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Hand-Drawing a QR Code on a Grid Sticky-Note Pad

By

Seth Michael Larson

26d ago· 3 min readen

Summary

The author describes their love for QR codes and a creative project to hand-draw one on a sticky-note pad with a 10x10 grid. They explain the technical constraints of Version 1 QR codes (21x21 pixels, up to 17 bytes of URL data) and how they had to improvise because their website URL (sethmlarson.dev) is 23 bytes long. The article blends personal enthusiasm for QR codes with technical details about their structure and limitations.

Key quotes

· 3 pulled
I really like QR codes.
The smallest QR code (besides micro QR codes) is 'version 1' which uses 21x21 pixels.
Unfortunately https://sethmlarson.dev is 23 bytes long, so I'll have to improvise.
Snippet from the RSS feed
I really like QR codes. Recently I purchased a new sticky-note-like pad from a new local stationery store in Minneapolis. The sheets have a 10x10 grid and 2x10 grid. I knew what I wanted to...

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