QR Codes: The nuts and bolts — from Don’t Waste Your Time blog

Excerpt:

So:

  • You see/find the code,
  • You scan the code,
  • Your phone decodes the code, and
  • Your phone displays the text, link, e

Like this …

.

See also:
Read API Materials Anywhere! QR Codes and Catalogs — Academic Programs International by Jeramy Johnson