KYStar H8S LED receiving card
The KYStar H8S receives LED display data and converts it into signals for the module driver chips. Its specification lists a maximum single-card load of 512 × 640 pixels, HDR10 support and pixel-by-pixel chromaticity correction.
Display adjustment and maintenance
The card supports common, dual-latch and PWM driver chips, low-brightness grayscale display and color reproduction adjustment. Mapping, arbitrary-angle screen rotation and flexible pixel placement support cabinet identification and special-shaped layouts.
Maintenance functions include configuration readback, one-click repair, module FLASH management and real-time network-status detection. Dual-card backup, dual-power backup detection, temperature monitoring and voltage monitoring are also supported. An external LCD module can be connected in a compatible design.
Technical specifications
| Parameter | Specification |
|---|---|
| Maximum single-card load | 512 × 640 pixels |
| Parallel data | 40 groups in the feature list; see interface note |
| Connection | High-density connector interface |
| HDR | HDR10 support |
| Correction | Pixel-by-pixel chromaticity correction |
| Backup functions | Dual-card backup; dual-power backup detection |
| Rated voltage in electrical table | DC 3.3–5.5 V; see power note |
| Rated current | 0.5 A |
| Operating temperature | −10–70°C |
| Operating humidity | 0–95% |
| Board / total thickness limits | Board ≤2.0 mm; board and components ≤8.5 mm |
Specification notes: The linked v2.2 PDF lists 40 parallel-data groups in its features, but an interface-section heading says 32 groups. Its electrical table gives DC 3.3–5.5 V, while the VCC pin note recommends 3.5–5.5 V. Confirm the exact card revision, pin assignment and supply requirement before designing or replacing a HUB board.
Frequently asked questions
What is the H8S maximum pixel load?
The linked specification lists a maximum load of 512 × 640 pixels per card. Match the receiving-card configuration to the module and driver-chip setup.
Does H8S support HDR10?
Yes. HDR10 support is listed in the specification. The rest of the video and LED control system must also be configured for the intended HDR workflow.
Can H8S be used with any HUB board?
Do not assume universal compatibility. It uses high-density connectors, so the connector pinout, driver chip, supply and card revision must match the HUB-board design.
What backup and monitoring functions are available?
The specification lists dual-card backup, dual-power backup detection, temperature and voltage monitoring, plus real-time network communication status detection.


Download Specification:
Kystar H8S LED Display Screen Receiver Card Specification


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