Edit store price tags using Flipper Zero

https://github.com/i12bp8/TagTinker

Article

  • Tool for Flipper Zero that reads and rewrites electronic shelf label (ESL) tags.
  • Targets NFC/RF-based price tags used in retail stores.
  • Demonstrates security weakness in common retail infrastructure.

Discussion

  • Commenter notes displayed price must legally be honored in some countries.
  • Skepticism that Flipper Zero has any genuinely useful applications.
  • Self-checkout banana-code exploit story shared as related retail hack.

Discuss on HN


Type Link
Added Apr 21, 2026
Modified Apr 21, 2026