https://www.technicalsourcery.net/tags/structured-data/Recent content in structured-data on 🪄 Technical SourceryHugo -- gohugo.ioenCopyright © 2018-{year} Karl Stenerud. All Rights Reserved.Thu, 06 Jan 2022 13:10:21 +0200https://www.technicalsourcery.net/posts/qr-superpowers/Thu, 06 Jan 2022 13:10:21 +0200https://www.technicalsourcery.net/posts/qr-superpowers/QR codes are popular because they can store more information than bar codes, but they can’t store binary data and have no inherent structure. In this post, I’ll show how to overcome these limitations and give QR codes superpowers! QR Codes and Their Limitations QR codes were invented by the Japanese company Denso Wave in the mid-90s as a way to get higher information density in machine-readable optical labels. They support a number of encoding methods including numeric digits, alphanumerics, kanji, and raw text.