haxor@derp.fooMB to

Hacker News@derp.fooEnglish · 11 months ago

Higher error correction makes scanning undamaged QR codes less reliable

huonw.github.io

6

43

Higher error correction makes scanning undamaged QR codes less reliable

huonw.github.io

haxor@derp.fooMB to

Hacker News@derp.fooEnglish · 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@lemmy.world
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11 months ago
They’re pretty useful for sharing wifi logins in person for smartphones, for example.

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