Show HN: An interactive demo of QR codes' error correction
(qris.cool)
Every QR code has built-in error correction. This means that they can still be scanned even if they are damaged, like when a corner is covered or torn off, or when they get drawn on.
Every QR code has built-in error correction. This means that they can still be scanned even if they are damaged, like when a corner is covered or torn off, or when they get drawn on.