Articles
Guides for the people who use QR codes in their work, written from the rules and the facts.
- QR code not scanning? Why, how to fix it, and how big to print itPrinted too small, low contrast, no margin, a logo too big, too much data, glare and damage: each cause with its fix, and a calculator for the minimum print size at any distance.
- Do QR codes expire? What can stop one, and how to avoid itStatic and dynamic codes, why so many “free” QR codes stop working after a few days, and what to do when a printed code no longer opens.
- Ingredients and nutrition on wine labels: the EU rules, explainedWhat has to be on the bottle since December 2023, what can go behind a QR code, and how to get the ingredient list and the nutrition values right. For wine producers, from the regulations and the official guidance.