That's too convenient, cameras can read many qr codes at a time. Encode the bina... | Hacker News

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newswasboring 34 days ago | parent | context | favorite | on: Devices with GrapheneOS support should be availabl...

That's too convenient, cameras can read many qr codes at a time. Encode the binary on some punch cards.

eptcyka 34 days ago [–]

Pretty sure cameras can be used to read punchcards too.

alex_suzuki 34 days ago | [–]

This sounds like a fun project. Somebody already did it, apparently: https://hackaday.com/2012/07/30/reading-punch-cards-with-an-...

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