1. Introduction and Overview
This manual provides detailed instructions for the Voktta 3.5 inch TFT LCD Module Screen Display, featuring an R61581 controller. This module is designed for seamless integration with development boards such as Arduino and Arduino Mega2560. It offers a clear 480x320 resolution display, supports 16-bit RGB 65K color, and is available with or without touch functionality. The module includes an on-board 5V/3.3V level shifting IC for broad compatibility and an SD card slot for easy experiment expansion.
The module is built to military-grade process standards, ensuring long-term stable operation.
2. Safety Information
Please handle the LCD module with care to avoid damage to the screen or electronic components. Ensure proper electrostatic discharge (ESD) precautions are taken when handling the module to prevent damage to sensitive integrated circuits. Always verify power connections and voltage levels before powering on your project to prevent electrical damage.
3. Package Contents
The package contents vary based on your selected option:
- Type A: 1 * LCD Screen with Touch Panel
- Type B: 1 * LCD Screen without Touch Panel
Note: The stylus shown in some images is typically included with touch panel versions.
4. Specifications
| Feature | Specification |
|---|---|
| Display Color | RGB 65K color |
| Screen Size | 3.5 inch |
| Type | TFT |
| Driver IC | R61581 |
| Resolution | 480*320 (Pixel) |
| Module Interface | 8-bit parallel interface |
| Active Area | 73.44*48.96(mm) |
| Module PCB Size | 85.49*55.63(mm) |
| Operating Temperature | -20℃~70℃ |
| Storage Temperature | -40℃~70℃ |
| Operating Voltage | 5V/3.3V |
| Power Consumption | TBD |
| DIY Supplies | Electrical |
| Certification | CE |
5. Setup Instructions
The driver IC for this product has been updated to R61581. Follow these steps for initial setup:
- Initial Program Burn: You must first burn the appropriate program to your Arduino or Mega2560 board.
- Module Initialization: After burning the program, power on the module and wait for it to light up.
- Source Code Update: Once the module is initialized and displaying, you can then update your source code according to your specific application.
The program file used for burning can be extracted from the following link: https://pan.baidu.com/s/1SP0DOZA8nL-kKNCfW_fnGQ. The extraction code is: n3zs.
The module is designed for plug-in use with Arduino and Mega2560 boards, eliminating the need for complex wiring. It also features an SD card slot for expanding your experiments.
An Arduino library with a rich sample program is provided to facilitate development.
6. Operating Instructions
Once the module is properly set up and programmed, you can utilize its features:
- Display Functionality: The 480x320 resolution and 65K color depth allow for clear and vibrant visual output. Use the provided Arduino library to control the display of text, graphics, and images.
- Touch Function (if applicable): For modules with a touch panel, the touch function can be integrated into your Arduino projects using the appropriate library functions (e.g., UTFT_Buttons / Utouch Library for Arduino Mega2560).
- SD Card Usage: The integrated SD card slot can be used to store and retrieve data, such as images or configuration files, for your projects. Refer to the Arduino SD library documentation for implementation details.
7. Maintenance
To ensure the longevity and optimal performance of your LCD module, follow these maintenance guidelines:
- Cleaning: Use a soft, dry, lint-free cloth to gently wipe the screen. Avoid using abrasive cleaners or solvents that could damage the display surface.
- Storage: When not in use, store the module in a dry, dust-free environment within the specified storage temperature range (-40℃~70℃).
- Handling: Always handle the module by its edges and avoid applying pressure directly to the screen.
8. Troubleshooting
If you encounter issues with your LCD module, consider the following:
- Display Not Lighting Up: Ensure the correct program has been burned to your development board as per the setup instructions. Verify all connections are secure and power supply is stable (5V/3.3V).
- Incorrect Colors or Display Artifacts: Check your source code for proper initialization and data transmission to the R61581 controller. Ensure the 8-bit parallel bus connections are correct.
- Touch Function Not Responding: For touch-enabled modules, confirm that the touch panel is correctly connected and the appropriate touch library (e.g., Utouch Library) is correctly implemented in your code.
- SD Card Issues: Verify the SD card is properly inserted and formatted. Check your code for correct SD card initialization and file operations.
If you cannot resolve the issue using the above methods or have any other problems, please contact customer service for assistance.
9. Warranty and Support
The Voktta 3.5 inch TFT LCD Module is manufactured to military-grade process standards, ensuring high quality and long-term stable operation. Technical support for the underlying driver is provided.
For any technical inquiries, troubleshooting assistance, or support needs, please contact our customer service staff. They will be able to provide guidance and solutions for your product.
10. Additional Resources
For further detailed information and documentation, you may refer to the official user manual PDF:
