Huidu HD-WF2 Wi-Fi and USB LED Controller
The HD-WF2 controls LED signs through two onboard HUB75E interfaces. Update text, animated words, GIF animation and timed content through Wi-Fi or a USB drive. The controller is intended for entrance displays, store signboards and similar programmable signs.
Software and Program Updates
The model-specific V7.1 specification lists HDSign (HD2020) for PC, plus LedArt and LedArt lite mobile apps. After the card is powered on, a phone or laptop can connect to its Wi-Fi hotspot to configure the display or update programs. USB-drive updates provide a second transfer method.
| Parameter | Specification |
|---|---|
| Module interfaces | 2 × HUB75E |
| Module support | HUB75 full-color modules; regular and 2038S driver chips |
| Scan modes | Static to 1/32 scan |
| Listed control range | 768 × 64 |
| Dimension limits | Maximum width 1280 pixels; maximum height 128 pixels |
| Communication | Wi-Fi and USB drive |
| PC software | HDSign (HD2020) |
| Mobile software | LedArt and LedArt lite |
| Flash capacity | 8M Byte; practical usable capacity 4.5M Byte |
| Basic colors without grayscale | Red, green, blue, yellow, purple, cyan and white |
| Grayscale | Up to 8 levels; colorful text supported |
| Programs | 999 |
| Display areas | 20, with separate effects and borders |
| Content | Text, animated characters, 3D characters, graphics, Excel, time, temperature/humidity, timing, counting and lunar calendar |
| Scheduled on/off | Supported |
| Brightness | Adjustment and adjustment by time period |
| Power connection | Standard terminal-block connection |
Match the Controller to the Screen
The maximum width and maximum height are independent limits, not a stated 1280 × 128 screen mode. Check the module driver chip, scan mode and layout against the WF2 specification before configuring the sign. Its eight grayscale levels should also be considered when preparing graphical content.
Product Images


Specification Download
Download the Huidu HD-WF2 V7.1 specification (PDF)
Frequently Asked Questions
Which software works with the Huidu HD-WF2?
The V7.1 specification lists HDSign (HD2020) for PC and the LedArt and LedArt lite mobile apps.
Can I update the WF2 through Wi-Fi and USB?
Yes. Connect a phone or laptop to the powered controller’s Wi-Fi hotspot for configuration or program updates, or transfer programs using a USB drive.
How many HUB75E ports does the WF2 have?
The HD-WF2 has two HUB75E interfaces. It supports HUB75 full-color modules with regular or 2038S chips, from static to 1/32 scan.
What is the HD-WF2 control range?
The specification lists 768 × 64, with independent maximum-width and maximum-height limits of 1280 and 128 pixels. Confirm the complete screen layout rather than combining those maxima.
How many programs and display areas can the WF2 use?
It supports 999 programs and 20 areas with separate effects and borders. Flash capacity is listed as 8M Byte, with 4.5M Byte available for practical use.









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