It seems like only yesterday we covered a project using QR codes to archive data on paper (OK, it was last Thursday), so here’s another way to do it, this time with a dedicated codec using th… ...

That piece of paper is now your backup. Naturally, qr-backup works in reverse, too. You can use a scanner or webcam to recover your files from the printed page.

They must have the data. There are no easy solutions here, but what’s the alternative? Keep the data on paper? For manufacturers, technology is required to make the data useful.