Mini LCD Digital Signage Motherboard HD-40M
Features：
● Minimalist design, reserved common interfaces, Mini size, can be used in ultra-thin application scenarios;
● 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. The A40i Android all-in-one board integrates Ethernet, Wi-Fi, a Power amplifier, a USB expansion port, an IR remote control function, LVDS, a Backlight control, a microphone, and other functions, which greatly simplifies the design of the whole machine.
● High scalability. 3*USB (1 *Pins, 2 *standard), 2 *serial ports (1 *UART, 1 *DEBUG).
● High definition. It supports various LVDS interface LCD displays and supports various sizes and resolutions of cropped screens.
● 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：
| Hardware specifications | |
| CPU | A40i, Quad-core, Dominant Frequency up to 1.2GHz， Android7.1.1 |
| GPU | Mali400 MP2 |
| Memory | 1GB |
| Built-in ROM | eMMC Default 8GB |
| Network | RJ45 100M; Ethernet；
Wi-Fi, support Wi-Fi 802.11b/g/n protocol； |
| Image rotation | Support 0-degree, 90 degree, 180-degree, 270-degree manual rotation |
| Display interface | 1*LVDS interface (single/dual, 6-bit/8-bit), support 3.3V/5V/12V power supply
The onboard backlight control supports a 12V backlight power supply |
| Audio | Support standard left & right channel line output;
support 3.5mm audio output interface |
| Power amplifier | 2 outputs (8 ohms, 5 watts dual audio amplifier output) |
| Touch screen | Support USB multi-point infrared touch, multi-point capacitive touch, multi-point nanofilm touch, multi-point sound wave
Touch, multi-point optical touch, and so on |
| RTC | Built-in real-time clock function |
| USB | 1 *USB-2.0 HOST , 1* USB2.0 OTG, 1 *Expansion USB |
| IR | Infrared receiver supports infrared remote control function |
| LED | 1*power status LED(green),1*system LED(green blinking in default) |
| Button | 1*upgrade key |
| Serial port | 1 *UART，1 *DEBUG |
| IO Port | 5 *IO input/output， Available 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 | |
| Operation system | Android 7.1.1 |
| Audio | MP3, WMA, WAV, APE, FLAC, AAC, OGG, M4A,3GPP, and other formats |
| Video | Support AVI， rm，rmvb， MKV， WMV， MOV， MP4， DAT，PMP， MPEG， MPG， FLV， ASF， TS， TP，3GP， MPG, and other formats |
| Image | Support JPG、BMP、PNG and various images formats |
| System default 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 method | Standard Android keyboard with the 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 |
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