Huidu HD-R512 LED Receiving Card – 12 HUB75E Ports
$ 13.40
The Huidu HD-R512 receiving card has 12 HUB75E outputs and two Gigabit Ethernet ports. It supports static to 1/64 scan and a recommended 256 × 256 pixel load with module-width restrictions. See the setup guidance, electrical notes and PDF.
1001 in stock
Huidu HD-R512 full-color LED receiving card
The HD-R512 is a 12-port HUB75E receiving card for compatible LED display modules. It connects to synchronous, asynchronous or dual-mode sending systems over Gigabit Ethernet and supports static through 1/64 scan.
HD-R512 technical specifications
The following values follow the linked V1.0 specification. The recommended pixel load does not remove the separate indoor and outdoor module-width limits.
| LED module outputs | 12 × HUB75E |
|---|---|
| Recommended loading | 256 × 256 pixels |
| Module width restrictions | Outdoor ≤256 pixels; indoor ≤128 pixels |
| Driver ICs | Common ICs and most PWM ICs |
| Scan mode / grayscale | Static to 1/64 / 256–65,536 levels |
| Network ports | 2 interchangeable Gigabit Ethernet ports |
| Cable distance | Super Cat5 / Cat6 within 146 m, as stated in V1.0 |
| Power interfaces | 2 DC connectors; either one may be used |
| Supply voltage | 5 V recommended; PDF lists differing ranges—see FAQ |
| Power consumption | 5 W |
| Operating temperature | −40°C to 80°C in V1.0 technical table |
| Storage temperature | −40°C to 105°C |
| Operating humidity | 0–95% |
| Net weight | 0.096 kg |
Setup and testing
Receiving cards can be arranged in any sequence, and smart settings allow the screen routing to match the cabinet wiring. Use the onboard test button to check brightness uniformity and module flatness. An external run/data indicator connection is also provided.
Before commissioning, confirm the supplied board revision: the PDF contains different voltage ranges, and the previous listing’s 85°C upper operating limit differs from the PDF’s 80°C value.
HD-R512 frequently asked questions
What is the HD-R512 recommended pixel load?
The V1.0 specification recommends 256 × 256 pixels. It also limits outdoor module width to 256 pixels and indoor module width to 128 pixels, so the final layout must respect the module-specific restriction.
How do I connect and check an R512 receiving card?
Match the HUB75E pinout to the module, connect the sender or another card through either Ethernet port, and provide the specified DC power. Configure the screen layout to match the wiring. D1 flashing indicates normal operation, and rapid D2 flashing indicates Gigabit recognition and incoming data.
Can R512 work in synchronous and asynchronous systems?
The PDF lists dual-mode sending boxes, asynchronous sending cards, synchronous sending cards and VP-series video processors. Verify the chosen sender, module driver IC and scan configuration together.
What supply voltage does the HD-R512 use?
The PDF recommends a standard 5 V supply. It gives 4–6 V in the parameter table, 4.5–5.5 V at the connectors and 4.2–5.5 V in the technical table. Confirm the board revision before using a different voltage.
What is the R512 operating temperature range?
The linked V1.0 technical table specifies −40°C to 80°C. The previous product text stated −40°C to 85°C; that upper value is not supported by this PDF and requires separate confirmation.
Specification download
| Weight | 0.4 kg |
|---|
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