Product overview
These receiving cards work with a compatible Huidu sender to deliver display data to LED modules. The listing shows R505A, R505B, R507A and R507B photographs. Compare the actual board marking and connections before choosing a replacement.
Product specifications
| Parameter | Specification |
|---|---|
| Listed models | R505 / R507 |
| Card role | Full-color LED receiving card |
| R505 interface reference | 2 × 60-pin |
| R507 interface reference | 4 × 26-pin |
| Listed sending systems | A60x, A30/A30+, C10/C30 |
| Original listing recommended range | 256 × 256 pixels; reduced load length for indoor modules |
| R507(A) V4.0 recommended range | 256 × 192 pixels; applies to that documented variant |
| R507(A) V4.0 scan range | Static to 1/32 scan |
| Variant images retained | R505A, R505B, R507A and R507B |
Configuration and selection
Use the model-specific references rather than a shared maximum for all four variants. The two original PDF links and separately labeled card photographs are retained below.
Frequently asked questions
Are R505 and R507 complete standalone players?
This listing is for receiving cards used with compatible sending equipment, not standalone media players.
What is the main connection difference between R505 and R507?
The listing identifies two 60-pin interfaces for R505 and four 26-pin interfaces for R507. Match the board variant and adapter connection.
What loading range should I use?
The original listing recommends 256 × 256 pixels, while the linked R507(A) V4.0 document recommends 256 × 192 for that variant. Confirm the exact receiver revision and module layout.
Can I use the R507(A) parameters for every variant shown?
No. The PDF identifies R507(A). Do not assume its parameters establish those of R505 or R507B.
How do I select a replacement receiver?
Compare the model marking, A/B variant, data interfaces, sender model and module wiring. Use the corresponding document and actual board configuration.
Original product images and diagrams
Downloads and related information
HUIDU R505 Asynchronous LED Control System Specification
HUIDU R507 Asynchronous LED Control System Specification
