Huidu HD-WF4 Wi-Fi LED Sign Controller – 4 HUB75E
$ 8.00
HD-WF4 Wi-Fi and USB control card for text, graphics and GIF-based LED signs, with four HUB75E interfaces. Supports HDSign and LedArt workflows. Check the hardware revision: the original listing and V7.0 PDF give different loading ranges.
999 in stock
HD-WF4 Wi-Fi control card for colorful LED signs
The Huidu HD-WF4 is a signage control card with four HUB75E interfaces. It updates programs over Wi-Fi or USB and supports text, animated characters, GIF animation, clocks and timing displays for storefront signs and similar applications.
Software and program layout
The V7.0 document lists HDSign (HD2020) for PC programming and LedArt or LedArt lite for mobile control. Up to 999 programs and 20 independently configured areas support separate effects and borders. The card supports colorful text with up to eight grayscale levels; this should not be confused with full-motion video-controller capability.
HD-WF4 technical specifications
| Module connectors | 4 HUB75E interfaces, per product overview |
|---|---|
| Supported modules | HUB75 full-color modules with conventional or 2038S driver ICs |
| Scanning | Static through 1/32 scan |
| V7.0 control range | 768 × 128; maximum width 1,280 or height 256, subject to the total loading limit |
| Earlier listing control range | 768 × 64; maximum height 128. Confirm the supplied revision before selecting a screen. |
| Program updates | Wi-Fi and USB flash drive |
| PC / mobile software | HDSign (HD2020); LedArt and LedArt lite apps |
| Flash | 8 MByte; practical usage 4.5 MByte in V7.0 |
| Color display | Seven colors without grayscale; up to 8 grayscale levels for colorful text |
| Programs / areas | 999 programs; 20 independently configured areas |
| Brightness / scheduling | Manual or time-period brightness adjustment; timed screen switching |
| Supply | DC 4.2–5.5 V; standard 5 V recommended |
| Working temperature / humidity | −40°C to +80°C; 0–95% RH |
Revision check: The original listing and linked V7.0 document give different loading ranges. Match the supplied board and firmware to the appropriate range before setting the screen dimensions. The PDF overview lists four HUB75E ports, although its interface-description row refers to one HUB75 port; confirm the actual board connections.
Product images
Frequently asked questions
Which software should I use with the HD-WF4?
The linked V7.0 specification lists HDSign (HD2020) for a computer, and LedArt or LedArt lite for a mobile device. Select software compatible with the actual controller firmware.
How do I update the sign?
Programs can be updated over Wi-Fi or using a USB flash drive. The card stores the programs for display after they have been transferred.
Is the WF4 loading range 768 × 64 or 768 × 128?
The earlier product listing states 768 × 64, while the linked V7.0 PDF states 768 × 128. Confirm the hardware/firmware revision supplied before relying on the larger range; maximum width and height are separate limits.
Can the WF4 drive a full-color video wall?
It connects to supported HUB75 full-color modules, but the document describes text, images, GIF animation and signage programs with up to eight grayscale levels. Do not assume it has the video-decoding and grayscale performance of a multimedia video controller.
Can it adjust brightness from a sensor?
The V7.0 interface description provides a brightness-sensor connection at P7. Use a compatible sensor and configure the supported brightness-control function; the document also supports manual and time-period adjustment.
Specification download
| Weight | 0.3 kg |
|---|
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