Huidu R505 and R507 Full-color LED Receiving Cards
The R505 and R507 receive display data from compatible Huidu HD sending cards. The main connection difference listed here is the module interface: R505 has two 60-pin connectors, while R507 has four 26-pin connectors. Choose the model that matches your existing module connection and control system.
| Parameter | Specification |
|---|---|
| Product type | Full-color LED receiving cards |
| R505 interfaces | 2 × 60-pin |
| R507 interfaces | 4 × 26-pin |
| Recommended control range | 256 × 256 for R505 and R507 |
| Listed compatible HD sending cards | A60x, A30/A30+, C10/C30 |
| Indoor-module loading note | Reduce the load length as appropriate for the indoor module configuration |
Loading and Controller Compatibility
The 256 × 256 value is a recommended control range. The original product information calls for the load length to be reduced as appropriate when using indoor modules. Check the module layout and the model-specific specification before deciding how many receiving cards the screen needs.
Both models are listed for use with HD sending cards in the A60x, A30/A30+ and C10/C30 families. Confirm the exact sending-card model and connector arrangement when replacing an existing receiver.
Product and Parameter Images


Model-specific Downloads
HD-R505 asynchronous LED control system V3.0 (PDF)
HD-R507 asynchronous LED control system V4.0 (PDF)
Frequently Asked Questions
What is the difference between the Huidu R505 and R507?
The listed interface arrangement differs: R505 uses 2 × 60-pin connectors, and R507 uses 4 × 26-pin connectors. Match the receiver to the module connection in your system.
What is the recommended load for R505 and R507?
Both models list a recommended 256 × 256 control range. The appropriate load depends on the module configuration.
Which sending cards are listed as compatible?
The product information lists Huidu HD sending cards A60x, A30/A30+, and C10/C30. Check the exact controller model before replacing a receiving card.
Is the same loading recommendation suitable for every indoor module?
No universal indoor-module load is stated. The original information advises reducing the load length as appropriate for indoor modules, so confirm the planned layout before installation.
Which PDF should I use for the R505 or R507?
Use the separate download for your selected model: HD-R505 V3.0 for R505, or HD-R507 V4.0 for R507. Both original PDF links are provided above.







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