- USB HID Device Mode (Keyboard, mouse, generic HID)
- USB MIDI Device Mode (Standard MIDI controller)
- USB Audio Device Mode (Audio interface, control surface)
- Bluetooth HID/MIDI Mode (Wireless standard devices)
- Enhanced Protocol Communication
- Full Grid State Synchronization
- Advanced Feature Access (Telemetry, debug, OTA)
- Multi-Platform Host Software Integration
- Cloud Protocol Stack Implementation
- HTTPS REST API Integration (Configuration, authentication, management)
- WebSocket Secure (WSS) Real-Time Communication (Control events, state sync)
- Server-Sent Events (SSE) for Unidirectional Streaming (Telemetry, notifications)
- Protocol Selection Logic and Fallback Mechanisms
- Hub-to-Cloud Authentication and Security
- Device Certificate-Based Authentication (mTLS)
- API Key Management and Rotation
- End-to-End Encryption for Control Messages
- Cloud State Synchronization and Management
- RESTful State Management (GET/PUT/PATCH operations)
- WebSocket Event Streaming (Real-time grid state updates)
- Conflict Resolution and State Merging Algorithms
- Offline Operation and Cloud Reconnection Handling
- Local State Caching and Persistence
- Reconnection Strategy and Backoff Algorithms
- Delta Synchronization on Reconnect