HD-C35 and HD-C35C legacy controller reference
Huidu HD-C35 and HD-C35C are no longer in production. The original listing identifies C36/C36C as alternative models. Check module connections and screen configuration before selecting a replacement.
These asynchronous cards handle stored video, images, GIFs, text, office documents and clocks for LED displays. The specifications below come from the separate HD-C35 and HD-C35C V1.0 manuals dated May 8, 2019.
Technical specifications
| Parameter | Specification |
|---|---|
| Control range | 1024 × 512 pixels |
| Separate dimension limits | Maximum width 1024 pixels; maximum height 1024 pixels |
| Module support | Indoor/outdoor full-color and single-color modules; conventional and mainstream PWM chips |
| Scan mode | Static through 1/64 scan |
| Grayscale | 256–65,536 levels |
| Video decoding / output | 1080p HD hardware decoding; 60 Hz frame-frequency output |
| Memory | 4 GB flash; USB-drive expansion |
| Communication listed | 100M RJ45 Ethernet, Wi-Fi, USB and LAN; 3G/4G connectivity |
| Power / data inputs | 1 × 5 V DC, 1 × 100 Mbps RJ45, 1 × USB 2.0 |
| Common outputs | 1 × Gigabit RJ45; stereo audio |
| Working temperature | −20°C to 80°C |
The width and height maxima are separate limits, not a 1024 × 1024 loading specification. The C35C manual explicitly lists 10 HUB75E outputs. Use the matching model’s PDF to check its board connections.
Content and connection options
Both manuals list AVI, WMV, MP4, 3GP, ASF, MPG, FLV, F4V, MKV, MOV, DAT, VOB, TRP, TS and WEBM video formats. Supported image formats include BMP, GIF, JPG and PNG; office formats include DOC, DOCX, XLS, XLSX, PPT and PPTX. Text, RTF and HTML content, clock displays, timing, temperature, humidity and brightness functions are also listed.
For C35C, the features section specifies mobile-app management over Wi-Fi, automatic controller-ID identification without manual IP setup, and optional 3G/4G Internet connectivity. Verify the installed communication configuration on a legacy unit before planning remote updates.
Product images



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Frequently Asked Questions
Are Huidu C35 and C35C discontinued?
Yes. This listing states that both are no longer in production and identifies C36/C36C as alternatives. Compatibility should be checked for the intended screen.
What is the control range of C35/C35C?
Both V1.0 manuals specify 1024 × 512 pixels. They separately list a maximum width and height of 1024 pixels.
Can these cards play 1080p video?
Both manuals list 1080p HD hardware decoding with 60 Hz frame-frequency output. Screen loading remains subject to the controller’s specified control range.
How many HUB75E outputs does C35C have?
The HD-C35C V1.0 system-function table lists 10 HUB75E outputs. Consult the separate C35 manual for C35 board wiring.
Is 3G/4G included with C35C?
The C35C features section labels 3G/4G Internet connectivity as optional. Check the installed hardware configuration.







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