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by buildsjets
812 days ago
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I need to re-run the math based on this info, but a while back, I wanted to figure out the maximum density of QR codes that could be reliably printed on a sheet of plain paper with a laser printer, then optically scanned and re-digitized. I recall the answer was about the same as a double-density 5.25" floppy disk, which is 320kb. |
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Of course, pure binary (byte) encoding is best, but many systems have the constraint of text characters or non-control characters. With that constraint, alphanumeric encoding is best.
https://zamicol.com/assets/11580064.pdf