4 Inch 480x480 ESP32-S3 UART USB IPS TFT Touch IoT Display Module
The ND040SSG480480E-A is a 4 inch 480×480 ESP32-S3 based smart IoT display module designed for engineers building modern HMI, industrial control panels, and edge IoT devices. It integrates a high-performance dual-core ESP32-S3 MCU running at 240MHz with 8MB RAM and 16MB Flash, enabling smooth execution of LVGL-based graphical interfaces and real-time applications. The 4.0 inch IPS TFT panel with 480×480 square resolution provides high-quality color reproduction, wide viewing angles, and consistent brightness for industrial environments. Supporting UART and USB interfaces, along with WiFi 2.4GHz and BLE 5 connectivity, this module ensures flexible integration with PLCs, MCUs, and cloud IoT systems. With multi-touch capacitive input, RS232/RS485/CAN expandability, and rich GPIO resources, it is ideal for smart home control, factory automation, energy systems, EV charging stations, and embedded UI development. This display is optimized for rapid prototyping, reducing engineering complexity while improving deployment efficiency for scalable IoT solutions.
Product Features
High Performance MCU – ESP32 S3 240MHz processor ensures smooth GUI rendering and stable multitasking performance;
Square IPS Display – 4 inch 480×480 IPS TFT delivers wide viewing angles and vivid color output;
Touch Interaction – Multi point capacitive touch enables accurate responsive and smooth human machine interface control;
Wireless Connectivity – Integrated WiFi 2.4GHz and BLE 5 provide stable IoT communication and remote control;
Industrial Interfaces – Supports UART USB RS232 RS485 CAN enabling flexible industrial device integration scenarios;
LVGL Support – Pre integrated LVGL framework enables fast UI development and smooth animation rendering performance;
Memory Resources – 8MB RAM and 16MB Flash support complex applications and graphical interface workloads;
Rugged Reliability – Industrial grade design ensures stable operation in automation and harsh environments applications;
Rapid Development – Optimized SDK and tools significantly reduce development time for embedded engineers worldwide.Application Scenarios
Industrial HMI systems requiring square display for intuitive control layouts
Smart home dashboards with clear UI and real-time device monitoring
IoT control panels with interactive touch and wireless connectivity
Medical devices needing high-resolution compact display interfaces
Smart retail kiosks with engaging square touchscreen user interaction
EV charging interfaces with detailed status visualization and controlsCompetitive Advantages
480×480 square IPS display enables balanced and modern UI layouts
ESP32-S3 dual-core ensures smooth graphics and responsive performance
Integrated WiFi and BLE for flexible wireless communication options
Multi-interface support including UART RS232 RS485 and CAN bus
Preloaded LVGL framework for fast and efficient UI development
Industrial-grade stability for reliable long-term embedded applicationsSpecifications
Weight: 0.11 kg Model ND040SSG480480E-A OS RTOS CPU ESP32-S3 240Mhz Ram 8MB Flash 16MB Wireless 2.4GHz Wi-Fi、 BLE 5、 BLE Mesh Interface UART/USB Display Type IPS TFT Screen Size 4 Inch Resolution 480*480 Brightness 350 cd/m2 Touch Screen Capacitive Outline Demension 94*94 Operating Voltage 5V Operating Current 150mA Operating Temp -20~70℃ Storage Temperature -30-80°C
Interface Definition
| ESP Pin NO. | Description |
| LEDA | Power supply for backlight anode,Controlled by GPIO38 |
| LEDK1/GND | Power supply for backlight cathode,Control the backlight with LEDA |
| LEDK2/GND | Power supply for backlight cathode,Control the backlight with LEDA |
| GND | Power Ground |
| VDD_3V3 | Power supply to the internal logic power regulator( 3.3V) |
| RESET | The signal will reset the LCM, Signal is active low.but no connection |
| NC | no connection |
| SDA,GPIO47 | Serial in/out signal，for initial RGB I/F. The data is applied on the rising edge of the SCL signal. |
| SCK,GPIO48 | serial interface clock，for initial RGB I/F. |
| CS,GPIO39 | Chip select input pin (“Low” enable)，for initial RGB I/F. |
| PCLK,GPIO21 | Pixel clock input pin, Negative polarity |
| DE,GPIO18 | Data input enable. Display access is enabled when DE is “H” |
| VSYNC,GPIO17 | Vorizontal sync signal, Negative polarity |
| HSYNC,GPIO16 | Hertical sync signal, Negative polarity |
| B0-B5,GPIO15-11 | Blue data input. |
| G0-G5,GPIO10-5 | Green data input. |
| R0-R5,GPIO4-0 | Red data input. |
| GND | Power Ground |
| TP_INT | Interrupt signals for TP,but no connection |
| TP_SDA,GPIO40 | I2C data signals for TP |
| TP_SCL,GPIO41 | I2C clock signals for TP |
| TP_RST | The signal will reset the TP, Signal is active low,but no connection |
| TP_VCI | TP_VDD(2.8V) Power Supply for TP |
| GND | Power Ground |
Custom Your Display
We provide fully customized 4-inch Serial Display, covering both hardware and software aspects. Our tailored solutions facilitate smooth integration, accelerate development, and deliver dependable performance, enabling you to bring unique, high-quality products to market efficiently.
LCD Hardware Customization
We offer fully customized 4-inch Serial Display, giving you the ability to adjust size, resolution, panel type, touch functionality, brightness, power supply, and PCB design—ensuring seamless integration and an optimized experience for end users.
LCD Interface & Communication Custom
Our 4-inch Serial Display support customizable UART, CAN, and SPI interfaces, offering versatile protocol options to guarantee dependable performance and smooth integration for your LCD applications.
LCD Software Customization
For 4-inch Serial Display, we create tailored UIs, icons, themes, and multilingual fonts, integrating storage, command sets, and development resources—enabling faster product launches with distinctive and robust functionality.
LCD Industrial Grade Adaptation
For 4-inch Serial Display, we adapt modules for industrial and automotive use, supporting temperature ranges from -40°C to 85°C, with IP65/IP67 sealing, enhanced EMC performance, and vibration-resistant design—delivering durable and dependable operation in demanding environments.
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