Barcodes are about to go extinct(thehustle.co)
61 points by rmason | 92 comments
The Hustle article by Katherine Laidlaw explaining why traditional UPC barcodes are about to be phased out in retail.
#qr-codes on Hacker News
11 stories tagged qr-codes, newest first.
QR Codes That Route to the Appropriate App Store(matthuggins.com)
10 points by matthuggins | 6 comments
A blog post explaining how to build QR codes that redirect users to the iOS App Store or Google Play based on their device, using TypeScript and Node.js.
Dithered QR Codes(andrewt.net)
337 points by jmusall | 37 comments
A personal web page explaining how to make dithered QR codes that embed a picture, with a generator tool and source code.
A QR code that sends you to a different destination – lenticular and adversarial(mstdn.social)
512 points by zdw | 71 comments
A Mastodon post showing a QR code that resolves to different destinations depending on viewing angle or scanner, using lenticular and adversarial techniques.
Show HN: qrframe – generate beautiful qr codes with javascript code(github.com)
368 points by zhengkyl | 57 comments
GitHub repository for qrframe, a code-based QR code generator using a Rust/wasm core with editable JavaScript rendering to SVG or canvas.
What's inside the QR code menu at this cafe?(peabee.substack.com)
418 points by captn3m0 | 256 comments
A Substack post investigating a cafe's QR code ordering website that collected names and WhatsApp numbers, exploring what data and security issues it exposed.
10 > 64, in QR Codes(huonw.github.io)
318 points by yvan | 70 comments
Blog post by Huon Wilson explaining why decimal-encoded data stores more efficiently than base64 in QR codes thanks to the QR Numeric mode.
Reading QR codes without a computer(qr.blinry.org)
593 points by input_sh | 82 comments
An interactive explainer, written for a 37C3 workshop, teaching the anatomy of QR codes and how to decode them by hand using a cheat sheet.
How to make a QR code with Stable Diffusion(stable-diffusion-art.com)
338 points by andrewon | 65 comments
A tutorial from Stable Diffusion Art explaining how to generate artistic, scannable QR codes using Stable Diffusion.
Redditor creates working anime QR codes using Stable Diffusion(arstechnica.com)
516 points by samizdis | 76 comments
Ars Technica article about a Redditor using Stable Diffusion to generate anime-style images that still scan as working QR codes.
Show HN: I open sourced the QR designer from my failed startup(github.com)
624 points by koch | 68 comments
GitHub repository for an MIT-licensed QR code designer web app that lets users place arbitrary designs in QR codes without relying on error correction.