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A comment on Show HN: A 13.3" battery-powered e-paper picture frame to display digital art. Parent comment

Re:Show HN: A 13.3" battery-powered e-paper picture frame to... by clash on Wednesday June 30, 2021 @01:39PM (#27691354)
You can't define more than 8. The API allows only 3 bit input. I also tinkered with the lookup table, and was able to create a lot of different gray shades, but I was not able to produce ~40-60% gray.
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