// Example: 16-bit RGB565 Image Array (240x320 pixels) const unsigned char gImage_logo[153600] = 0xFF, 0xFFFF, 0x00, 0x00, 0x1F, 0xF8, // ... raw pixel bytes ; Use code with caution. Step 2: Set the Display Window Registers
is a utility/concept for converting bitmap images into byte arrays or register writes for driving small character/graphical LCDs (e.g., KS0108, ST7920, SSD1306, HD44780 with custom CGRAM). This report explains typical register-level approaches, data formats, conversion workflow, example code patterns, optimizations, and testing/debugging guidance.
You cannot convert multiple UI icons or fonts simultaneously. image2lcd register code
For , the data header has the following structure:
Most tools let you:
An open-source, flexible tool for converting images.
First, ensure your target image is pre-processed. The Image2Lcd tool can be very literal—if your image size doesn't match the LCD resolution, it might cause display issues. It's highly recommended to use an external image editor (like Photoshop or GIMP) to resize your picture to match the LCD's exact pixel dimensions (width and height). Save it as a 24-bit BMP file. This offers the best compatibility for conversion. // Example: 16-bit RGB565 Image Array (240x320 pixels)
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Standard for color TFT screens (ST7735, ILI9341). Monochrome (1-bit): Standard for OLED screens (SSD1306). First, ensure your target image is pre-processed
This powerful TFT controller is found in many 2.4" to 3.2" LCD modules.