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Making a Custom Bootscreen
To make a custom bootscreen there are 5 requirements:
- The file format must be JPEG.
- Progressive must be tuned off in the export settings (under "Advanced" in GIMP).
- The Sub-sampling format must be chroma quartered (4:2:0) (also under "Advanced" in GIMP).
- The resolution must be 480x272.
Note
The left side of the image will be the top. You can compose the image oriented upright as 272x480, but it must be rotated prior to export. (Rotating during export only applies a "rotation" attribute that won't be parsed by DWIN DACAI.)
- For DACAI the file must be named "
0
" and placed inprivate/image
. For DWIN the file must be named "0_start
" and placed inDWIN_SET
.
After replacing the Bootscreen follow the usual screen flashing instructions.