@[email protected]MB to

Hacker [email protected]English • 11 months ago

Higher error correction makes scanning undamaged QR codes less reliable

huonw.github.io

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Higher error correction makes scanning undamaged QR codes less reliable

huonw.github.io

@[email protected]MB to

Hacker [email protected]English • 11 months ago

6

QR error correction helps and hinders scanning

huonw.github.io

A QR code can use one of four error correction levels. Higher error correction forces denser codes, but allows scanning in more situations. A trade-off!

There is a discussion on Hacker News, but feel free to comment here as well.

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@SuddenlyBlowGreen
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1•11 months ago
They’re pretty useful for sharing wifi logins in person for smartphones, for example.