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A comment on Show HN: Print a WiFi Login Card. Parent comment

Re:Show HN: Print a WiFi Login Card by derN3rd on Monday June 01, 2020 @03:05AM (#23376000)
But that would cost you battery all the time, while the e paper would just need power to update the qr code
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Re:Show HN: Print a WiFi Login Card by quickthrower2 on Monday June 01, 2020 @07:46PM (#23385478)
Good point. Dig out that old kindle!
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