1. Introduktion og overview
The Huidu HD-WF series (HD-WF1, HD-WF2, HD-WF4) are full-color LED display control cards designed for various applications including door lintel LED screens, store signboard screens, and vehicle-mounted displays. These control cards support Wi-Fi and U-disk for program updates, offering a convenient and cost-effective solution for managing LED content.
The primary application software for these devices includes HD2020 and LedArt (APP), providing a user-friendly interface and rich display modes.

2. Produktfunktioner
- Modulunderstøttelse: Compatible with HUB75 port full-color modules, supporting both normal and ICN2038 ICs.
- Scanningstilstand: Supports static to 1/32S scan modes.
- Kontrolområde: Up to 640*32 pixels or 320*64 pixels.
- Kommunikationsporte: Wi-Fi and U-Disk for program updates.
- FLASH Capacity: 4M Byte.
- Farvestøtte: Full-color module capability, displaying red, green, blue, yellow, purple, cyan, and white.
- Grå niveau: 8 levels, supporting full-color text.
- Program Quantity: Stores up to 999 programs, with Wi-Fi remote switching capability.
- Area Quantity: Supports 20 areas, each with separate zones, special effects, and borders.
- Vis indhold: Text, animated words, 3D words, images & text (pictures, SWF files), Excel data, time, temperature (humidity), timing, count, and lunar calendar.
- Automatic Screen Switch: Features a timer for automatic screen on/off.
- Dæmpning: Supports brightness adjustment and time-period brightness settings.
- Strømforsyning: Micro USB, standard 5V.
3. Opsætning og installation
3.1 Portdefinition
Familiarize yourself with the various ports and components on the control card:

- Micro-USB-port: Used for 5V power supply. Can be powered directly via a Micro-USB cable.
- 5V standard power connector: Shares power with the Micro-USB port and can directly power the LED module.
- USB-porte: For updating programs using a U-disk.
- HUB75E port: Connects to the LED display.
- Test key: Used for testing the status of the LED screen.
3.2 Første tilslutning
To set up your Huidu LED control card:
- Connect a 5V power supply to either the Micro-USB port or the 5V standard power connector.
- Connect the HUB75E port on the control card to your LED display module using a compatible cable.
- Sørg for, at alle forbindelser er sikre, før du tænder for enheden.
4. Betjeningsvejledning
4.1 Program Updates
Programs can be updated via two methods:
- Wi-Fi: Use the HD2020 software or LedArt mobile application to connect to the control card via Wi-Fi and upload new programs.
- U-Disk: Save your program files to a U-disk and insert it into the USB port on the control card. The card will automatically detect and update the programs.
4.2 Display Content Management
The control card supports a wide range of display content and features:
- Indholdstyper: Display text, animated words, 3D words, images, SWF files, Excel data, current time, temperature, humidity, countdown/up timers, and lunar calendar information.
- Programskift: Manage and switch between up to 999 stored programs, including remote switching via Wi-Fi.
- Area Management: Divide your display into up to 20 independent areas, each configurable with unique content, special effects, and borders.
4.3 Brightness and Timing
- Justering af lysstyrke: Adjust the display brightness manually or set up time-period based automatic dimming.
- Automatisk skærm til/fra: Configure a timer for the automatic switching on and off of the LED screen.
5. Vedligeholdelse
To ensure the longevity and optimal performance of your Huidu LED control card, follow these general maintenance guidelines:
- Keep the control card clean and free from dust. Use a soft, dry cloth for cleaning.
- Undgå at udsætte enheden for fugt, ekstreme temperaturer eller direkte sollys.
- Ensure a stable 5V power supply is used to prevent damage.
- Regularly check all cable connections for looseness or damage.
6. Fejlfinding
If you encounter issues with your Huidu LED control card, refer to the following common problems and solutions:
- Ingen visning:
- Verify that the 5V power supply is correctly connected and functioning.
- Check the HUB75E connection between the control card and the LED display.
- Ensure a program has been successfully loaded onto the control card.
- Incorrect Display/Garbled Content:
- Confirm that the correct module type and scan mode settings are configured in the HD2020 software or LedArt app.
- Re-upload the program to ensure data integrity.
- Problemer med Wi-Fi-forbindelse:
- Ensure the control card is within range of your Wi-Fi network.
- Check for correct Wi-Fi password and network selection in the application.
- U-Disk Update Failure:
- Ensure the program files on the U-disk are in the correct format.
- Try using a different U-disk to rule out U-disk malfunction.
- Verify the U-disk is properly inserted into the USB port.
7. Brugertips
- For complex display requirements, experiment with the 20 separate areas feature to create dynamic and multi-faceted content layouts.
- Utilize the time-period brightness setting to automatically adjust display intensity, saving energy and extending LED lifespan, especially for outdoor applications.
- Always back up your display programs on a computer or separate U-disk before making significant changes.
8. Specifikationer
| Feature | Beskrivelse |
|---|---|
| Modelnumre | HD-WF1, HD-WF2, HD-WF4 |
| Modulstøtte | HUB75 port full color module, normal and ICN2038 IC |
| Scan-tilstand | Static to 1/32S |
| Kontrolområde | 640*32, 320*64 |
| Kommunikationsporte | Wi-Fi, U-Disk |
| FLASH Capacity | 4M byte |
| Farvestøtte | Full-color (Red, Green, Blue, Yellow, Purple, Cyan, White) |
| Grå niveau | 8 levels, full color text support |
| Program Quantity | 999 programmer |
| Area Quantity | 20 areas with separate effects/borders |
| Strømforsyning | Micro USB, standard 5V |
| Certificeringer | CE, FCC, RoHS, BIS |
9. Garanti og support
For technical assistance or support, please contact the manufacturer or your vendor. Technical support can often be provided via phone, messaging applications like WhatsApp/WeChat, or through dedicated training sessions if available.
Specific warranty details may vary by region and seller. Please refer to your purchase documentation for warranty information.
10. Certificeringer
The Huidu HD-WF series control cards comply with international standards, holding the following certifications:
- CE (Conformité Européenne)
- FCC (Federal Communications Commission)
- RoHS (begrænsning af farlige stoffer)
- BIS (Bureau of Indian Standards)






