Another interesting effect: If you have a version 1 code (the smallest size), th...

		matharmin on Sept 29, 2021 \| parent \| context \| favorite \| on: QR error correction helps and hinders scanning Another interesting effect: If you have a version 1 code (the smallest size), there is no "alignment" block in the lower-right corner - only the main three positional blocks. Some scanning algorithms (such as the popular zxing library) struggle with this, and it actually works better to use a version 2 code.

Cool, nice tip.