALA");

}
else{

val = analogRead(potpin);
val = map(val, 0, 0, 0, 0);
myservo.write(val);
delay(15);

  digitalWrite(pinBuzzer, LOW);
  lcd.clear();
  lcd.setCursor(1,0);
lcd.print("Suhu: ");
lcd.setCursor(7,0);
lcd.print(temperature);
lcd.setCursor(13,0);
lcd.print("C");
lcd.setCursor(1,1);
lcd.print("BUZZER MATI");
}






  Serial.print(F("Humidity: "));
  Serial.print(humidity);
  Serial.print(F("%  Temperature: "));
  Serial.print(temperature);
  Serial.println(F("°C "));

                      


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