The NED200 Multi Protocol LED Display Driver Board is an all-in-one intelligent core device that integrates LED display control, multi-protocol communication, interactive QR code display, voice broadcast, and peripheral linkage. It breaks the limitations of traditional single-function drivers, supporting seamless connection with LED modules, host systems, and various peripheral devices. With strong adaptability, low usage thresholds, and scalable functions, it serves as a universal control hub for smart information transmission and multi-device collaboration—suitable for parking lots, commercial complexes, industrial workshops, scenic areas, and other scenarios requiring efficient information display and automated linkage.
- 4-line independent management: Each line can display custom content (text, time) separately, meeting multi-information simultaneous transmission needs.
- Multi-language universal: Supports over 100 global languages, adapting to cross-regional and multi-ethnic application scenarios without additional font configuration.
- Flexible interface adaptation: Directly connects HUB75/HUB08 LED modules; expandable to 4 HUB12 interfaces via expansion boards, compatible with most mainstream LED display specifications.
- Dual-mode adaptation: Full-screen QR code for long-distance scanning (e.g., parking payment), 3-line QR code with 4th-line text description for short-distance interaction (e.g., scenic spot guides).
- Customizable content: QR code supports URL, text, and other content types; excess characters are automatically truncated to ensure normal recognition.
- Seamless mode switching: Exits QR code mode with one-click command, restoring original display content without manual reconfiguration.
- Rich communication ports: Ethernet for LAN long-distance connection, RS485/RS232 for industrial on-site communication, TTL for short-distance device linkage, covering most communication needs.
- IoT-friendly protocols: Supports MQTT protocol, enabling easy integration into cloud management systems and IoT platforms.
- Access control integration: Wiegand interface directly connects card readers or biometric devices, facilitating access control + display system integration.
- Powerful relay control: 2 high-load relays can link barriers, lights, equipment power supplies, and other devices to realize automatic linkage.
- IO status monitoring: Reads sensor, button, or switch signals, triggering preset actions (e.g., equipment alarm, voice broadcast) based on external events.
- Flexible voice playback: Stores up to 256 voice files, supports sequential/immediate play modes, suitable for welcome messages, safety alerts, and operation confirmations.
- Low threshold operation: All functions are controlled via standardized protocol commands, no complex programming required, reducing operation and maintenance costs.
- Data security & stability: Default parameters are stored in flash memory (not lost after power failure); regular "heartbeat commands" avoid automatic refresh of display content.
- Wide environment adaptation: Works in -40°C to +85°C extreme temperatures, with ESD and pulse protection for communication ports, suitable for harsh industrial or outdoor environments.
- Smart Parking Systems: Display real-time parking availability, pricing, and full-screen payment QR codes; link relays to control barriers and play "payment successful" voice prompts.
- Commercial Complexes & Malls: Use 4-line display for floor navigation, brand promotions, and real-time time; display interactive QR codes for coupons, with voice broadcasts guiding consumers.
- Industrial Workshops: Display production data, safety guidelines, and equipment status; link IO inputs to detect equipment abnormalities, trigger voice alarms, and cut off power via relays.
- Scenic Areas & Public Spaces: Show multi-language safety notices, tour routes, and 3-line QR codes for detailed guides; play welcome voices after visitors scan codes to register.
- Access Control & Smart Buildings: Integrate with card readers via Wiegand interface; display visitor information and play "welcome" voices while controlling door access via relays.
- Transportation Hubs & Government Facilities: Provide multi-language schedules, directional guidance, and public service announcements; support remote content updates and system upgrades.
- All-in-One Integration: Combines display control, communication, QR code interaction, voice broadcast, and peripheral linkage, reducing system complexity and hardware costs.
- Strong Adaptability: Seamlessly integrates with existing management systems (parking lots, workshops, malls) without modifying hardware architecture.
- Cost-Effective Expansion: Supports on-site voice file updates and IO interface expansion modules, avoiding main device replacement for function upgrades.
- Professional Reliability: Industrial-grade design with reverse connection protection, overcurrent protection, and wide temperature resistance, ensuring 24/7 stable operation.
- Global Compatibility: Multi-language and multi-protocol support adapts to cross-regional and multi-scenario application needs, with remote upgrade capability for long-term usability.
