Waveshare 6inch e-Paper HAT User Manual page 14

6inch e-Paper HAT User Manual
3) Click Image -> Convert to ->Gray256(8 BPP)
4) Click File ->Save As... ->Choose "C" bitmap file (*.c) -> input file name and click Save.
5) Choose 8 bit per pixel, click OK. A C file will be saved to your PC
6) Add the C file to keil project, detect unusable information
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