KYStar H7S-C LED receiving card
The KYStar H7S-C is a receiving card for LED display modules. It converts incoming display data into driver-chip signals and supports 32 groups of parallel data with a stated single-card load of 512 × 384 pixels. High-density connectors are used for integration with a compatible HUB-board design.
Display and maintenance functions
HDR10, low-brightness grayscale display and point-by-point brightness correction help configure image output. The card supports general-purpose, dual-latch and PWM driver chips, with arbitrary-angle display rotation and flexible pixel placement for special-shaped layouts.
Configuration readback, one-click repair and light-board FLASH management assist maintenance. Temperature, voltage and network-status monitoring are supported, together with dual-card backup and dual-power backup detection. External LCD-module support is also listed.
Technical specifications
| Parameter | Specification |
|---|---|
| Parallel data | 32 groups |
| Single-card load | 512 × 384 pixels |
| Interface | High-density connectors |
| HDR support | HDR10 |
| Correction | Point-by-point brightness correction |
| Backup | Dual-card backup; dual-power backup detection |
| Rated voltage in electrical table | DC 3.3–5.5 V; see supply note below |
| Rated current | 0.5 A |
| Operating temperature | −10–70°C |
| Operating humidity | 0–95% |
| Thickness limits | Board ≤2.0 mm; total board and components ≤8.5 mm |
Supply note: The PDF electrical table lists DC 3.3–5.5 V, but its VCC interface note recommends 3.5–5.5 V. Confirm the required supply for the exact revision before installation. The PDF wording “dual SIM backup” refers to the receiving-card backup connections shown in its interface table, not mobile-network SIM functionality.
Frequently asked questions
What is the H7S-C load capacity?
The specification lists 512 × 384 pixels per card and 32 parallel-data groups. Actual module configuration must match the driver chip and connection layout.
Does H7S-C support HDR10 and brightness correction?
Yes. The listed functions include HDR10, low-brightness grayscale display and point-by-point brightness correction.
Is H7S-C a mobile-network or SIM card device?
No. It is an LED receiving card. The translated PDF uses “dual SIM backup” for the receiving-card backup interface; it does not describe cellular service.
What should I check before replacing an existing receiving card?
Check the exact model and revision, HUB-board pinout, module driver chip, power requirement and saved configuration. The documented configuration readback and one-click repair functions support maintenance.


Download Specification:
Kystar H7S-C LED Display Screen Receiver Card Specification





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