Universal BLE

Universal BLE is an open source powerful developer tool for exploring and testing Bluetooth Low Energy (BLE) devices.

Universal BLE is a comprehensive cross-platform developer tool that empowers developers, engineers, and hobbyists to explore, test, and debug Bluetooth Low Energy (BLE) devices with ease. Built with Flutter and supporting multiple platforms, this powerful tool provides everything you need to work with BLE-enabled devices.

Built on the open source universal_ble Flutter plugin - one of the most comprehensive cross-platform BLE solutions available. Package: https://pub.dev/packages/universal_ble

Key Features

Device Discovery
- Scan for nearby BLE devices in real-time
- Filter devices by services, manufacturer data, or name prefixes
- View device information, signal strength, and connection status
- Access already connected system devices

Connection Management
- Connect and disconnect from BLE peripherals
- Monitor connection state changes in real-time
- Support for multiple simultaneous connections
- Automatic reconnection handling

Service & Characteristic Exploration
- Discover all services and characteristics on connected devices
- Browse GATT services with detailed UUID information
- View characteristic properties and descriptors
- Intuitive interface for navigating device capabilities

Data Operations
- Read characteristic values in real-time
- Write data to characteristics (with or without response)
- Subscribe to notifications and indications
- Monitor value changes with live updates

Pairing & Security
- Initiate pairing with BLE devices
- Check pairing status and monitor pairing state changes
- Support for encrypted characteristics
- Unpair devices when needed

Advanced Features
- Request MTU (Maximum Transmission Unit) for optimized data transfer
- Command queue system for reliable operation
- Configurable timeouts for all operations
- Comprehensive error handling with detailed error codes
- UUID format agnostic (supports all UUID formats)
- Detailed logging for debugging BLE operations

Cross-Platform Support
- Native support with consistent API across all platforms
- Platform-specific optimizations where needed

Perfect For

- Developers building BLE-enabled applications
- Engineers testing and debugging BLE devices
- Hobbyists exploring IoT and smart device capabilities
- Students learning about Bluetooth Low Energy technology