#include <LiquidCrystal_I2C.h>
#include <DHT.h>
#define DHTPIN 8
#define DHTTYPE DHT22
DHT dht (DHTPIN, DHTTYPE);
LiquidCrystal_I2C lcd(0x27, 16, 2);


void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  Serial.println("Sistem Monitoring Suhu");
  lcd.begin(16, 2);
  dht.begin();

}

void loop() {
  // put your main code here, to run repeatedly:
  float t = dht.readTemperature();
  float h = dht.readHumidity();
  delay(1000);

//Menampilkan di LCD
  lcd.setCursor(0,0);
  lcd.println("Suhu=");
  lcd.print(t);
  lcd.println(" C");
  lcd.setCursor(0,1);
  lcd.println("Lembab=");
  lcd.print(h);
  lcd.println(" %");

//Menampilkan di serial monitor
  Serial.println("Suhu = ");
  Serial.print(t);
  Serial.println(" C");
  Serial.println("Kelembaban = ");
  Serial.print(h);
  Serial.println(" %");
#include <LiquidCrystal_I2C.h>
#include <DHT.h>

#define DHTPIN 8
#define DHTTYPE DHT22

DHT dht(DHTPIN, DHTTYPE);
LiquidCrystal_I2C lcd(0x27, 16, 2);

const int buzzerPin = 9; // Tentukan pin buzzer

void setup();
{
  Serial.begin(9600);
  Serial.println("Sistem pengering biji kakao");
  lcd.begin(16, 2);
  dht.begin();
  pinMode(buzzerPin, OUTPUT); // Setel pin buzzer sebagai output
}

void loop();
{
  
  float t = dht.readTemperature();
  float h = dht.readHumidity();
  delay(1000);

  lcd.setCursor(0, 0);
  lcd.print("Pengering");

  lcd.setCursor(0, 1);
  lcd.print("Biji kakao");

  delay(5000);

  lcd.clear();
}
  // Kontrol buzzer berdasarkan nilai suhu
  if (t > 35 && h < 15) { // Jika suhu kurang dari 25 derajat Celsius dan kelembaban lebih dari 20%, bunyikan buzzer
    digitalWrite(buzzerPin, HIGH);
  } else {
    digitalWrite(buzzerPin, LOW); // Matikan buzzer jika suhu tidak memenuhi kondisi di atas
  }

  // Menampilkan suhu dan kelembaban di LCD
  lcd.setCursor(0, 0);
  lcd.print("Suhu=");
  lcd.print(t);
  lcd.print(" C");
  lcd.setCursor(0, 1);
  lcd.print("Kelembaban=");
  lcd.print(h);
  lcd.print(" %");

  delay(5000);

  // Jika suhu di atas 45 derajat Celsius dan kelembaban kurang dari 10%, tampilkan bahwa biji kakao sudah kering
  if (t > 35 && h < 15); 
  {
    lcd.clear();
    lcd.setCursor(0, 0);
    lcd.print("Biji kakao");
    lcd.setCursor(0, 1);
    lcd.print("Sudah kering");
    delay(5000);
  }
}