What to put behind the code
The public watch URL for the exact tutorial, with captions where possible.
Print for the place it will live
Starting size: 3 × 3 cm. This is a starting point, not a scanning guarantee. Test close to the product under normal room lighting.
Keep the panel matte and outside areas likely to get wet or worn. Keep the four-module quiet zone intact and use dark modules on a light background. Read the print-size guide.
Where to place it
- Assembly sheet
- Workshop sign
- Product demonstration stand
Mistakes to avoid
- Linking to a private upload
- Relying on audio for essential instructions
- Removing written safety steps
Before committing to a print run
Print a proof on the final material. Scan it with more than one phone, from the normal viewing position. Check the opened destination while signed out and confirm it leads to the intended page or action. A readable fallback address or contact detail helps visitors who cannot scan.