Huidu HD-C08L asynchronous LED playback and control card
The Huidu HD-C08L is a multimedia playback card with eight onboard HUB75E interfaces for LED modules. It plays uploaded programs without using a computer as the continuous video source. Standard Wi-Fi, a 100 Mbps communication network port and USB provide content-management options.
This reference follows HD-C08L Specification V1.0, released March 18, 2024. Its maximum control range is 196,000 pixels. The separate maximum width of 2048 pixels and maximum height of 1024 pixels must be considered alongside that total pixel limit, the module wiring and the actual board configuration.
HD-C08L screen capacity and connections
| Maximum control range | 196,000 pixels |
|---|---|
| Separate width / height limits | Maximum width 2048 pixels; maximum height 1024 pixels, within the total pixel capacity |
| Module interfaces | 8 onboard HUB75E interfaces |
| Communication network port | 100 Mbps; parameter configuration, program publishing and LAN/Internet access |
| Standard wireless | 2.4 GHz Wi-Fi, AP and STA modes; LedArt mobile-app control |
| USB | Program updates and capacity expansion |
| Video windows | Up to two 1080P video windows playing simultaneously |
| Audio | 3.5 mm TRS two-channel output |
The 100 Mbps port is documented for communication and publishing. Do not treat it as a Gigabit receiving-card output. If a project needs a cascaded receiver system, compare a controller designed for that role, such as the Huidu HD-C16L, and confirm its separate loading conditions.
Content playback and hardware options
The card supports scheduled programs, timed playback, program insertion and content-window layouts. Supported content includes common video and image formats, GIF animation, text, WPS content and clocks. Its 1080P playback capability describes video processing, while the 196,000-pixel limit governs LED output loading.
Local management uses Wi-Fi, a direct network connection or USB. XiaoHui Cloud supports Internet-based remote management. The 4G module, RS-232/RS-485 communication and Chinese/English voice broadcasting are optional functions in V1.0; confirm the supplied version and accessories before ordering.
A single relay supports remote power control. Dedicated temperature and GPS interfaces and a general sensor input support external sensing. Select suitable sensors and modules for the application and follow the interface descriptions in the manual.

Power, storage and mounting specifications
| Supply voltage | DC 5 V; specified range 4.6–5.5 V |
|---|---|
| Maximum consumption | 8 W |
| Internal storage | 4 GB, with 2 GB available as listed in the specification |
| Board size / net weight | 142 × 91.2 mm / 0.114 kg |
| Working temperature | −40°C to +80°C |
| Working humidity | 0–80% RH, non-condensing |
The bare board is not waterproof. Check mounting holes, connector access, antenna clearance and the protective enclosure for the installation. Preserve the working program files and configuration before replacing a card.

Frequently asked questions
Which software works with the HD-C08L?
V1.0 lists HDPlayer for PC setup, editing and publishing; LedArt for mobile control; and XiaoHui Cloud for browser-based remote display management.
Is 1024 pixels the total loading capacity?
No. V1.0 gives 1024 pixels as the maximum height and 196,000 pixels as the maximum control range. Check width, height and total pixels together.
Can it control a 2048 × 1024 LED screen?
That combination contains 2,097,152 pixels, exceeding the documented 196,000-pixel capacity. The maximum width and height figures are separate limits, not a supported full-area resolution.
Is 4G included with standard Wi-Fi?
Wi-Fi is standard, while 4G is optional. Confirm the required networking hardware, SIM arrangement and supplied version for the project.
Do the product photos define the included options?
Use the confirmed order configuration. Photos can show board versions or optional hardware; check the required 4G, serial and sensor functions before purchase.
Contact EagerLED with the screen dimensions in pixels, module driver IC and scan mode, cable layout and networking requirements for a selection check.
Technical reference: Huidu HD-C08L specification PDF, V1.0, including interface descriptions, options and mounting dimensions.




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