HD-3288B Android LCD controller
The Huidu HD-3288B uses an RK3288 quad-core ARM Cortex-A17 processor for LCD signage and interactive displays. HDMI connects the display, while Ethernet and Wi-Fi provide network connectivity. Integrated expansion and audio functions reduce the need for separate interface boards.
Technical specifications
| Parameter | Specification |
|---|---|
| Processor | RK3288, quad-core ARM Cortex-A17, up to 1.8 GHz |
| Operating system | Android 7.1.2 |
| GPU | Mali-T764 MP4 |
| RAM / storage | 2GB DDR3 / 16GB eMMC for this (2+16) configuration |
| Expansion | TF card; 1 × USB 2.0 HOST and 1 × USB 2.0/OTG |
| Display output | 1 × HDMI 1.4; supports 4K output |
| Network | RJ45 100 Mbps Ethernet; 2.4 GHz Wi-Fi 802.11b/g/n |
| Image rotation | 0°, 90°, 180° or 270°, manual |
| Audio | Left and right channel line output |
| Power adapter | AC 100–240V, 50–60Hz input; DC 12V 1.5A output |
| Working / storage temperature | −20°C to 70°C / −40°C to 70°C |
LCD display integration
HD-3288B supports HDMI LCD displays and cropped-screen layouts of different sizes and resolutions. Check the required display timing and peripheral interfaces against the specification before integration. The specification also supports manual image rotation, allowing the content orientation to match the display installation.
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Frequently Asked Questions
Which processor does HD-3288B use?
It uses the Rockchip RK3288 with a quad-core ARM Cortex-A17 architecture and a maximum listed frequency of 1.8 GHz.
Can I connect an LCD display through HDMI?
Yes. HDMI is the listed display interface for this controller. Match the display timing and resolution to the specification.
Does HD-3288B have Wi-Fi?
Yes. Wi-Fi and Ethernet are integrated.
Which expansion interfaces are listed?
The product description lists TF-card expansion, one USB 2.0 HOST and one USB 2.0/OTG interface.








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