Huidu HD-K12 LED Receiving Card – 12 HUB75E Interfaces
$ 9.00
HD-K12 is a receiving card for synchronous and asynchronous LED display systems, with 12 onboard HUB75E interfaces and 24 groups of RGB parallel data. Its specified loading is 192 × 512 for conventional/ShiXin LS chips or 384 × 512 for PWM chips.
999 in stock
HD-K12 LED receiving card for synchronous and asynchronous systems
The Huidu HD-K12 connects LED modules through onboard HUB75E interfaces without an adapter board. It supports 24 groups of RGB parallel data and works with synchronous and asynchronous control systems. Module loading depends on the driver-chip type, so match the card to the module before planning the screen layout.
Technical specifications
| Parameter | Specification |
|---|---|
| Module connectors | 12 HUB75E interfaces, as shown in the V1.1 overview and interface description |
| RGB parallel data | 24 groups |
| Conventional / ShiXin LS chip loading | 192 × 512 |
| PWM chip loading | 384 × 512 |
| Module support | Conventional chip modules and mainstream PWM chip modules |
| Scan methods | Static through 1/128 scan; spot and null-point settings |
| Communication | 2 Gigabit network ports |
| Transmission distance | Within 80 m using Cat5e / Cat6 network cable |
| Grayscale | 256–65,536 levels |
| Input voltage | 3.8–5.5 V |
| Power interfaces | 2 × 5 V power interfaces |
| Operating power | 3 W |
| Multi-card operation | Flexible card ordering and nanosecond-level synchronization |
| Sending-device types | Dual-mode player boxes, asynchronous sending cards, synchronous sending cards and 2-in-1 video processors |
Connector-count note: the V1.1 PDF overview and page 5 interface description specify 12 HUB75E interfaces. One interface row on page 3 says eight; the table above follows the overview and illustrated interface description. Check the board version when matching a replacement.
Module setup and diagnostics
Intelligent settings and screen-line configuration support different module wiring layouts. Integrated test functions help check display brightness uniformity and module flatness. The RUN indicator flashes during normal card operation; the LAN indicator flashes rapidly when a Gigabit connection is recognized and data is being received.
The two network ports connect to a sending card or another receiving card without a fixed input/output distinction. The power options are a binding-post interface and a keyed connector, as identified in the specification diagram.
Specification download
Download the HD-K12 V1.1 specification (PDF)
Frequently Asked Questions
How many HUB75E interfaces does the HD-K12 have?
The V1.1 overview and illustrated interface description specify 12 HUB75E interfaces. The PDF also contains an inconsistent row stating eight; use the board version and illustrated layout when checking a replacement.
What is the HD-K12 loading capacity?
The stated loading is 192 × 512 for conventional and ShiXin LS driver chips, or 384 × 512 for PWM driver chips. Select the applicable figure for your module type.
Can K12 work with both synchronous and asynchronous control?
Yes. It supports both system types, including the listed player-box, sending-card and 2-in-1 video-processor categories. Confirm the specific sending device and module configuration for your installation.
Does the K12 support 1/128-scan modules?
The specification supports scanning from static through 1/128 scan, with spot and null-point settings. Conventional and mainstream PWM chip modules are listed.
What voltage and network cable distance are specified?
Input voltage is 3.8–5.5 V and operating power is 3 W. The specified communication distance is within 80 m using Cat5e or Cat6 network cable.
| Weight | 0.3 kg |
|---|
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