Name: Huidu LCD Smart Motherboard HD-M21 LCD Multimedia Card LCD Display Controller
Brand: LED Controller Store
SKU: HD-M21(2+16GB)
Price: 68 USD
Availability: InStock

SKU: HD-M21(2+16GB)

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Description

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 Product Diagram：

LCD Smart Motherboard HD-M21 Size：

Hardware specifications
CPU	RK3288, Quad-core, the highest frequency 1.8GHz，Android 7.1.2
GPU	Mail-T764 GPU MP4 Quad-core GPU Supports OpenGL ES1.1/2.0,OpenVG1.1,OpenCL
Memory	DDR3, 2GB by default
Built-in storage capacity	eMMC 8GB supports 16/32 / 64GB TF Card expansion (can be used to expand SSD)
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
Image rotation	Support manual rotation of 0 degrees, 90 degrees, 180 degrees, 270 degrees
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
Audio	Support standard left and right channel line output
Power amplifier	2 outputs (8 ohms, 5 watts dual audio amplifier output)
Microphone	Differential MIC input
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.
RTC	Built-in real-time clock function
USB	1 USB-2.0 HOST, 1 USB-2.0 OTG, 4 extended USB ports (one of USB share with 4G module)
Infrared	Infrared receiver, support infrared remote control function
LED	1 * Power status LED (green), 1 * System LED (green, blinking by default)
Button	1 * upgrade key
Serial port	2 UART port, 1 DEBUG port
IO port	5 IO input and output control, can be used as key scanning control
Power Adapter	Input: AC100-240V.50-60HZ, Output: DC12V 1.5A (Requires surge voltage less than 18V and ripple voltage less than 100mV)