commit 6f61202865eff70f360af864c603f37fd02ddd4e
Author: ardha_pria <ardhapria44@gmail.com>
Date:   Tue Aug 5 11:05:41 2025 +0700

    Upload files to "/"

diff --git a/PROJECT_SMARTAMONIA.ino b/PROJECT_SMARTAMONIA.ino
new file mode 100644
index 0000000..2c88027
--- /dev/null
+++ b/PROJECT_SMARTAMONIA.ino
@@ -0,0 +1,183 @@
+#include <WiFi.h>
+#include <Wire.h>
+#include <LiquidCrystal_I2C.h>
+#include <DHT.h>
+#include <Firebase_ESP_Client.h>
+#include "addons/TokenHelper.h"
+#include "addons/RTDBHelper.h"
+#include <time.h>
+
+// WiFi
+#define WIFI_SSID "redmii"
+#define WIFI_PASSWORD "87654321"
+
+// Firebase
+#define API_KEY "AIzaSyAEe82VtGAo4Q1zA1UPGWvLjJ0Bh_7ogdU"
+#define DATABASE_URL "https://amonia-a027f-default-rtdb.asia-southeast1.firebasedatabase.app/"
+#define USER_EMAIL "ardhaxiomi11@gmail.com"
+#define USER_PASSWORD "Ayam.1234"
+
+FirebaseData fbdo;
+FirebaseAuth auth;
+FirebaseConfig config;
+
+// DHT11
+#define DHTPIN 14
+#define DHTTYPE DHT11
+DHT dht(DHTPIN, DHTTYPE);
+
+// MQ135
+#define MQ135_PIN 34
+const float R0 = 9.50;
+const float RL = 10.0;
+
+// Aktuator
+#define RELAY1_PIN 4
+#define RELAY2_PIN 12
+#define BUZZER_PIN 13
+
+// LCD
+LiquidCrystal_I2C lcd(0x27, 16, 2);
+
+// Interval pengiriman history (5 menit)
+unsigned long lastHistorySendTime = 0;
+const unsigned long historyInterval = 5 * 60 * 1000; // 5 menit
+
+// Tambahan: kendali manual buzzer
+int buzzerOverride = -1; // -1 = otomatis, 0 = buzzer mati manual
+
+void setup() {
+  Serial.begin(115200);
+  dht.begin();
+  lcd.init();
+  lcd.backlight();
+  pinMode(RELAY1_PIN, OUTPUT);
+  pinMode(RELAY2_PIN, OUTPUT);
+  pinMode(BUZZER_PIN, OUTPUT);
+  digitalWrite(RELAY1_PIN, LOW);
+  digitalWrite(RELAY2_PIN, LOW);
+  digitalWrite(BUZZER_PIN, LOW);
+
+  WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
+  while (WiFi.status() != WL_CONNECTED) {
+    delay(500);
+    Serial.print(".");
+  }
+  Serial.println("\nWiFi Connected");
+
+  // Sinkronisasi waktu NTP (GMT+7)
+  configTime(25200, 0, "pool.ntp.org", "time.nist.gov");
+  struct tm timeinfo;
+  while (!getLocalTime(&timeinfo)) {
+    Serial.println("Gagal sinkronisasi waktu");
+    delay(1000);
+  }
+
+  // Firebase
+  config.api_key = API_KEY;
+  config.database_url = DATABASE_URL;
+  auth.user.email = USER_EMAIL;
+  auth.user.password = USER_PASSWORD;
+  config.token_status_callback = tokenStatusCallback;
+  Firebase.begin(&config, &auth);
+  Firebase.reconnectWiFi(true);
+}
+
+void loop() {
+  // Baca waktu
+  struct tm timeinfo;
+  if (!getLocalTime(&timeinfo)) {
+    Serial.println("Gagal dapat waktu");
+    return;
+  }
+
+  time_t nowEpoch = mktime(&timeinfo);
+  char datetimeStr[25];
+
+  // ✅ Ganti separator waktu ke titik: YYYY-MM-DD-HH.MM.SS
+  strftime(datetimeStr, sizeof(datetimeStr), "%Y-%m-%d-%H.%M.%S", &timeinfo);
+
+  // Baca sensor
+  float temp = dht.readTemperature();
+  float hum = dht.readHumidity();
+  int analogValue = analogRead(MQ135_PIN);
+  float voltage = analogValue * (3.3 / 4095.0);
+  float Rs = ((3.3 * RL) / voltage) - RL;
+  float ratio = Rs / R0;
+  float ppm = 116.6020682 * pow(ratio, -2.769034857);
+  float correctedPPM = ppm - 41.0;
+  if (correctedPPM < 0) correctedPPM = 0;
+
+  // 🔔 Ambil status buzzer manual dari Firebase
+  if (Firebase.ready()) {
+    if (Firebase.RTDB.getString(&fbdo, "/amonia_monitoring_realtime/buzzer")) {
+      String sValue = fbdo.stringData();
+      int overrideValue = sValue.toInt();
+      buzzerOverride = overrideValue;
+      Serial.print("Buzzer Override (from Firebase): ");
+      Serial.println(buzzerOverride);
+    }
+  }
+
+  // Aktuator
+  if (correctedPPM > 25.0) {
+    digitalWrite(RELAY1_PIN, HIGH); // Kipas selalu ON jika ppm tinggi
+    if (buzzerOverride == 0) {
+      digitalWrite(BUZZER_PIN, LOW); // Manual matikan buzzer
+    } else {
+      digitalWrite(BUZZER_PIN, HIGH); // Otomatis ON buzzer
+    }
+  } else {
+    digitalWrite(RELAY1_PIN, LOW);  // Kipas OFF jika ppm aman
+    digitalWrite(BUZZER_PIN, LOW);  // Buzzer OFF
+  }
+
+  // Relay2 otomatisasi lampu
+  if (temp < 30.0) {
+    digitalWrite(RELAY2_PIN, HIGH); // Lampu ON
+  } else {
+    digitalWrite(RELAY2_PIN, LOW); // Lampu OFF
+  }
+
+  // LCD realtime
+  lcd.clear();
+  lcd.setCursor(0, 0);
+  lcd.print("T:");
+  lcd.print(temp, 1);
+  lcd.print((char)223); // derajat
+  lcd.print("C H:");
+  lcd.print(hum, 0);
+  lcd.print("%");
+
+  lcd.setCursor(0, 1);
+  char buffer[9];
+  sprintf(buffer, "%02d:%02d:%02d", timeinfo.tm_hour, timeinfo.tm_min, timeinfo.tm_sec);
+  lcd.print(buffer);
+  lcd.print(" ");
+  lcd.print((int)correctedPPM); // ✅ PPM ditampilkan sebagai bulat
+  lcd.print("ppm");
+
+  // Kirim data realtime (SETIAP DETIK)
+  if (Firebase.ready()) {
+    String realtimePath = "/amonia_monitoring_realtime";
+    Firebase.RTDB.setFloat(&fbdo, realtimePath + "/temperature", temp);
+    Firebase.RTDB.setFloat(&fbdo, realtimePath + "/humidity", hum);
+    Firebase.RTDB.setFloat(&fbdo, realtimePath + "/ppm", (int)correctedPPM); // ✅ Bulatkan
+    Firebase.RTDB.setString(&fbdo, realtimePath + "/waktu", String(datetimeStr));
+  }
+
+  // Kirim data historis (TIAP 5 MENIT)
+  unsigned long currentMillis = millis();
+  if (currentMillis - lastHistorySendTime >= historyInterval || lastHistorySendTime == 0) {
+    lastHistorySendTime = currentMillis;
+    String timestamp = String(nowEpoch);
+    String historyPath = "/amonia_monitoring_history/" + timestamp;
+
+    Firebase.RTDB.setFloat(&fbdo, historyPath + "/temperature", temp);
+    Firebase.RTDB.setFloat(&fbdo, historyPath + "/humidity", hum);
+    Firebase.RTDB.setFloat(&fbdo, historyPath + "/ppm", (int)correctedPPM); // ✅ Bulatkan
+    Firebase.RTDB.setString(&fbdo, historyPath + "/waktu", String(datetimeStr));
+  }
+
+  delay(1000); // Loop delay 1 detik
+}