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Recently, you find it out many places, for example, snack packages, plastic bottle’s labels, | Recently, you find it out many places, for example, snack packages, plastic bottle’s labels, | ||
a scientific paper and much more. | a scientific paper and much more. | ||
There are from version 1 to version 40, and we use version 1. It is simple in all versions. | There are from version 1 to version 40, and we use version 1. It is simple in all versions. | ||
This is made of 21 cells × 21 cells. It can contain 25 alphabets and Numbers. | This is made of 21 cells × 21 cells. It can contain 25 alphabets and Numbers. | ||
[[Image:Pfig3.png|center|150px]]<br><br> | [[Image:Pfig3.png|center|150px]]<br><br> | ||
It has information correction. So, if the design is little wrong, it can be scanned. | It has information correction. So, if the design is a little wrong, it can be scanned. | ||
The max version can scan QR code lacked 30% of information! | The max version can scan QR code lacked 30% of information! | ||
[[Image:Pfig4.png|center|400px]] | [[Image:Pfig4.png|center|400px]] |
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