QR code ( Quick Response code ) was invented in Japan about 1994.
There are Static, Dynamic and Deep Link.
They may contain text, url and more info.
Static: we cannot update the url ( the link to a website ) . We must make a new QR
Dynamic: the url is updatable
Deep Link: automatic goes to a website after scanning
We can use languages as Python, Javascript and others
Positions marker:
The QR code reader uses them to identify and orient the image for scanning.
Aligment:
This detects curvature or distortion to the code.
TRY this QR:
