📱 Aplikasi Monitoring Pengering Ikan

Aplikasi mobile untuk monitoring sistem pengering ikan otomatis berbasis IoT dengan ESP32.

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🎯 Fitur Utama

• ✅ Monitoring Real-time - Data update setiap 5 detik
• ✅ Push Notifications - Notifikasi status pengeringan
• ✅ Dashboard Lengkap - Suhu, berat, target, status device
• ✅ Cloud Backend - Data tersimpan di Railway MySQL
• ✅ Display Only - Monitoring tanpa kontrol manual

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🏗️ Arsitektur Sistem

ESP32 (Hardware)
    ↓
    ↓ MQTT Publish
    ↓
Backend Railway (Node.js)
    ↓
    ↓ Save to Database
    ↓
MySQL Database
    ↑
    ↑ API Polling (5 detik)
    ↑
Aplikasi Flutter (Android)

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📦 Komponen

1. Hardware (ESP32)

• File: esp32_pengering_ikan_railway.ino
• Sensor: DHT22 (suhu), HX711 (berat)
• Relay: 4 channel (Heater, Fan, Lamp, Exhaust)
• Koneksi: WiFi + MQTT

2. Backend (Node.js)

• Folder: backend/
• Framework: Express.js
• Database: MySQL (Railway)
• MQTT Client: Subscribe dari ESP32
• REST API: Endpoint untuk aplikasi

3. Mobile App (Flutter)

• Folder: lib/
• Platform: Android
• Update: API polling 5 detik
• Notifikasi: flutter_local_notifications

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🚀 Quick Start

Build APK:

# Jalankan script build
.\build-with-icon.ps1

# Atau manual
flutter build apk --release

Install di HP:

1. Copy PengeringIkan.apk dari Desktop
2. Install di HP Android
3. Izinkan notifikasi
4. Buka aplikasi

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📱 Tampilan Aplikasi

Status Card

• Status sistem (READY, SCANNING, BERJALAN, SELESAI)
• Waktu mulai & durasi
• Pesan status

Metrics

• 🌡️ Suhu (°C)
• ⚖️ Berat (gram)
• 🎯 Target berat (gram)

Device Status

• 🔥 Heater (ON/OFF)
• 💨 Fan (ON/OFF)
• 🌪️ Exhaust (ON/OFF)

Connection Indicator

• ☁️🟢 API Connected
• ☁️🔴 API Disconnected

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🔔 Notifikasi

Aplikasi mengirim push notification saat:

1. Pengeringan Siap (Status → READY)
2. Ikan Terdeteksi (Status → BERJALAN)
3. Pengeringan Selesai (Status → SELESAI)

Notifikasi muncul di dalam & luar aplikasi.

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🔧 Konfigurasi

Backend URL:

// lib/services/api_service.dart
static const String baseUrl = 'https://web-production-47eb.up.railway.app';

Polling Interval:

// lib/screens/dashboard_screen_with_api.dart
Timer.periodic(const Duration(seconds: 5), ...);

MQTT Topics (Backend):

// backend/server.js
const TOPIC_DATA = 'novil/pengering/data';
const TOPIC_STATUS = 'novil/pengering/status';
const TOPIC_CONTROL = 'novil/pengering/control';

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📊 API Endpoints

Dokumentasi lengkap: backend/API_DOCUMENTATION.md

Main Endpoints:

• GET / - Health check
• GET /api/data/latest - Data sensor terbaru
• GET /api/data/history - Riwayat data
• GET /api/status/history - Riwayat status
• GET /api/stats - Statistik

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🛠️ Development

Requirements:

• Flutter SDK 3.5+
• Android SDK
• Node.js 18+
• MySQL 8.0+

Setup Backend:

cd backend
npm install
npm start

Setup Flutter:

flutter pub get
flutter run

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📄 Dokumentasi

• APK_MONITORING_FINAL.md - Panduan lengkap aplikasi
• PERBAIKAN_APK_FINAL.md - Changelog & perbaikan
• PERBAIKAN_STATUS_MQTT.md - Penjelasan API only
• backend/API_DOCUMENTATION.md - API reference

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🔍 Troubleshooting

Icon Cloud Merah?

• Cek koneksi internet HP
• Test backend: https://web-production-47eb.up.railway.app/
• Restart aplikasi

Data Tidak Update?

• Pastikan icon cloud hijau
• Cek ESP32 status (WiFi connected)
• Cek backend logs di Railway

Notifikasi Tidak Muncul?

• Izinkan notifikasi di Settings
• Disable battery optimization
• Cek status berubah di ESP32

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📝 Version History

v1.0.0 (1 Juni 2026) - Current

• ✅ Monitoring only (no control)
• ✅ API polling 5 detik
• ✅ Push notifications
• ✅ 3 device cards (Heater, Fan, Exhaust)
• ✅ Auto-update data
• ✅ Connection indicator

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👨‍💻 Tech Stack

• Mobile: Flutter 3.5, Dart 3.0
• Backend: Node.js 18, Express.js
• Database: MySQL 8.0 (Railway)
• IoT: ESP32, Arduino IDE
• Protocol: MQTT, REST API
• Hosting: Railway.app

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📞 Support

Untuk pertanyaan atau masalah:

1. Cek dokumentasi di folder docs/
2. Lihat troubleshooting di README
3. Cek logs di Railway dashboard

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📜 License

Private project - All rights reserved

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Build Date: 1 Juni 2026
Version: 1.0.0
Status: ✅ Production Ready

🎉 Aplikasi siap digunakan untuk monitoring pengering ikan!