3.5-Inch DSI Touchscreen for Raspberry Pi – Compact HMI Display for Industrial Prototyping

Description

Online tutorial: https://osoyoo.com/?p=58936

The OSOYOO 3.5″ DSI IPS Touchscreen represents a paradigm shift in Human-Machine Interface (HMI) development, offering industrial users an unprecedented combination of compact design, advanced functionality, and cost-effective implementation. This innovative display solution transcends the limitations of traditional HMI systems, empowering engineers and developers to create sophisticated user interfaces with remarkable ease and efficiency.

Breaking Free from Traditional HMI Constraints: Traditional industrial HMI screens have long plagued developers with complex, manufacturer-specific API requirements that demand extensive study of proprietary datasheets and programming guides. These conventional systems not only impose steep learning curves and substantial development costs but also consume valuable GPIO resources through slower, more expensive interfaces like serial ports, SPI, or I2C connections. The OSOYOO 3.5″ DSI touchscreen eliminates these barriers entirely, leveraging the power and flexibility of Raspberry Pi OS to drive the display directly through the dedicated DSI interface.
The HMI Advantage: Simplified Development, Maximum Flexibility By utilizing the robust Raspberry Pi OS ecosystem, this compact 3.5″ touchscreen transforms HMI development from a complex, costly endeavor into an accessible, streamlined process. Industrial users can now design sophisticated, interactive interfaces using familiar high-level programming languages such as Python with powerful libraries like Pygame and Tkinter. This approach dramatically reduces development time, eliminates the need for specialized training, and significantly cuts implementation costs while delivering professional-grade results.
Key HMI Benefits That Set This Solution Apart: Complete GPIO Freedom: Unlike traditional HMI devices that monopolize critical GPIO pins, the DSI interface connection preserves all Raspberry Pi GPIO pins for other essential peripherals, sensors, and actuators. This design philosophy ensures maximum system expandability and integration flexibility, allowing for comprehensive IoT and industrial automation projects without compromise.
Cost-Effective Industrial Solution:
By leveraging the open-source Raspberry Pi ecosystem, this touchscreen delivers enterprise-grade HMI functionality at a fraction of the cost of dedicated industrial panels, making advanced interface technology accessible to projects of all scales.
Rapid Development Cycle:
The familiar Python programming environment, combined with extensive libraries and community support, enables rapid prototyping and deployment of custom HMI applications, significantly reducing time-to-market for industrial solutions.
Advanced Display Technology: The 3.5-inch IPS capacitive touchscreen delivers exceptional visual quality with 800×480 pixel resolution and 170° viewing angles, ensuring clear visibility and accurate color reproduction in various industrial environments. The 60Hz refresh rate provides smooth, responsive interaction essential for real-time industrial applications.
Universal Compatibility: Fully compatible with Raspberry Pi 5, 4, 3, 2, CM3, CM3+, and CM4 boards, ensuring flexibility across different hardware platforms and easy integration into existing systems or future upgrades.
Plug-and-Play Simplicity: True plug-and-play functionality eliminates driver installation requirements, enabling immediate deployment and reducing system complexity. Simply connect the DSI cable to your Raspberry Pi, and the display is ready for use.
Industrial-Grade Reliability: Engineered with strong anti-interference capabilities, ultra-low power consumption, and automatic sleep functionality, this display is built for stable, long-term operation in challenging industrial environments
Beyond HMI: Versatile Applications for Every Project While excelling as an HMI solution, this compact touchscreen serves multiple roles across diverse applications. It’s ideal for building AI systems, smart home controllers, portable gaming devices, educational projects, and prototype development. The combination of compact form factor and full functionality makes it perfect for space-constrained installations where traditional displays would be impractical.
Quality Assurance and Certification: Backed by CE and FCC certifications, this touchscreen meets international quality and safety standards, ensuring compliance for commercial and industrial deployments. OSOYOO’s commitment to quality is further demonstrated through comprehensive technical support and continuous product improvement based on user feedback.
Customer-Proven Performance: Real-world testimonials highlight the screen’s effectiveness as an HMI solution, with users specifically praising its ease of programming with python UI developing tool  PyGame ,Tkinter etc and its suitability for industrial applications. The V3.0 upgrade addresses previous thermal concerns, demonstrating OSOYOO’s commitment to continuous improvement and customer satisfaction. Transform your industrial interface development with the OSOYOO 3.5″ DSI IPS Touchscreen – where compact design meets powerful HMI capabilities, delivering professional results without the traditional complexity and cost barriers.

Feature

1. Model version: V3.0 (Compared with V2.0 3.5inch DSI, this screen is engineered for optimal performance without overheating, even during extended use, ensuring reliability and durability for power-intensive applications)
2. Use DSI interface to connect Raspberry Pi board;
3. IPS screen
4. The refresh frequency is 60HZ;
5. Physical resolution is 800*480, 24-bit colour. 
6. 5 finger capacitive touch (but Raspbian only support 1 finger);
7. Plug and play. No driver needed.
8. Support system Raspberry Pi OS, Ubuntu, RetroPie, OctoPrint and so on;
9. Strong anti-interference;
10. Ultra-low power, ultra-long distance lossless transmission,
11. Automatically sleep;
12. viewing angle: 85, 85, 85, 85

Package includes: 

• 1x 3.5in DSI touch screen,
• 1x 15 pin to 15 pin DSI FFC Cable for Raspberry Pi 2/3/4/,
• 1x 15pin-1mm to 22pin-0.5mm DSI FPC cable for Raspberry Pi 5,
• 1x screwdriver
• 1x user guide manual 

body { font-family: Arial, sans-serif; margin: 20px; } table { border-collapse: collapse; width: 100%; border-top: 2px solid #333; border-bottom: 2px solid #333; } th, td { border: 1px solid #ccc; padding: 8px; text-align: left; } /* 加深横向边框 */ tr { border-bottom: 2px solid #666; } th { background-color: #f2f2f2; border-bottom: 3px solid #333; } table { border-collapse: collapse; width: 100%; } th, td { border: 1px solid #ccc; padding: 8px; } /* 加深横向边框 */ tr { border-bottom: 2px solid #333 !important; } .bg-light-grey { background-color: #e0e0e0 !important; } .bg-light-blue { background-color: #F0F8FF !important; } table { font-family: Arial, sans-serif; font-size: 9pt; } .custom-height { height: 45px; } /* 设置 B 到 N 列（第 2 到 14 个单元格）居中 */ tr td:nth-child(n+2):nth-child(-n+14), tr th:nth-child(n+2):nth-child(-n+14) { text-align: center; } /* 确保第一列保持左对齐 */ tr td:first-child, tr th:first-child { text-align: left; }

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