HUIDU HD-40B Specification
Here is the HUIDU HD-40B Specification to help you know more about HD-40B LCD Display Motherboard overview, tech parameters, features list, Connection methods, product size, interface parameter, etc.
- V0.1 20210803
System Overview
HUIDU HD-40B is a well-built LCD digital signage motherboard, using an A40i quad-core chip solution, equipped with an Android 7.1.2 system, the highest frequency is 1.2GHz, and Mail-400MP2 GPU is adopted, which can be compatible with most video formats and decoding capabilities. And it comes with a WIFI module, supports mobile APP point-to-point wireless messaging； the RJ45 interface can be connected to the Internet or LAN to realize network cluster management. HD40B is widely used in the control of LCD display screens in security, medical, transportation, finance, industrial control, and other fields.
Features
- High stability. The A40i Android integrated board adds its own unique technology to the hardware and software to ensure the stability of the product, which can make the final product reach 7*24 hours unattended.
- High integration. integrates functions such as Ethernet, Wi-Fi, power amplifier, TF expansion card, USB expansion port, HDMI, etc., which greatly simplifies the installation of the whole machine
- Cluster management. Support the unified management of multiple LCD screens in the local area network and the Internet.
- High definition. Supports LCD display screens with HDMI interface, and supports cropping screens of various sizes and resolutions.
Basic Parameters
1. Hardware Parameters
Hardware Parameters | |
CPU | A40i, Quad-core， Dominant Frequency up to 1.2GHz， Android7.1.1 |
GPU | Mail-T764 GPU MP4 Quad-core GPU Support OpenGL ES1.1/2.0,OpenVG1.1,OpenCL |
Memory | DDR3, 1GB |
Built-in ROM | eMMC 8GB TF Card Extend(Extendable SSD) |
Network | Support RJ45 R/A 100M Support 2.4G Wi-Fi, support Wi-Fi 802.11b/g/n protocol. |
Image Rotation | Support 0 degrees, 90 degrees, 180 degrees, 270-degree manual rotation |
Display Interface | 1 HDMI, 1.4 support 4K@30Hz output |
Audio | Support standard left & right channel line output |
RTC | Built-in real-time clock function |
USB | 1USB-2.0 HOST, 1 USB2.0 or OTG |
LED | 1*power status LED(green),1*system LED(green blinking in default) |
Button | 1 * Recovery button |
Power Adapter | Input: AC100-240V.50-60Hz, output: DC12V 1.5A (Requires that the surge voltage is less than 18V and the ripple voltage is less than 100mV) |
2. Software Parameters
| Software Parameters | |
| Operating System | Android 7.1.1 |
| Audio | MP3,WMA,WAV, APE, FLAC, AAC, OGG,M4A,3GPP, etc. |
| Video | Support AVI， Rm，Rmvb， MKV， WMV， MOV， MP4， DAT， PMP， MPEG， MPG， FLV， ASF ， TS， TP，3GP， MPG, and other video formats |
| Image | Support JPG、BMP、PNG and other image formats |
| The 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 |
| Typewriting | Standard Android keyboard, optional third-party input method |
| System Management | The original ecological Android system, open root permissions, can be customized product development |
| Real-time remote monitoring, self-recovery of a system crash, 7 * 24 hours unattended | |
| Support OTA remote upgrade; support U-disk upgrade | |
| Support boot animation definition | |
| Support server / standalone mode switch | |
| Support Wi-Fi hotspot | |
| System Watchdog | Support software watchdog |
Product Size Specifications
Product Interface Diagram
Interface parameter description
1. PWR / DC (power input) Interface
2. HDMI Output
3. LAN Port
Connect to the Internet/LAN to realize Internet remote cluster management and LAN cluster
management.
4. Audio Interface and Reset Control
- Standard 3.5mm dual-channel audio interface, which can be directly connected to low-power speakers or amplifiers.
- The reset hole is hidden in the audio port. Long press with a long reset needle to restore the factory settings.
5. TF Card Slot
6. SIM Card Slot (Optional)
Install the 4G mobile phone card interface, and realize remote cluster management after
connecting to the Internet (4G module needs to be installed, 4G module is not standard
configuration, according to user needs to install before leaving the factory).
7. OTG Interface
Upgrade firmware and other functions, the box can be customized as a USB interface through
jumpers before assembly.
8. USB Interface
9. 4G Antenna Port（Optional）
10. Wi-Fi Antenna Port
11. IR Receiver Port
Communication Methods
1: Update Programs by Wi-Fi
Mobile APP-“LedArt” download here.
2: Update Program with U-disk
3: Update Program by TF Card
4: Update Programs with LAN
5: Update Programs by the Internet
Note:
- The 4G module is an optional accessory, installed in the playback box before leaving the factory;
- Non-standard features, the picture of the specification may be slightly different from the actual product, if you have any questions, please contact Huidu Technology for confirmation;
Statement
This HUIDU HD-40B Specification is just for reference only, if you have any problems during using this LCD Screen Motherboard or have any questions about this datasheet, please contact the HUIDU tech department.