K08 HUIDU Receiving Card: Universal Full-Color Receiver
The LED SIGN HD-K08 is a dedicated full-color receiving card designed to be installed inside the LED screen cabinet, where it connects directly to the LED modules (cascaded from a sending device). Unlike controllers that store and play content, the HD-K08's primary job is to receive and decode the high-speed data signal from an external sending card or asynchronous controller.
It is a highly stable, flexible, and cost-effective receiver for building small-to-medium full-color video walls.
Key Features and Specifications
| Category | Detail |
| Type | Full-Color Receiving Card (Receiver) |
| Dual-Mode Support | Works with both Synchronous (live video/PC) and Asynchronous (offline playback) sending systems. |
| Max Loading Capacity | Conventional Chip: Up to $128 \times 512$ pixels per card |
| PWM Chip (High-Refresh): Up to $256 \times 512$ pixels per card | |
| Interfaces | 8 x Standard HUB75E interfaces (onboard) |
| Data Groups | Supports 16 sets of RGB parallel data. |
| Communication | Gigabit Ethernet Port (2 ports for connection/output) |
| Special Features | Supports screen rotation, creative loading (no empty areas), and low latency synchronization. |
| Diagnostics | Integrated screen test function and status indicator lights (RUN/LAN). |
| Voltage | Input Voltage: $3.8 \text{V} - 5.5 \text{V}$ |
Function
The HD-K08 serves as the essential component for connecting the central control system (like a C-series controller or a video processor) to the individual LED display modules. It simplifies the setup by eliminating the need for external adapter boards, making wiring and assembly cleaner and more efficient.
It must be paired with an appropriate HUIDU sending device (such as the HD-C16L, HD-C36, or a dedicated synchronous sending card) to operate a full-color screen.
