IoT Scale with Mobile App

IoT system integrating ESP32 hardware, Firebase, and Android app for real-time weight tracking.

Architecture

• ESP32: Microcontroller with weight sensors and WiFi
• Firebase Realtime Database: Instant data synchronization
• Android App: Kotlin interface for visualization and analysis

Features

• 📊 History and charts of weight evolution
• 👥 Multiple profiles with Firebase authentication
• 🔔 Customizable notifications and reminders
• 📈 Trend analysis and goal progress tracking
• ⚡ Automatic sync when stepping on the scale

ESP32 Hardware

• High-precision weight sensors
• Bidirectional WiFi connectivity
• Automatic calibration
• Power consumption optimization

Result

Complete integration of embedded hardware with cloud services and mobile development, demonstrating a functional and scalable IoT product.