ND035SNB320480-A02 | 3.5 Inch HMI Display 320x480 TN TFT LCD TTL-RS232 Serial Interface Compatible with Arduino & ESP32 Wide Temperature Range
The ND035SNB320480-A02 is a 3.5-inch multifunctional HMI display module, designed for versatile embedded applications. Featuring a TFT-TN transmissive panel with 320×480 resolution, it delivers sharp visuals and smooth user interaction in a practical size.
With TTL-RS232 serial interface and broad compatibility with Arduino, ESP32, and other development boards, this smart display ensures easy prototyping and seamless system integration. Its durable design, wide operating temperature range (-20°C ~ 70°C), and polarity-protected power input make it suitable for industrial as well as consumer applications.
Product Features
3.5-Inch Display – Larger screen with 320×480 resolution for clear and detailed visuals.
Brightness 250 cd/m² – Balanced luminance for stable visibility in various lighting conditions.
Responsive Touch Control (Optional)– Reliable resistive touchscreen (RTP) for intuitive user operation.
Built-in DDRAM 300K – Ensures smooth data processing and system responsiveness.
Flexible Interfaces – Supports TTL and RS232, making it easy to integrate with Arduino, ESP32, and similar dev boards.
Durable Performance – Operates from -20°C to 70°C, engineered for industrial and embedded environments.
Compact Connection – 1.25mm 4-pin connector for simple and stable installation.
Application Scenarios
Smart appliances and coffee machines
Vending and ticketing terminals
Industrial control panels and handheld devices
DIY and maker projects with Arduino or ESP32.
Competitive Advantages
Larger display area while maintaining compact design
Built-in DDRAM for reliable and flexible data handling
Dual interface support (TTL/RS232) for versatile integration
Arduino- and ESP32-friendly design for rapid prototyping
Wide temperature tolerance for demanding environments.
This 3.5-inch HMI smart display is a cost-effective, powerful, and developer-friendly solution for engineers seeking a reliable user interface module for both industrial and consumer electronics.
General Specifications
| Part No.: | ND035SNB320480-A02 |
| Size: | 3.5 inch |
| Display Format: | 320×480 Resolution |
| Display Type: | TFT- TN Display |
| Display Mode: | Transmissive |
| Touchscreen: | No |
| Structure | TFT+PCBA |
| Active Area: | 54.4(H) X84.4(V) mm |
| Supply Voltage: | 3.3V-5.0V |
| Luminance | 250 Cd/m² |
| Interface: | UART-TTL |
| Connection Type: | 1.25mm, 4 pin |
| DDRAM | 300K |
| Compatibility: | Arduino, ESP32 and similar development boards |
| Operation Temperature: | -20°C ~ 70°C |
| Storage Temperature: | -30°C ~ 85°C |
| Mount Frame: | None |
Display Drawing





Custom Your Display
LCD Hardware Customization

We provide 3.5-inch UART Display solutions with full customization across hardware and software, ensuring easy integration, dependable performance, and faster development—helping you bring advanced, high-value products to market more efficiently.
LCD Interface & Communication Custom

Our 3.5-inch UART Display support a range of interface options, including UART, CAN, and SPI, giving you versatile protocol compatibility for stable connections, reliable operation, and easy integration within your LCD projects.
LCD Software Customization

For 3.5-inch UART Display, we provide tailored UI development with specialized icons, personalized themes, and support for multiple languages. Together with onboard storage, command libraries, and developer tools, these enhancements streamline the design process and speed up product delivery.
LCD Industrial Grade Adaptation

Our 3.5-inch UART Displays are specifically designed for demanding industrial and automotive use, operating dependably from -40°C to 85°C. Equipped with IP65/IP67 sealing, enhanced EMC resilience, and a reinforced anti-vibration build, they provide consistent durability and performance even under extreme working conditions.





