Dual-Link QR Code Generator(dualqrcode.com)

53 points by redbell 1 year ago | 15 comments

Dithered QR Codes(andrewt.net)

337 points by jmusall 2 months ago | 37 comments

A personal web page explaining how to make dithered QR codes that embed a picture, with a generator tool and source code.

I am retiring from fulltime writing (& pseudonymity) to launch Guardian Angel(twitter.com)

274 points by mattsterett 2 months ago | 178 comments

Decoding small QR codes by hand (2012)(blog.qartis.com)

274 points by terryds 3 years ago | 62 comments

Show HN: QR code renderer in a TrueType font(qr.jim.sh)

62 points by foodevl 4 months ago | 12 comments

Show HN: New visual language for teaching kids to code(pickcode.io)

389 points by csmeyer 2 years ago | 156 comments

Landing page for Pickcode, a structured visual programming language and editor for teaching kids aged 10-14 to code, with tutorials and courses.