How QR Codes Are Built
35:13
I built a QR code with my bare hands to see how it works
20:03
Can you fit a whole game into a QR code?
18:47
How are Images Compressed? [46MB ↘↘ 4.07MB] JPEG In Depth
14:44
The Math behind QR code, what happens inside there?
3:28
Tutorial // How to make your own QR Codes // Modern Memory Keeping
9:49
How to Decode a QR Code by Hand
33:32
¿Cómo funcionan los códigos QR? (Construí uno yo mismo para averiguarlo)
21:35