It's very simple, but nobody teaches it right...
1 - Open Waze App in your smartphone
2 - From the menu, chose "navigate"
3 - Insert the destination
4 - Chose complete address on the screen
5 - On the pre viewing screen, chose _ "send this location"
6 - In the lower left corner of the screen, press the icon with "the 3 dots"
7 - At the "send link by"- choose "copy link"
8 - Now, close Waze App and open your QR Code favorite App (generator)
9 - In its App QR Code, paste the link and delete all character that doesn't look like this: http://waze.to/Ir/h6gycfqj49
- only http link matters.
It's done! Simple and easy.