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welcome to another episode of James explains where today weamp;#39;ll take a look at QR codes and how theyamp;#39;re formed QR codes are formed with the 2d array of pixels which are one color to represent zero or a contrasting color to represent one they can range from version 1 which is 21 by 21 pixels which weamp;#39;re looking at in this video up to version 4 T which is 177 by 177 pixels one of the easiest ways to identify a QR code is the distinctive pattern in the corners these patterns are the same size and occur on QR codes of any size and are used when reading the QR code to detect the position and rotation of the code larger versions also include smaller alignment structures however the version 1 code we were looking at here does not include any of these the next structure that occurs on all QR codes is the timing structure this pattern aligns with the edge of the outer positioning squares and alternates between the two colors of the code at a size of 1 pixel this allows th
