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Huidu · Receiving card

HD-R5s Plus

Manufacturer: Huidu
Fully verified R5 Series Manufacturer class: Receiving Card

Small-sized receiver card with a high-density connector interface. A single card can control 512*512 pixels and supports 32 groups of RGB parallel data or 64 groups of serial data (expandable to 128); the stated maximum controllable pixel size is 260,000.

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  • Setup supportFor Colorlight, NovaStar and Huidu systems we do the setup by connecting remotely with AnyDesk; call us about mounting.
  • Compatibility checkCompatibility with the other components is checked during configuration.
  • Order trackingShipping and installation status is tracked on your order page.

Key specifications

View Technical Details
Capacity
260 K px
Area
512×512
Data groups
32
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Best suited for

  • Driving a cabinet or module group of up to 512 × 512 pixels with a single card.
  • Permanent installations that need temperature / voltage monitoring.

Key features (manufacturer)

  • A single card can control 512*512 pixels (maximum load 512*512@60Hz); maximum controllable pixel size of 260,000
  • 32 groups of RGB parallel data or 64 groups of serial data (expandable to 128)
  • Small-sized card with a high-density connector interface
  • Supports any scanning mode from static to 1/128 scan
  • Supports modules with all common chips and mainstream PWM chip modules
  • Point-by-point brightness and color correction in conjunction with the Huidu correction system
  • Temperature and voltage monitoring without external devices
  • Dual backup receiver card with automatic switching to the backup card

Capacity and loading area

The card receives data over the Ethernet chain and drives the module group inside this area. The cabinet/module load cannot exceed this area or the capacity of 260,000 px.

Technical specifications

  • Backup / redundant line
  • Pixel calibration
  • Monitoring (temperature / voltage)

Capacity and outputs

Loading capacity
260,000 px
Official loading area
512 × 512 px
Port speed
1 Gbps
Data groups
32
HUB interface
High-density connectors ×2
Max. scan
1/128

Physical

Dimensions
70.50 × 45.00, board thickness 1.60 (dimension drawing, unit not printed)
Weight
Approximately 16.5g
Operating temperature
-25 ℃ to +75 ℃
Input voltage
DC 3.8 V-5.5 V
Power consumption
3W

Manufacturer-specific technical data

In the manufacturer's own wording (the original English terms are kept).

Capacity

Loading capacity (Overview)
  • A single card can control 512*512 pixels
  • maximum controllable pixel size of 260,000
Load range

Maximum load: 512 * 512@60Hz. Actual load capacity depends on the number of interfaces and module resolution

Data groups

32 groups of RGB parallel data or 64 groups of serial data (expandable to 128)

Network

Communication
  • Gigabit Ethernet ports
  • Cat5e and Cat6 network cables within 80 meters

Interfaces

Data interface
  • High-density connector interface (JH1, JH2, pins 1~120 each)
  • data signal transfer interface connected with the transfer board
Extended function interface

RFU pins for a light board Flash interface (HUB_SPI) or a smart module interface (HUB_UART), 74HC164 data signal and dual power supply detection signal

Control

Supported sending types

Synchronous and asynchronous dual-mode playback boxes, asynchronous sending cards, synchronous sending cards, and video processors

Multi-card connection

Receiver cards can be sorted arbitrarily, achieving nanosecond-level synchronization

Monitoring function
  • Temperature and voltage of the receiver card can be monitored directly without external devices
  • the current running time can be recorded
Backup
  • Dual backup receiver card on a primary card failure the system automatically switches to the backup card.
  • Configuration parameters can be saved to and restored from the factory area
Test function

Integrated screen testing function to test the brightness uniformity and flatness of the display module

Display

Supported modules
  • Supports modules with all common chips
  • supports mainstream PWM chip modules
Scanning method

Supports any scanning mode from static to 1/128 scan, and supports spot and blank spot settings

Gray levels

Supports levels 256 to 65536

Rotation

The screen rotates in multiples of 90 degrees (0/90/180/270 degrees)

Point-by-point correction
  • With the Huidu correction system point-by-point brightness and color correction and adjustment/repair of bright and dark lines
  • for LED boards with Flash memory the correction coefficients can be stored and read back
RGB independent gamma adjustment

Adjusting the gamma values of R, G and B solves uneven grayscale and inaccurate white balance

Electrical

Operating voltage and power consumption
  • DC 3.8 V-5.5 V
  • 3W

Physical

Dimension drawing and weight
  • 70.50 × 45.00, board thickness 1.60 (unit not printed)
  • net weight approximately 16.5g
Environment
  • Operating -25 ℃ to +75 ℃, 0 ~ 95%RH
  • storage -40 ℃ ~ +105 ℃, 0 ~ 95%RH

Sources

Source note

Compiled from the official specification HD-R5s Plus V1.0 (first release, Nov. 28, 2025). The document prints two capacity figures: a single card can control 512*512 pixels (maximum load 512*512@60Hz, i.e. 262,144 pixels) and a maximum controllable pixel size of 260,000; the lower figure is recorded as the total and 512×512 as the loading rectangle. No separate figures for conventional and PWM driver ICs are printed, and the document notes that the actual load capacity depends on the number of interfaces and module resolution. The data-group figure recorded is the 32 groups of RGB parallel data. The dimensions are read from the dimension drawing, which prints no unit.

  1. HD-R500S/R5s Plus/R5S/RB6/R507T Official product page · From the search-index excerpt of the official page · 06.10.2026
  2. PRODUCT SPECIFICATION Receiving Card HD-R5s Plus V1.0 Official specification · V1.0 · Read directly · 07.10.2026
  3. Official product image — HD-R5s Plus (PRODUCT SPECIFICATION Receiving Card HD-R5s Plus V1.0) Official specification · V1.0 · Read directly · 07.10.2026

Dataset: 2026.10.12-1 · last verified: Oct 7, 2026

Interoperability between receiving cards and controllers from different manufacturers is not assumed without official documentation.

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