3.5 Inch 320x480 ESP32-S3 UART USB IPS TFT Touch IoT Display Module
ND028SNG320480E-A 3.5 Inch 320×480 ESP32-S3 UART USB Interface IPS TFT Touch Smart Display with WiFi BLE LVGL Support for Embedded HMI IoT Control and Industrial Applications
The ND028SNG320480E-A is a high-resolution ESP32-S3 smart display designed for embedded HMI systems requiring enhanced UI clarity. Featuring a 3.5 inch 320×480 IPS TFT touchscreen, it delivers sharper visuals and improved interface detail compared to standard 240×320 displays.
Powered by an ESP32-S3 dual-core processor at 240MHz with 8MB PSRAM and 16MB Flash, it ensures smooth LVGL GUI rendering and responsive performance. Integrated 2.4GHz WiFi and BLE 5 provide stable wireless connectivity.
With UART and USB interfaces and support for RS232, RS485, and CAN, it enables seamless integration with MCUs and PLC systems. Preloaded LVGL and optimized UART communication simplify development, making it ideal for industrial control panels, smart home systems, and advanced embedded interfaces.
Product Features
High Performance MCU – Dual-core 240MHz MCU with 8MB PSRAM + 16MB Flash for stable performance
High Resolution Display – 3.5″ 320×480 IPS display for clear, sharp visuals
Touch Interaction – Multi-touch capacitive screen for smooth interaction
Wireless Connectivity – 2.4GHz WiFi + BLE 5 for reliable IoT connectivity
Industrial Interfaces – UART, USB, RS232, RS485, CAN for easy system integration
Memory Resources – LVGL ready for fast UI development
LVGL Ready – Optimized UART HMI for simple plug-and-play control
Built for industrial use – automation, medical, EV, and control systemsApplication Scenarios
Industrial automation HMI panels for complex machine control systems
Smart home central control interfaces for multi-device management
IoT edge terminals with rich graphical user interaction display
Medical monitoring devices requiring high-resolution stable touch screen
Smart vending machines with interactive UI and payment interface
EV charging stations with detailed status and control displayCompetitive Advantages
High resolution 320×480 IPS display for sharper visual experience
ESP32-S3 dual-core ensures strong performance and smooth operation
Integrated WiFi BLE supports flexible wireless connectivity options
Multiple industrial interfaces including UART RS232 RS485 CAN support
LVGL pre-integration enables fast professional UI development
Industrial-grade design ensures stability in demanding environmentsSpecifications
Weight: 0.085 kg Dimensions: 20 × 15 × 10 cm Model ND028SNG320480E-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 3.5 Inch Resolution 320*480 Brightness 250 cd/m2 Touch Screen Capacitive Outline Demension 61.5(W)*89.97(H)*3.48(D) Operating Voltage 5V Operating Current 150mA Operating Temp -20~70℃ Storage Temperature -30-80°C
Interface Definition
| ESP Pin NO. | FUNCTION |
| GND | Grounds |
| 3.3V | Power 3.3V |
| CHIP-EN | High: on, enables the chip Low: off, the chip powers off. Note: Do not leave the EN pin floating |
| GPIO4 | RTC_GPIO4, GPIO4, TOUCH4, ADC1_CH3 |
| GPIO5 | RTC_GPIO5, GPIO5, TOUCH5, ADC1_CH4 |
| GPIO6 | RTC_GPIO6, GPIO6, TOUCH6, ADC1_CH5 |
| GPIO7 | RTC_GPIO7, GPIO7, TOUCH7, ADC1_CH6 |
| GPIO15 | RTC_GPIO15, GPIO15, U0RTS, ADC2_CH4, XTAL_32K_P |
| GPIO16 | RTC_GPIO16, GPIO16, U0CTS, ADC2_CH5, XTAL_32K_N |
| GPIO17 | RTC_GPIO17, GPIO17, U1TXD, ADC2_CH6 |
| GPIO18 | RTC_GPIO18, GPIO18, U1RXD, ADC2_CH7, CLK_OUT3 |
| GPIO8 | RTC_GPIO8, GPIO8, TOUCH8, ADC1_CH7, SUBSPICS1 |
| GPIO19 | RTC_GPIO19, GPIO19, U1RTS, ADC2_CH8, CLK_OUT2, USB_D- |
| GPIO20 | RTC_GPIO20, GPIO20, U1CTS, ADC2_CH9, CLK_OUT1, USB_D+ |
| GPIO9 | RTC_GPIO9, GPIO9, TOUCH9, ADC1_CH8, FSPIHD, SUBSPIHD |
| GPIO10 | RTC_GPIO10, GPIO10, TOUCH10, ADC1_CH9, FSPICS0, FSPIIO4, SUBSPICS0 |
| GPIO11 | RTC_GPIO11, GPIO11, TOUCH11, ADC2_CH0, FSPID, FSPIIO5, SUBSPID |
| GPIO12 | RTC_GPIO12, GPIO12, TOUCH12, ADC2_CH1, FSPICLK, FSPIIO6, SUBSPICLK |
| GPIO14 | RTC_GPIO14, GPIO14, TOUCH14, ADC2_CH3, FSPIWP, FSPIDQS, SUBSPIWP |
| GPIO21 | RTC_GPIO21, GPIO21 |
Custom Your Display
We provide fully customized 3.5-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 3.5-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 3.5-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 3.5-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 3.5-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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