Health Monitor Wearable Device

Health Monitor is a real-time health monitoring system that collects physiological data using an ESP32 wearable device and streams it to a Flutter mobile application via Bluetooth Low Energy (BLE).

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🔍 Project Overview

This system integrates:

• Wearable embedded sensors (heart rate, SpO₂, ECG, temperature, accelerometer)
• ESP32 microcontroller for BLE data streaming
• Flutter mobile application for live visualization and alerts

The device captures health metrics and continuously transmits them to the app, which shows them in real time through interactive widgets.

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🚀 Key Features

Wearable Device Capabilities

• Heart rate & SpO₂ monitoring
• ECG waveform streaming
• Body temperature measurement
• Fall detection using accelerometer

Mobile App (Flutter)

• Live BLE scanning and automatic connection
• Health rings for quick metric visualization
• Real-time ECG waveform plot
• Fall alert and notification UI
• Multi-page navigation and modular UI design

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🧠 System Workflow

ESP32 Sensors
    ↓ BLE
Flutter App (Android)
    ↓ UI Rendering
Dashboard, ECG Plot, Alerts

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⚙️ Getting Started

🧾 Requirements

• Flutter SDK installed
• Android device with Bluetooth
• ESP32 firmware uploaded

📦 Install Dependencies

flutter pub get

🔌 Connect Phone

Enable Bluetooth and Location permissions.

▶️ Run App

flutter run

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🧩 BLE Data Format

ESP32 streams analytics in JSON:

{
  "hr": 78,
  "spo2": 97,
  "temp": 36.5,
  "ecg": 512,
  "fall": false
}

The app decodes and visualizes this.

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📌 Future Enhancements

• Cloud data storage (Firestore)
• User profiles and settings
• Historical session logs
• Remote data viewing for doctors
• Alerts via SMS or push notifications

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📁 Repository Structure

lib/
 ├─ ble/
 ├─ models/
 ├─ ui/
 ├─ services/
android/
ios/
test/
pubspec.yaml

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👤 Author

Harshit P
Engineering Student — VLSI, Embedded Systems, Biomedical Tech, Mobile Dev
📍 India