QRLynx Blog
QR Code Guides, Tips & Best Practices
Ahmad TayyemGS1 Digital Link QR Codes Explained: Sunrise 2027 Guide
What is GS1 Digital Link? How one QR code works at POS and smartphones. Complete guide to the Sunrise 2027 mandate for retail and product packaging.
Ahmad TayyemQR Code Payment Methods Compared: Fees, Setup & Systems
QR code payment systems compared: PayPal, Venmo, Pix, UPI, WeChat Pay, Alipay + 6 more. Merchant fees, setup speed, regional availability (2026).
Ahmad Tayyem10+ QR Code Campaign Examples from Real Brands (2026)
Real QR code marketing campaigns from Coinbase, Coca-Cola, Starbucks, Nike, and more. What worked, why, and how to apply these strategies.
Ahmad TayyemHistory of QR Codes: 1994 to 2026 Complete Timeline
The complete history of QR codes from Masahiro Hara invention at DENSO WAVE in 1994 to the $13B industry of 2026. Timeline, key milestones, and what is next.
Ahmad TayyemQR Codes from Google Sheets & Excel: Bulk Guide (2026)
Bulk-generate QR codes from Google Sheets & Excel: IMAGE formula, add-ons, and dedicated tools compared. Workflows for 10–1000 codes (2026 guide).
Ahmad TayyemFree QR Code Attendance Tracker — Check-In (2026)
Free QR code attendance tracker for classrooms, offices, and events. Works with Google Forms / Sheets, no app required. Step-by-step setup + templates.
Ahmad TayyemHow to Create a QR Code for Any URL or Link (Free, 2026)
How to create a QR code for any URL in 2026. Free static & dynamic options, customization, tracking, and best practices. Step-by-step + comparison.
Ahmad TayyemHow to Create a QR Code for Google Forms (Free)
Create a free QR code for any Google Form in 2 minutes. Covers event sign-ups, feedback surveys, student forms, and volunteer lists. Step-by-step.
Ahmad TayyemQR Code Scams & Quishing — 4-Step Verify Checklist
QR code scams (quishing) are up in 2026. How the top 5 scams work — parking meters, fake menus, phishing — plus a 4-step verify checklist.