Getting 24 FPS on a 240x320 ILI9341 is already impressive given the hardware constraints. To go faster, you might want to look into optimizing the DMA transfers further or reducing the overhead in how the data is being fetched from the SD card. Using an SPI SD card module with higher speeds, if supported, could also help squeeze out a bit more performance.
If you’re documenting your project and working with visuals or screenshots, converting image formats like NEF might come in handy. Here’s a tool that could help: https://www.movavi.com/image-converter/nef-converter.html. Good luck with your project—would love to see how far you can push it!
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