4.0 inch uart tft lcd display

  • 4.0 inch serial uart tft lcd display
4.0 inch serial uart tft lcd display

4.0 inch serial uart tft lcd display

  • 4.0 inch uart tft lcd
  • UART/RS232/RS485/USB interface
  • smart serial TFT lcd display
  • colours serial screen
  • Product description: 4.0" 4.0 inch uart tft lcd serial smart tft lcd display, RS232 interface, 320x240 pixels, ROHS, Intelligent tft by serial /USB interface,easy GUI
  • INQUIRY

4.0" uart tft LCD display serial smart lcd screen, 320x240 pixels

P/N: MLT040H6-1

Outline: 96.0*76*10 mm

Viewing area:  82.08*61.56 mm

Datasheet download

Want to know more products and price details, contact us now, email : sales@szmaclight.com


Our serial tft lcd provide a easy solution for make a display between human and machine, with serial interface tft, you could communicate to the MCU only via 2 data lines, save the I/O pins of CPU. And prevent users to avoid the hassle of wiring.

MCU UART interface:


RS232 to PC and PLC, transmission distance up to 10m.



By use our smart serial HMI tft lcd, design a GUI would be a easy and relax thing, just simply upload the picture or GUI through USB port or U disk, you could edit the display image by any image editor in computer first, then simply upload the image through USB to the smart display, our software instruction has inbuilt mass design components, such as button, graphic, fonts, circle, rolling bar, instrument tools nextion etc.  from our software instruction, you could make what you see by what you make only by the one or two line instruction code, and can save 90% time in your development phase.

Our serial displays have faster speed for image uploading than other Nextion display.



It is smart tft lcd and could be applied to Internet of thing (IoT) or industrial electronics field. It is the best solution to replace the traditional tft LCD module.


Products features:

* Support interface: USB/UART(TTL:3.3V)/RS232/RS485/RS422

* Color: 16M color

* Fonts: In-built ASCII font, Chinese (GB2312,BIG5), Korean(HANGUL), Japanese(S-JIS).

* Font size: Half/full width: 8*16/16*16, 12*24/24*24,16*32/32*32, the font and sizes could be selected through instruction selection.

* 2D graphics(point, line, circle, ellipse, curve, rectangle) drawing function

* Built in memory, support 128MB-2GByte or external SD card, can be accessed directly through the U disk and user interface.

* Built in file management system, support U disk and computer communication

* Support JPG,BMP,TGA,PNG format image files directly decode and display, and to support the zoom pictures, Large capacity image buffer, may realize the animation display.

* Support ID identification, can realize cascade control

* Support U disk mode connected to computer

* Operating voltage: 5.0V or 3.3V

* Compatible with Raspberry Pi A+, B+ and Raspberry Pi 2.


Example for display picture through U-disk:

1.     Store the picture in U-disk

2.  Calling code:

3. Display result in serial HMI smart LCD

As simple as a piece of cake


Example setting to make background to non transparent:


Software Library table:




Our smart HMI TFT includes a hardware part (a series of TFT LCD module) and a software, no need editor, The TFT module uses only one serial port to communicate. As a solution to save development time, Our smart display software has mass components such as button, text, progress bar, slider, instrument panel etc, as easy than nextion editor. to enrich the interface design. Furthermore, the drag-and-drop function ensures that users spend less time in programming, reduce 90% of development workloads. With the help of the software instruction, designing a GUI is a very easy thing.

It's easy to use smart HMI TFT LCD to replace existing projects. Such as monochrome LCD with serial interface, it is as smart tft as you need.



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Email: sales@szmaclight.com






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Tel: +86-755-27205930 / 36613676

Email: sales@szmaclight.com

Add: No.615,C Zone,Mingyou Purchasing center,Baoyuan Road,Baoan District,Shenzhen,China

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