#include <DHT.h>

#define MQ2_PIN 34     // Pin analog MQ-2
#define DHTPIN 15      // Pin digital DHT22
#define DHTTYPE DHT22  // Tipe sensor DHT

DHT dht(DHTPIN, DHTTYPE);

void setup() {
  Serial.begin(115200);
  dht.begin();
}

void loop() {
  // Baca nilai gas (MQ-2)
  int mq2Value = analogRead(MQ2_PIN);
  String statusGas = (mq2Value > 800) ? "BAHAYA" : "AMAN";

  // Baca data suhu dan kelembaban (DHT22)
  float suhu = dht.readTemperature();
  float kelembaban = dht.readHumidity();
  
  String statusSuhu = (suhu > 35) ? "BAHAYA" : "AMAN";
  String statusKelembaban = (kelembaban < 30 || kelembaban > 80) ? "BAHAYA" : "AMAN";

  // Gabungkan status
  String statusAkhir = (statusGas == "BAHAYA" || statusSuhu == "BAHAYA" || statusKelembaban == "BAHAYA") ? "BAHAYA" : "AMAN";

  // Tampilkan semua status ke Serial Monitor
  Serial.print("[MQ-2] Nilai Gas: ");
  Serial.print(mq2Value);
  Serial.print(" | Status: ");
  Serial.println(statusGas);

  Serial.print("[DHT22] Suhu: ");
  Serial.print(suhu);
  Serial.print(" °C | Status: ");
  Serial.println(statusSuhu);

  Serial.print("[DHT22] Kelembaban: ");
  Serial.print(kelembaban);
  Serial.print(" % | Status: ");
  Serial.println(statusKelembaban);

  Serial.print("Status Akhir: ");
  Serial.println(statusAkhir);  // Gabungan status keseluruhan

  delay(2000);
}