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LCD Smart Motherboard HD-M21 V3.0

LCD Smart Motherboard HD-M21 V3.0

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.
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 Features:

 

      ● 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. 

 

 Product Diagram:


 

 Size:

 

 

Hardware   specifications

CPU

RK3288, Quad-core, the highest frequency 1.8GHzAndroid 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, 10 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)

 

 

Software   Specifications

operating system

Android 7.1.2

Audio

MP3, WMA, WAV, APE, FLAC, AAC, OGG, M4A, 3GPP and other   formats

Video

Support H.264, VP8, MAV, WMV, AVS, H.263, MPEG4 and   other video formats

1080P multi-video decoding

Image

Support various image formats such as JPG, BMP, PNG

System comes with   application software

APK Installer, Email, Calculator, Browser, Recorder,   Calendar, Settings, Clock, Video Player, Search, Contacts, Gallery, Download,   Camera, Music, Explorer, etc.

Language

support multi-language

Input

Standard Android keyboard with optional third-party   input method

System Management

Original ecological Android system, open root   permissions, and can customize product development

Real-time remote monitoring, system crash   self-recovery, unattended 7 * 24 hours

Support OTA remote upgrade; support U disk upgrade

Support boot animation definition

Support server / stand-alone mode switching

Support Wi-Fi hotspot

System watchdog

Support software watchdog

 

Name Version Description Download
HD-M21 Specification V3.0  

 

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