4 Inch display spi Resistive Touch Panel
- Model: HTM-H040A28-SPI-A01R
- Display pixels: 320×480
- Dimensions (mm): 61.0×108.0x2.5mm
- Brightness: 400cd/m²
- Interface:SPI-4L
- Operating temperature: -20°C to 70°C
- Driver chip: ST7365
$28.00 – $40.00
Description
4 Inch display spi Module 320×480 ST7365 Resistive Touch Panel – High-Quality HMI Solution
This 4-inch display spi , featuring a 320×480 resolution, ST7365 controller, and resistive touch panel, is a high-quality, cost-effective human-machine interface (HMI) solution. The 4 Inch SPI Display is specially designed for all embedded systems, industrial controls, portable devices, and DIY electronics projects that require reliable visual performance and smooth interactive experience.
With a compact 4.0-inch diagonal screen, this 4 Inch display spi delivers clear, sharp visuals and seamless interactive operation, making it an ideal HMI component for electronic designs with space constraints and high performance requirements. At its core, the 4 Inch display spi integrates an SPI interface, which enables simple and efficient connection to mainstream MCUs such as Arduino, Raspberry Pi, and STM32. Compared with traditional parallel interfaces, the SPI interface of the 4 Inch SPI Display significantly reduces the number of required GPIO pins, simplifies wiring complexity, and supports faster data transfer—perfectly suited for systems with limited pin resources and streamlined hardware integration needs.
Equipped with a highly responsive resistive touch screen, this 4 Inch display spi offers unparalleled operational flexibility and durability in various working environments. Unlike capacitive touch screens, the resistive touch panel of the 4 Inch display spi supports precise input via a stylus, gloved hand, or any firm object, with accurate coordinate detection that works seamlessly with the onboard ST7365 controller to ensure smooth interactive operation. This makes the 4 Inch display spi particularly ideal for industrial and outdoor application scenarios where touch reliability is critical.
Engineered for global compatibility, this 4 Inch display spi comes with comprehensive English technical documentation, including detailed datasheets, step-by-step wiring guides, and ready-to-use sample code libraries. This complete set of developer resources for the 4 Inch display spi ensures a smooth and straightforward development process for electronic engineers, hobbyists, and product developers worldwide, accelerating prototyping and final product integration.
As a versatile, user-friendly, and robust HMI component, the 4 Inch display spi (ST7365 controller + resistive touch panel) integrates easy SPI connectivity, reliable resistive touch input, and high-definition visual output into a compact design. Whether for rapid prototyping, small-batch production, or mass product integration, the 4 Inch SPI Display delivers consistent, high-performance operation for all interactive display projects. It is the ultimate practical choice for adding professional-grade HMI functionality to your embedded, industrial, or DIY electronic designs.

STM32 series smart display Solution
- Say goodbye to lag and design your UI freely. The STM32H7 series, based on the Cortex-M7 core, boasts a clock speed of up to 550MHz and features a hardware graphics accelerator.
- Dramatically improve development efficiency and reduce debugging difficulties. STM32CubeMX: Visual configuration and one-click code generation; TouchGFX Designer: WYSIWYG UI design.
- With a rich set of communication interfaces (such as SPI, I2C, UART, CAN, Ethernet), ADCs, timers, and more, it easily connects and manages various sensors, actuators, and network modules.
The key features and advantages of resistive touch screens include:
- Versatile touch operation: Resistive touch screens support input via fingers, gloved hands, styluses or other hard objects, offering great flexibility in use.
- Cost-effectiveness: Resistive touch screens feature a lower manufacturing cost compared with capacitive touch screens.
- Mature technology: Developed early, resistive touch screen technology is relatively mature and highly reliable.
- High precision: They deliver excellent performance in scenarios requiring accurate input (e.g., drawing and handwritten input).
What viewing experience does IPS TFT technology bring to this 4 Inch display spi?
One of the key advantages of this 4 Inch display spi is its adoption of IPS technology, which supports an ultra-wide 178° viewing angle. This guarantees stable and vibrant colour and contrast performance from any viewing position, effectively eliminating colour shift and fading. As such, it is especially ideal for applications that require multi-angle viewing or shared observation by multiple users.

Additional information
| Weight | 0.4 kg |
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Attributes
| ITEM | PARAMETER DESCRIPTION | UNIT |
| TFT series | HTM-H040A28-SPI-A01R | |
| Diagonal size | 4.0” | Inch |
| Resolution | 320x480 | Dot |
| Dimensions | 61.0x108.0x5.4 | mm |
| Active area (AA) | 55.68x83.52 | mm |
| LCD type | 4.0” TFT Module | mm |
| Display viewing angle | Full View | |
| Aspect ratio | 2:3 | |
| Backlight type | LED white | |
| TFT driver IC | ST7365 | |
| Brightness | 300cd/m2 | cd/m2 |
| Operating temperature | -20~70℃ | ℃ |
| Storage temperature | -30~80℃ | ℃ |














