How QR codes work
Chapter 1
The board game inspiration
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Chapter 2
Anatomy of the square
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Chapter 3
The magic of error correction
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Chapter 4
From factory floor to global daily life
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YOUR GOAL
Master of How QR codes work
Ch 1 · The board game inspiration
Fun Fact
Go board origins: Masahiro Hara designed the QR code grid in 1994 using layout concepts from the ancient strategy game Go.
Glossary
go (noun)
A strategic board game of territory played with black and white stones on a gridded board. In 1994, engineer Masahiro Hara used the game's grid structure to develop the first QR code.
A strategic board game of territory played with black and white stones on a gridded board. In 1994, engineer Masahiro Hara used the game's grid structure to develop the first QR code.
Quiz
How many characters could a standard 1D barcode typically hold before QR codes were invented?