4 Inch Fully Integrated Serial Port Screen 480x800 Configuration Script Serial TFT Display With Capacitive Touch For Medical

4 Inch Serial Port Screen Overview
The ET040M4880-DC is a 4-inch serial TFT display with 480×800 resolution and capacitive touch. It features an 86.4×51.8 mm active area, 119.5×61.8×11.4 mm outline, 350 cd/m² brightness, and 80° viewing angles in all directions. The display operates from -20 °C to 70 °C and can be stored between -30 °C and 80 °C.
Product Model
ET040M4880-DCC(Capacitive touch)
4 Inch Serial Port Screen Product Parameters
Product Series: Medical Grade
Core processor: 400M SOC processor
Operating system: No operating system, it can run after power on.
Protocol type: Default Dacai configuration instruction set, the host computer can be configured to run MODBUS RTU and XGUS protocols.
Scripting language: Version 5.3 LUA script, the screen can run logic, protocols and algorithm functions written by the user.
Size: 4.0 inches
Resolution:480x800
Installation direction: Supports 0, 90, 180 and 270 degree rotation installation display.
Storage space: 128Mbit
Font library: Built-in vector fonts, edge anti-aliasing processing, supports any size ASCII, GBK, GB2312, UNICODE (global language) font library, and can also customize any computer font display.
Image storage: Supports JPEG, PNG (semi-transparent/fully transparent) compression, and supports image storage of any size. It can store about 185 full-screen pictures in total (based on the size of 80KB/picture, BMP format is not recommended). Depending on the image compression ratio, this value will fluctuate up and down.
Color: 65K colors, 16-bit RGB
Voltage:4.5-30V
Power consumption
Sleep:0.2W
Darkest backlight without speaker: 0.6W
The darkest backlight with speakers: 0.9W
Brightest backlight without speaker: 1.1W
The brightest backlight with speaker: 2.2W
Communication method: RS232/TTL (factory default 232 level, short J5 for TTL level).
Communication baud rate: 1200~921600bps, typical baud rate: 115200bps.
Communication connector specifications: Default HY2.0-8P, optional FPC1.0-10P.
Local download of pictures: SD card, serial port, U disk (needs to be customized).
Firmware local/remote upgrade: Insert the SD card for local upgrade/support user motherboard remote serial port upgrade screen firmware.
Remote image upgrade: Support users to remotely use their own motherboard serial port to upgrade screen-related image projects, fonts, configuration files, etc.
Effective display area of the screen: 86.4mmx51.8mm
Product size: 119.5mmx61.8mmx11.4mm (MAX, including TP)
Supporting host computer software: VisualTFT®
Working temperature: -20～+70℃
Storage temperature: -30～+80℃
Audio playback: MP3 audio format (speaker 4Ω 2W, mono), shares storage space with pictures. If the sampling rate of mp3 format is 128kbps, it takes up 0.92MB/minute of storage.
Audio connector specifications: PH2.0-2P
Video playback: MP4 video format, sharing storage space with pictures. If a video file has a resolution of 800*600, a video bit rate of 3000Kbps, an audio bitrate of 166Kbps, and a frame rate of 25Hz, it will occupy 21.9MB/minute of storage.
Conformal anti-paint process: None (optional)

Reliability parameters
Operating Temperature: 20~+70°C
Storage Temperature: 30~+80°C
ESD testing
IEC 61000-4-2 Air: ±10KV (no restart)
EFT test
IEC 61000-4-4 national standard 4 (voltage: ±4KV; frequency: 100/5KHZ; time: 120S), no restart, no display abnormality, no touch abnormality and other phenomena, the test function is normal.

Core competitiveness of products
Learning cycle: 30 minutes to familiarize yourself with the development environment, 3 days to complete human-computer interaction design.
Program debugging: The host computer integrates a "virtual serial port screen," eliminating the need for hardware connection and allowing direct Keil debugging. IDE-bound debugging
Startup Time: Runs instantly upon power-up, eliminating system loading time
Configuration Controls: Features a variety of configuration controls, including multi-language controls, buttons, text, drop-down menus, progress bars, sliders, meters, animations, QR codes, curves, data loggers, circular progress bars, and sub-screen slide controls.
System Keyboard: Built-in virtual numeric and character keyboards, supporting Chinese and English input methods, and customizable keyboards.
Data Logging: Supports exporting data logger content to an SD card.
Layer Technology: Multiple display layers are built into the system for faster switching.
Multilingual Capability: Factory-preset up to 15 global languages, enabling one-click switching without the need for multiple UIs.
Logical Operation Processing: The host computer has an embedded LUA script parser, allowing users to customize complex logic relationships and protocols within the screen, meeting 99.9% of customer product requirements.
Remote Upgrade: Supports remote serial port upgrades of display firmware, project files, specified images, configuration files, and fonts.
Lifecycle: Utilizes a traditional, leading-edge processor, ensuring long-term supply.

4 Inch Serial Port Screen
Display Type: IPS LCD
Backlight: LED
Brightness (cd/m²): 350
Backlight Lifespan (hours): >20,000
Contrast Ratio: 900:1
Viewing Angles (L/R/T): 80/80/80/80

Touch panel
Touch Type: Capacitive Touchscreen
Capacitive Touch Modes: Single-touch and Slide Touch
Capacitive Touch Transmittance: Over 90%
Capacitive Touch Lifespan: Theoretically, unlimited touches are possible; touch lifespan is dependent on operating environment (dust and humidity).
Capacitive Cover Customization: Customizable "glass cover + capacitive touch" lamination service based on user drawing dimensions.

Customized services
Customization Fees: For orders of 1,000 units, some customization fees may be waived.
Hardware Circuits: Customizable PCB size, circuit thickness, custom circuitry, military-grade temperature display, and more.
Software Customization: Customizable instructions or controls based on user needs, reducing development effort.
Design Services: Graphic design and product structure design services available.
Other: Customizable on demand to meet all user needs.

PRODUCTION AND MANUFACTURING

Application Areas