Qr code reader from image5/26/2023 ![]() ![]() Scan the QR code to test its functionality at-and near-the 10:1 distance ratio. QR codes are good at accommodating scanning distances near the optimal ratio, though. For example, if the QR code is 2” wide, the optimal scanning distance is 20” away. The optimal scanning distance from a QR code is a 10:1 ratio of distance to width.
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