Cheap Yellow Display Video Player (ESP32-2432S028)

Youtube Tutorial

⚠️ Make sure you have the board model ESP32-2432S028 with the ILI9341 Display controller — not the ST7789 (parallel) controller, which isn't supported by the graphic library GFX Library for Arduino

🎬 How to Use These FFmpeg Commands

Each of the following commands generates a .mjpeg file — a Motion JPEG video format — from an input .mp4 or .mov video, optimized for use in frame-by-frame playback with an SD card reader.

Make sure you have FFmpeg installed and accessible from your terminal or command prompt.

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Convert video of 16:9 (horizontal) to aspect ratio to 4:3

ffmpeg -y -i input.mp4 -pix_fmt yuvj420p -q:v 7 -vf "transpose=1,fps=24,scale=-1:320:flags=lanczos" output.mjpeg

Convert video of 9:16 (vertical) to aspect ratio to 3:4

ffmpeg -y -i input.mp4 -pix_fmt yuvj420p -q:v 7 -vf "fps=24,scale=-1:320:flags=lanczos" output.mjpeg

Command for a horizontal video already of aspect ratio 4:3

ffmpeg -y -i cropped_4x3.mp4 -pix_fmt yuvj420p -q:v 7 -vf "transpose=1,fps=24,scale=240:320:flags=lanczos" final_240x320.mjpeg

Command for a vertical video already of aspect ratio 3:4

ffmpeg -y -i cropped.mp4 -pix_fmt yuvj420p -q:v 7 -vf "fps=24,scale=240:320:flags=lanczos" scaled.mjpeg

Options explained

• -pix_fmt yuvj420p: Ensures JPEG-compatible pixel format
• -q:v 7: Controls image quality (lower is better; 1 = best, 31 = worst)
• -vf: Specifies the video filters:
• fps=24: Extracts 24 frames per second
• scale: Resizes the video
• transpose=1: Rotates the video 90° clockwise
• .mjpeg: Output format used when streaming or storing a series of JPEG frames as a video