Generic 3.5″ Touchscreen LCD Raspberry Pi Display | SPI Interface | Resistive Touch Control
₹1,199.00₹1,500.00 (price_including_tax) (-20%)
Compact and vibrant, this 3.5-inch touchscreen LCD empowers direct interaction with your Raspberry Pi. Transform your embedded projects into intuitive, interactive devices with a responsive display. Engineered for seamless integration and reliable performance in diverse DIY applications.
Compact, high-resolution display for Raspberry Pi projects, offering responsive resistive touch and broad OS compatibility.
Seamlessly mounts onto Raspberry Pi GPIO, creating a compact and fully interactive portable system.
Enables intuitive user interaction directly on screen, enhancing accessibility for all your projects.
Adjust screen brightness programmatically, optimizing power consumption and visual comfort efficiently.
The Engineering Behind the 3.5″ Raspberry Pi Touchscreen LCD
This 3.5-inch touchscreen LCD, engineered for direct integration with Raspberry Pi single-board computers, provides a compact yet robust human-machine interface. Utilizing an SPI bus for display data and a dedicated touch controller (commonly XPT2046) via SPI for touch input, it minimizes GPIO usage while maximizing data transfer efficiency. Its architecture facilitates both graphical output and interactive control within resource-constrained embedded systems.
Constructed with a high-grade TFT panel, this display ensures excellent clarity and color reproduction crucial for diverse applications, from portable testing equipment to educational robotics. The durable resistive touch layer offers reliable input even in challenging environments, making it ideal for field deployments and iterative prototyping cycles.
High-Speed SPI Communication Protocol
The display leverages the Serial Peripheral Interface (SPI) for data transmission, enabling rapid refresh rates and efficient bandwidth utilization. This synchronous serial data link ensures stable communication with the Raspberry Pi’s GPIO, facilitating smooth UI rendering and responsive feedback without burdening the host processor excessively, a critical factor in real-time embedded systems.
Integrated Resistive Touch Controller
Featuring an onboard resistive touch controller, this module translates physical touch coordinates into digital signals accessible by the Raspberry Pi. This integration simplifies system design by consolidating display and input functionalities, providing a robust, cost-effective, and highly reliable touch interface suitable for menu navigation, data entry, and interactive visual feedback across various operating systems.
Optimized for Performance & Integration
- Screen Size: 3.5 inches
- Resolution: 480×320 pixels
- Display Interface: SPI (Serial Peripheral Interface)
- Touch Controller: XPT2046 (SPI)
- Backlight: LED, software controllable
- Compatibility: Raspberry Pi B+/2B/3B/3B+/4B
- Viewing Angle: Wide viewing angles
- Power Consumption: ~100mA @ 5V typical
Features & Benefits
- 3.5-Inch Compact Display: Offers ample visual area for embedded UIs without excessive bulk.
- 480×320 High Resolution: Delivers crisp graphics and clear text for detailed project feedback.
- Resistive Touch Screen: Provides reliable and accurate finger or stylus input, ideal for industrial or educational use.
- SPI Interface Connectivity: Minimizes GPIO pins required, leaving more resources for other peripherals.
- Broad Raspberry Pi Compatibility: Ensures seamless integration with most modern Raspberry Pi models for immediate use.
- Integrated Touch Controller: Simplifies setup and reduces component count for streamlined project development.
Pro-Grade Advantages
- Low-cost, high-utility HMI for Raspberry Pi.
- Resistive touch offers superior durability in harsh conditions.
- SPI interface conserves precious GPIOs for other sensors.
- Driver support readily available for major Raspberry Pi OS distributions.
Technical Considerations
- SPI bandwidth can limit extreme video frame rates.
- Resistive touch lacks multi-touch capabilities of capacitive screens.
What Raspberry Pi models are compatible with this 3.5-inch display?
This display is compatible with Raspberry Pi B+, 2B, 3B, 3B+, and 4B models, connecting directly via the 40-pin GPIO header.
How does the SPI interface affect display performance and setup?
The SPI interface offers efficient data transfer for the display and touch functions. It requires specific driver installation, but then provides responsive graphical output and touch input.
Is the resistive touch screen suitable for precise input, and does it support multi-touch?
The resistive touch screen provides good precision with a stylus or single finger. It is a single-touch interface and does not support multi-touch gestures like pinch-to-zoom.
What is the typical power consumption of this LCD module?
The display typically consumes around 100mA at 5V, depending on backlight brightness settings, making it efficient for portable and battery-powered projects.
Are drivers and documentation readily available for this Raspberry Pi display?
Yes, comprehensive driver packages and setup guides are widely available for various Raspberry Pi operating systems, simplifying the integration process.
| Specification | Value |
|---|---|
| Screen Diagonal | 3.5 inches |
| Resolution | 480 x 320 pixels |
| Display Type | TFT LCD |
| Touch Type | Resistive |
| Display Controller | ILI9486 (typical) |
| Touch Controller | XPT2046 (typical) |
| Interface Protocol | SPI |
| Input Voltage | 5V DC (via Raspberry Pi GPIO) |
| Backlight Control | PWM (Software) |
| Mounting | Partial 40-pin Raspberry Pi GPIO Header |
| Operating Temperature | -20°C to +70°C |
| Typical Current Draw | ~100mA |
Additional information
| Weight | 0.03 kg |
|---|---|
| Dimensions | 8.5 × 5.5 × 1.5 cm |
| Brand | Generic |
| Technology | TFT LCD with Resistive Touch |
| Operating Voltage | 5V |
| Control Interface | SPI |
| Sensor Type | Resistive Touch |
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