Hand Drawn QR Codes - Hacker News

Posted by jollyjerry 3 hours ago

Hand Drawn QR Codes(sethmlarson.dev)

51 points | 3 comments

larsbrinkhoff 11 minutes ago|

I hand drew this on a whiteboard. It was a lot more work than I anticipated.

http://lars.nocrew.org/tmp/qr.png

larsbrinkhoff 8 minutes ago|

By the way, I also coded a QR symbol generator in PDP-10 assembly language.

https://github.com/PDP-10/its/blob/master/src/lars/qrcode.8

keane 1 hour ago|

From the update: "Why are QR Codes with capital letters smaller than QR codes with lower-case letters?" https://shkspr.mobi/blog/2025/02/why-are-qr-codes-with-capit... (https://news.ycombinator.com/item?id=43149077)