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मूल्य सूची: Retail Price (B2C) मूल्य सूची
मूल्य सूची: Retail Price (B2C) मूल्य सूची

3.5" TFT Touch Shield for Arduino Uno - 480x320 ILI9486 Display with SD Slot

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SpecificationDetails
Screen Size3.5 Inch Diagonal
Driver ICILI9486
Resolution480 x 320 Pixels
Interface8-bit Parallel Bus
Touch Type4-wire Resistive Touch
Voltage3.3V / 5V (Built-in Level Shifter)
SD SlotIntegrated MicroSD Card Slot
Price
₹ 830.51 ₹ 830.51
(Tax included)

Product Description The 3.5 inch ILI9486 TFT Touch Shield is a high-resolution, plug-and-play display solution designed specifically for the Arduino Uno and Mega2560. Featuring a generous 480x320 pixel grid, it offers double the resolution of standard 2.8" shields, providing crisp visuals and vibrant 16-bit color depth. The integrated resistive touchscreen allows for direct user interaction, while the onboard microSD card slot makes it easy to load and display bitmap images. With its built-in level-shifting ICs, it is fully compatible with both 3.3V and 5V logic, eliminating the need for complex external wiring.

Key Features

  • Direct Shield Design: Features standard Arduino headers that plug directly onto an Uno or Mega without any jumper wires.

  • High Pixel Density: 480x320 resolution provides ample screen real estate for complex GUIs, graphs, and data dashboards.

  • Integrated Touch Control: Equipped with an XPT2046 controller for reliable resistive touch input using the included stylus.

  • Onboard SD Slot: Features a dedicated SPI-based MicroSD slot for storing UI assets, icons, and data logs.

  • Broad Compatibility: Works seamlessly with popular libraries like MCUFRIEND_kbv and Adafruit_GFX for rapid development.

Technical Details

  • Driver Optimization: The ILI9486 controller includes internal RAM buffering, offloading the display refresh tasks from the Arduino MCU.

  • Parallel Interface: Utilizes an 8-bit parallel bus for data transfer, offering significantly faster refresh rates than standard SPI displays.

  • Color Capability: Supports 18-bit (262k) and 16-bit (65k) color modes for smooth gradients and realistic image rendering.

  • Power Supply: Designed to draw power directly from the Arduino’s 5V pin; features a low-dropout regulator for stable internal 3.3V.

  • Backlight Control: The 4-LED backlight is controlled via a transistor, allowing for PWM-based brightness adjustment through software.

  • Logic Level Shifting: Onboard buffers ensure the display's 3.3V controller is protected from the Arduino's 5V signals.

  • Viewing Angle: Optimized for a 6 o'clock viewing direction with high contrast and brightness.

  • Construction: Military-grade PCB process standards ensure long-term stability and resistance to mechanical stress.

  • Library Support: Compatible with UTFT and MCUFRIEND libraries which automatically detect the ILI9486 chip ID.

  • Touch Sensitivity: The resistive overlay is sensitive enough to detect inputs from both a stylus and fingernails.

  • Compact Footprint: The PCB size of 85.5mm x 55.6mm perfectly matches the Arduino Uno's dimensions for a clean stack.

  • SD Card Interface: Independent SPI pins (D10-D13) are used for the SD card, allowing simultaneous display and data access.

  • Operating Range: Rated for stable operation between -20°C to +70°C.

  • Flexible Reset: Includes a dedicated LCD_RST pin linked to the Arduino's reset button for synchronized system startups.

  • Stylus Included: Ships with a high-quality plastic stylus to prevent scratches on the resistive film.

Prototyping and Engineering Tips from Robogears

  • 9V Battery Use: While the Arduino Uno has a 9V barrel jack, using a standard 9V alkaline battery with this shield is not recommended. The high backlight current (approx. 150mA-250mA) will drain a 9V battery in minutes. For portable use, use a regulated 9V 2A Adapter.

  • 18650 Cell: For mobile projects, use a 2S 18650 pack (7.4V - 8.4V) connected to the Arduino's VIN pin. This provides the necessary current capacity for the display and backlight without sagging the voltage.

  • IC & Capacitor Tip: If the touch response is jittery, add a 0.1uF Ceramic Capacitor between the 5V and GND pins near the shield headers. When using the MCUFRIEND_kbv library, always call tft.readID() and pass it to tft.begin(ID) to ensure the controller is initialized correctly.

  • Related Products: We recommend pairing this with our Arduino Uno R3, Arduino Mega 2560 (for more RAM), and 16GB MicroSD Cards.

Package Includes

  • 1 x 3.5 inch ILI9486 TFT Touch Shield LCD Module.

  • 1 x Resistive Touch Stylus.

Disclaimer Image is for ilastration purpose only 2-3 lines. Please ensure the pins are correctly aligned before pressing the shield onto your Arduino. Operating the shield without a stable 5V supply may lead to display flickering or white-screen issues.