Easily copy text from your pc to your smartphone (linux)

out

  1. Get qrencode. It’s in a lot of repositories.
  2. In a terminal (http://project-hardware.net is just a text example) 
     echo "http://project-hardware.net" | qrencode -o out.png
  3. Open out.png with an image viewer and scan it with your barcode scanner on your smartphone
  4. Done.

Fully sufficient for small texts. For storage limits take a look at: https://en.wikipedia.org/wiki/QR_code#Storage