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QR code rule (lemmy.dbzer0.com)

submitted 2 months ago by [email protected] to c/[email protected]

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[–] [email protected] 0 points 2 months ago* (last edited 2 months ago) (8 children)

Using 1,454,942 maximum size and minimum error correction QR codes in alphanumeric mode (byte mode is a lie) to store Base64-encoded binary data, you get roughly 4,687,823,124 bytes. 4.6 GB. If the cards are two-sided we get 9.2 GB.

Minimum size of Windows 11 installer image seems to be 8 GB, so it checks out!

[–] [email protected] 0 points 2 months ago (1 children)

Nice!

Though if they were double sided, there is no way we can see all these cards in the same shot. If it starts at odd numbers (i.e. #1), #3 and #4 would share the same card front and back, if it starts even (i.e. a cover graphic and #1 on the same card), #4 and #5 should share the same card front and back.

[–] [email protected] 1 points 2 months ago

Card#1, Card#1 back, Card#2, Card#2 back, etc is what you need to get 9GB out of the 1,454,492 card numbers indicated. :)

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