🔗 NexBLE — Next-Gen Bluetooth IoT App

NexBLE is a cross-platform Bluetooth Low Energy (BLE) application built with React Native + Expo.
It allows you to discover, connect, read, and write data to BLE devices effortlessly, designed for IoT developers, makers, and tech enthusiasts who need a simple yet powerful mobile interface for BLE-enabled devices.

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🚀 Features

✅ Scan for nearby BLE devices
✅ Connect and communicate instantly
✅ Read and write characteristics
✅ Real-time data updates
✅ Auto-reconnect and error handling
✅ Works on Android & iOS
✅ Built with Expo — easy to build, run, and publish

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🧩 Tech Stack

• React Native (Expo SDK)
• react-native-ble-plx / @dotintent/react-native-ble-plx
• TypeScript
• Expo Router
• Tailwind / NativeWind for styling
• AsyncStorage for local state persistence

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💡 Use Cases

• IoT device management
• BLE sensor monitoring
• Smart home device control
• Hardware debugging and testing
• BLE peripheral data visualization

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⚙️ Getting Started

1️⃣ Clone the repo

git clone https://github.com/FreddyWhest/NexBLE.git
cd NexBLE

2️⃣ Install dependencies

npm install
# or
yarn install

3️⃣ Run in development

npx expo start

Scan the QR code with Expo Go on your phone to test the app.

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🔌 BLE Permissions

Make sure to enable Bluetooth & Location permissions on your device.

For Android:

• Enable Bluetooth
• Allow Location Access (required for BLE scanning)

For iOS:

• Add the following to your app.json:

"ios": {
  "infoPlist": {
    "NSBluetoothAlwaysUsageDescription": "NexBLE uses Bluetooth to connect to nearby IoT devices."
  }
}

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🧠 How It Works

1. Scan: The app scans for nearby BLE peripherals
2. Connect: Select a device to connect
3. Discover: Reads services and characteristics
4. Interact: Send and receive data in real-time
5. Monitor: See live updates from sensors or devices

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🪄 Future Enhancements

• BLE peripheral simulation
• Multi-device dashboard
• Offline data logging
• Cloud sync for BLE session history
• Device firmware update (OTA)

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📦 Build & Publish

Build with Expo EAS:

eas build -p android
eas build -p ios

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🧑‍💻 Contributing

Pull requests are welcome! If you’d like to suggest a feature or fix a bug, open an issue or PR.

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🪪 License

Licensed under the MIT License. You’re free to use, modify, and distribute.

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🌐 Author

Freddy Fred 📧 alfrednti5000@gmail.com

🐙 GitHub: @FreddyWhest

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📸 Screenshots

Add app screenshots here to make your README visually engaging.

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⚡ NexBLE — The bridge between you and your devices.

Simple. Fast. Smart.