Public domain photos

The image shows a white surface with a ruler, a piece of paper with a QR code on it, and a few nuts scattered around. The ruler is likely used to measure the accuracy of the QR code, while the paper and nuts provide a visual representation of the data.

The image shows a white surface with a ruler, a piece of paper with a QR code on it, and a few nuts scattered around. The ruler is likely used to measure the accuracy of the QR code, while the paper and nuts provide a visual representation of the data.Open in library