에 의해 작성된 Peter Nikolow
1. A QR code (abbreviated from Quick Response code) is a specific matrix barcode (or two-dimensional code) that is readable by dedicated QR barcode readers and camera telephones.
2. The code consists of black modules arranged in a square pattern on a white background.
3. ★ This version fixes all known issues from previous versions.
4. The information encoded may be text, URL, or other data.
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