2.4 Inch TFT LCD Shield with ILI9341 Controller: Comprehensive Datasheet Guide by OPL

The 2.4 inch TFT LCD Shield equipped with the ILI9341 controller is a highly versatile display module widely used in embedded systems, Arduino projects, Raspberry Pi applications, and various electronic devices. As a leading provider of display solutions, OPL (website: www.opldisplaytec.com) offers this high-performance display module, designed to meet the demands of both hobbyists and industrial users. This article serves as a detailed datasheet guide, covering key specifications, hardware details, display performance, and technical support, helping you fully understand and utilize this product. For inquiries or orders, please contact OPL via email: info@opldisplay.com.

The 2.4 inch TFT LCD Shield with ILI9341 controller from OPL is a plug-and-play display module, specifically designed to be compatible with Arduino boards (such as Arduino Uno, Mega) and other microcontrollers with similar pinouts. It integrates the ILI9341 driver IC, a widely adopted controller for small-to-medium-sized TFT displays, ensuring stable performance and easy integration.

• Display Size: 2.4 inches (diagonal)
• Controller IC: ILI9341 (from Ilitek)
• Form Factor: Shield design (directly stackable on compatible microcontrollers)
• Operating Voltage: 3.3V (logic) / 5V (power input, with built-in voltage regulation)
• Interface Type: Parallel (8-bit or 16-bit, configurable via pin settings)
• Typical Applications: Industrial control panels, smart home devices, portable test instruments, DIY electronic projects, IoT device displays

The electrical parameters of the 2.4 inch TFT LCD Shield are critical for ensuring compatibility with your system and stable long-term operation. All values below are measured at a standard operating temperature of 25°C (unless otherwise specified).

• Logic Level Compatibility: TTL (3.3V)
• Input Impedance: ≥100 kΩ (for all control and data pins)
• Output Drive Capability: ≤10 mA (per pin, to avoid overloading)
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The ILI9341 controller is renowned for its ability to deliver clear, vibrant images, and OPL’s 2.4 inch TFT LCD Shield leverages this advantage to provide excellent display quality.

• Native Resolution: 320 (horizontal) × 240 (vertical) pixels (QVGA)
• Pixel Pitch: 0.19 mm × 0.19 mm
• Display Area: 48.8 mm (width) × 36.6 mm (height)
• Pixel Format Support: 16-bit RGB (65K colors), 24-bit RGB (16.7M colors, via software conversion)
• Color Depth: Up to 24 bits per pixel (BPP)
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The shield design of OPL’s 2.4 inch TFT LCD module ensures easy integration with Arduino and similar boards. Below is a detailed breakdown of the pin configuration and hardware features.

The shield uses standard Arduino pin headers, with key pins assigned as follows (configurable for 8-bit or 16-bit parallel interface):

• Built-in Voltage Regulator: Converts 5V input to 3.3V for logic and display, eliminating the need for external regulators.
• Reset Circuit: Includes a pull-up resistor on the RST pin to ensure stable startup.
• Backlight Control: A dedicated pin (LED+) allows PWM dimming (via Arduino’s analogWrite function) to adjust brightness as needed.
• ESD Protection: Key pins (data and control) are equipped with ESD protection diodes (up to ±8kV contact discharge) to enhance durability in harsh environments.

The ILI9341 controller is the core of the display module, providing a range of features to optimize display performance and flexibility. OPL’s module fully supports all standard ILI9341 functions, making it easy to program and customize.

• Display Modes: Supports normal display, partial display, and scroll display (vertical/horizontal scroll).
• Color Correction: Built-in gamma correction (configurable via registers) to ensure accurate color reproduction.
• Power Management: Multiple power-saving modes (sleep mode, deep sleep mode) to reduce current consumption in battery-powered devices.
• Rotation Support: Software-configurable display rotation (0°, 90°, 180°, 270°) to adapt to different application layouts.
• Memory Interface: 16-bit parallel interface to the display’s frame buffer, enabling fast data transfer (up to 10 MHz clock speed).

To control the ILI9341 controller, you can use popular open-source libraries, such as the Adafruit ILI9341 Library or TFT_eSPI Library (for ESP32/ESP8266). These libraries simplify tasks like initializing the display, drawing shapes, rendering text, and displaying images. OPL provides a sample code snippet (compatible with Arduino) on its website (www.opldisplaytec.com) to help you get started quickly.

The physical dimensions of the 2.4 inch TFT LCD Shield are designed to fit standard Arduino boards, ensuring compatibility with most enclosures and mounting solutions.

The 2.4 inch TFT LCD Shield from OPL is designed to operate reliably in a wide range of environmental conditions, making it suitable for both indoor and semi-outdoor applications.

OPL is committed to providing high-quality display solutions, and the 2.4 inch TFT LCD Shield with ILI9341 controller undergoes strict quality control processes to ensure reliability.

• RoHS Compliance: All materials used in the module meet RoHS 2.0 (EU Directive 2011/65/EU) standards, ensuring environmental friendliness.
• ISO 9001: OPL’s manufacturing process is certified to ISO 9001, guaranteeing consistent product quality.
• Test Standards: Each module is tested for display functionality, electrical performance, and mechanical integrity before shipment.

• Warranty Period: 12 months from the date of shipment (for defects in materials or workmanship).
• Technical Support: OPL’s engineering team provides free technical support for integration, programming, and troubleshooting. You can contact them via email: info@opldisplay.com, or visit the website (www.opldisplaytec.com) to access datasheets, sample codes, and FAQs.
• Customization Options: OPL offers customization services for the 2.4 inch TFT LCD Shield, including changes to pinout, brightness, interface type (e.g., SPI instead of parallel), and mechanical design. Contact the sales team for more details.

The 2.4 inch TFT LCD Shield with ILI9341 controller from OPL is a reliable, high-performance display module suitable for a wide range of applications. Its compatibility with Arduino and other microcontrollers, combined with the powerful features of the ILI9341 controller, makes it an ideal choice for both beginners and professionals. With strict quality control, comprehensive technical support, and customization options, OPL ensures that this module meets your specific project requirements.

For more information, to request a sample, or to place an order, please visit www.opldisplaytec.com or send an email to info@opldisplay.com. OPL’s team is ready to assist you with your display solution needs.