const unsigned char gImage_st7735[40960] = /* data */ ;

The most widely cited registration code for this software, shared by manufacturers like Good Display and manuals.plus , is:

Which are you using? (SPI, I2C, or Parallel) Share public link

However, the trial version of Image2Lcd imposes a strict limitation: it only converts a small portion of the image, often truncating the data or adding a watermark text overlay. To unlock the full functionality, users require a registration code. What is Image2Lcd and Why Do Developers Use It?

For full control, developers frequently use short Python scripts to automate image processing. Using the Python Imaging Library (PIL/Pillow), you can convert any image into an RGB565 hex array using less than twenty lines of code, completely bypassing the need for third-party GUI software.

“Image2Lcd is great for converting one image at a time or using batch conversion for multiple files like bin, bmp, and wbmp.” LCD Display Store

The registration code for the software is 0000-0000-0000-0000-6A3B [5]. How to Register Image2Lcd

Here are some tips and tricks to help you work with register code:

ILI9341_WriteCommand(0x2B); // PASET (Page Address Set) ILI9341_WriteData(0x00); ILI9341_WriteData(0x00); // Start page 0 ILI9341_WriteData(0x01); ILI9341_WriteData(0x3F); // End page 319

Use Photoshop, GIMP, or Paint to resize your image to the exact dimensions of your screen (e.g., 128 × 128, 320 × 240). 2. Configure Image2LCD Settings Open your image. Output Data Type: Choose C51 or C-Array.

To ensure your generated hex code works flawlessly with your display driver, configure Image2Lcd using these standard specifications:

Before dumping pixel data, you must tell the display controller exactly where the image should be placed. This requires writing to the Column Address Set (0x2A) and Page Address Set (0x2B) registers.

To make this data display correctly, you must pair the generated array with the proper display register configuration. Understanding the Image2Lcd Output