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how to read QR codes by hand (and make bad ones that work)
Noel Friedrich
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Computer Science
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first found Oct 14, 2026 · last mentioned Oct 20, 2026
12
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2
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How to read QR codes by hand (and make bad ones that work) [video]
▲ 3 points
story by sandebert
Oct 14, 2026
Read on HN ↗
How to read QR codes by hand (and make bad ones that work) [video]
▲ 1 points
story by gregsadetsky
Oct 20, 2026
Read on HN ↗
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