3.5″ UART HMI Touch Display for Embedded Control
The ND035SNR320480-A01 is a compact 3.5-inch UART HMI touch display designed for embedded control, smart equipment, user-interface panels, and Arduino or ESP32 applications. It combines a 480×320 TFT display, 4-wire resistive touchscreen, TTL UART communication, and a compact open-frame structure for integration into custom equipment. An RS-232 hardware version is available subject to project configuration.
Technical Specifications
| Model | ND035SNR320480-A01 |
|---|---|
| Display | 3.5″ TN TFT |
| Application Resolution | 480 × 320 landscape |
| Native Pixel Arrangement | 320RGB × 480, configured for 480 × 320 landscape operation |
| Display Option | IPS TFT optional |
| Brightness | 250 cd/m² |
| Touch | 4-Wire Resistive Touchscreen |
| Touch Options | No Touch / Capacitive Touch optional |
| Standard Interface | TTL UART |
| Optional Interface | RS-232 hardware version, subject to configuration |
| Power Input | 5 V DC |
| UART Logic Level | Subject to the confirmed hardware version; verify before connection |
| Structure | TFT + PCBA + RTP |
| Outline Dimensions | 93.0 × 70.1 mm |
| Active Area | 73.44 × 48.96 mm |
| Connector | 10-Pin, 1.0 mm Pitch |
| Mounting | Open-Frame / Embedded Integration |
| Controller Compatibility | Arduino, ESP32, and other UART-capable MCUs via TTL UART |
| Operating Temperature | −20°C to +70°C |
| Storage Temperature | −30°C to +80°C |
Display Drawing

Interface Definition
The pin direction below is defined from the display module perspective. Confirm the selected TTL UART or RS-232 hardware version before wiring.
| Pin No. | Definition | Remarks |
|---|---|---|
| 1-3 | 5V | Power |
| 4 | NC | Floating pin |
| 5 | RXD | Data input to display |
| 6 | TXD | Data output from display |
| 7 | NC | Floating pin |
| 8-10 | GND | GND |




Development Resources
The following engineering resources are available on request for qualified projects:
- Product datasheet
- Mechanical drawing
- UART command set
- Development software
- Arduino sample code
- ESP32 sample code
- Interface pinout
Contact NoseDisplay with model ND035SNR320480-A01 and the required interface version to request the applicable development package.
Customization Options
Hardware Customization

Optional hardware customization includes TN or IPS display selection, resistive or capacitive touch, cover glass, brightness, connector position, PCBA design, and mechanical dimensions. Final specifications are subject to engineering evaluation.
Interface & Communication Customization

Interface options may include TTL UART or RS-232 hardware configurations, connector changes, communication protocol integration, and MCU compatibility support based on project requirements.
Software & UI Customization

Optional services include UI design, icon and theme customization, multilingual fonts, command-set integration, demonstration projects, and application support for Arduino, ESP32, and other UART-capable controllers.
Environmental Customization

Optional enhancements may include extended-temperature components, customized cover glass or enclosure, EMC improvements, optical bonding, and upgraded environmental protection. Final specifications are subject to engineering evaluation.



