HD-C08L multimedia playback for LED signs
The Huidu C08L plays stored video, images, GIF animations, text, WPS documents, tables and clocks without requiring a computer as a continuous video source. Its eight HUB75E interfaces connect to LED modules, while standard Wi-Fi enables LedArt mobile control. Typical uses described in the manual include light-pole, storefront and vehicle displays.
C08L controller specifications
| Parameter | Specification |
|---|---|
| Maximum control range | 196,000 pixels |
| Separate size limits | Maximum width 2048 pixels or maximum height 1024 pixels |
| Module interfaces | 8 × HUB75E |
| Network communication | 1 × 100M Ethernet port for setup, program publishing and LAN/Internet access |
| USB | Program updates and capacity expansion |
| Wi-Fi | Standard 2.4 GHz; AP and STA modes |
| Video windows | 2 channels; up to 2 × 1080p |
| Output frame rate | 60 Hz |
| Audio | 1 × TRS 3.5 mm two-channel output |
| Power input | DC 5 V |
| Power switching | 1 onboard relay channel |
| Serial communication | UART; optional RS-232 or RS-485 channel |
| Remote connectivity | Optional 4G access to XiaoHui Cloud |
| Voice broadcast | Chinese and English voice broadcast optional |
The 2048-pixel width and 1024-pixel height are separate limits within the 196,000-pixel control capacity. They do not specify a simultaneous 2048 × 1024 screen. The V1.0 interface diagram identifies the Ethernet port as a 100M communication input; use the manual to verify connections for the intended installation.
Local updates and cloud management
Use the LedArt mobile app over Wi-Fi, or transfer updated programs through USB. XiaoHui Cloud supports remote management of multiple displays over the Internet, with 4G available as an option. External environmental sensors can provide monitoring data, and the onboard relay supports remote power control.
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Specification download
HD-C08L V1.0 specification PDF
Frequently Asked Questions
How many pixels can the C08L controller load?
The V1.0 manual specifies a maximum of 196,000 pixels. Maximum width is 2048 pixels or maximum height is 1024 pixels, subject to that total loading limit.
Does HD-C08L need a computer for continuous playback?
No. It is an asynchronous multimedia playback card and does not require a computer as a continuous video signal source. Programs can be updated through the supported management connections.
Which app controls the Huidu C08L?
LedArt provides wireless mobile control. XiaoHui Cloud provides remote Internet management.
Are Wi-Fi and 4G standard on C08L?
2.4 GHz Wi-Fi with AP and STA modes is standard. 4G is optional.
Can HD-C08L play two videos?
The specification supports two video windows, up to two channels of 1080p. The LED output remains subject to the 196,000-pixel loading limit.







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