- M21(2+16GB) - $68.00
- M21(4+32GB)
- M21(4+64GB)
PRODUCT DETAILS
LCD Smart Motherboard HD-M21
The M21 is a LCD display smart motherboard, it is supports Internet remote cluster control for LCD advertising screens in shopping malls, hotels, airports, train stations, banks, etc., supports unified management with LED displays.
- High performance. The RK3288 chip uses a quad-core ARM Cortex-A17 architecture, the main frequency can be as high as 1.8GHz, compared with the single-core, dual-core, and quad-core solutions common in the market. It has a qualitative leap in performance, can play high-definition video in various formats, and can handle complex interactive operations.
- High stability. RK3288 Android integrated board, in hardware and software, add your own unique technology to ensure the stability of the product, can make the final product 7 * 24 hours unattended.
- High integration. RK3288 Android integrated board integrates Ethernet, EDP, Wi-Fi, power amplifier, TF expansion card, USB expansion port, IR remote control function, HDMI, LVDS, backlight control, microphone and other functions, greatly simplifying the overall design.
- High scalability. SIX expansion USB ports (4 ports are PIN type, 2 ports are standard type), 2 serial ports + 1 expandable debug serial port, five IO expansion ports can expand more peripheral device.
- High definition. Supporting various LVDS / EDP / HDMI interfaces and cropping screens of various sizes and resolutions.
- Perfectly support multiple mainstream touch screen functions such as multi-point infrared touch, multi-point capacitive touch, multi-point nano film touch, multi-point acoustic wave touch, multi-point optical touch, etc.
LCD Smart Motherboard HD-M21 Size：
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Hardware specifications |
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CPU |
RK3288, Quad-core, the highest frequency 1.8GHz，Android 7.1.2 |
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GPU |
Mail-T764 GPU MP4 Quad-core GPU Supports OpenGL ES1.1/2.0,OpenVG1.1,OpenCL |
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Memory |
DDR3, 2GB by default |
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Built-in storage capacity |
eMMC 8GB supports 16/32 / 64GB TF Card expansion (can be used to expand SSD) |
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Network |
Support RJ45 R / A 100M Ethernet, support Ethernet. Supports 2.4G / 5G Wi-Fi and Wi-Fi 802.11b / g / n protocols. Support Bluetooth 4.2, sending program by Bluetooth |
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Image rotation |
Support manual rotation of 0 degrees, 90 degrees, 180 degrees, 270 degrees |
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Display interface |
1 * LVDS interface (single / dual, 6-bit / 8-bit), support 3.3V / 5V / 12V power supply 1 EDP interface, 1 HDMI1.4 interface, support 4K output Support dual screen simultaneous display function, can directly drive interface LCD screen with multiple resolutions Onboard backlight control supports 12V backlight power supply |
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Audio |
Support standard left and right channel line output |
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Power amplifier |
2 outputs (8 ohms, 5 watts dual audio amplifier output) |
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Microphone |
Differential MIC input |
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Touch screen |
Support USB multi-point infrared touch, multi-point capacitive touch, multi-point nano film touch, multi-point acoustic wave Touch, multi-point optical touch and more. |
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RTC |
Built-in real-time clock function |
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USB |
1 USB-2.0 HOST, 1 USB-2.0 OTG, 4 extended USB ports (one of USB share with 4G module) |
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Infrared |
Infrared receiver, support infrared remote control function |
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LED |
1 * Power status LED (green), 1 * System LED (green, blinking by default) |
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Button |
1 * upgrade key |
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Serial port |
2 UART port, 1 DEBUG port |
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IO port |
5 IO input and output control, can be used as key scanning control |
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Power Adapter |
Input: AC100-240V.50-60HZ, Output: DC12V 1.5A (Requires surge voltage less than 18V and ripple voltage less than 100mV) |
Further Information:
Huidu HD-M21
Huidu HD-M21 LCD Controller Specification
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