Hacker News with Generative AI: QR Codes

Show HN: An interactive demo of QR codes' error correction (qris.cool)
Every QR code has built-in error correction. This means that they can still be scanned even if they are damaged, like when a corner is covered or torn off, or when they get drawn on.

QR Codes, Error Correction, Interactive Demo, Programming

13 points by Xiione 16 hours ago | 2 comments

Show HN: I made a Doom-like game fit inside a QR code (github.com/Kuberwastaken)
The Backdooms is a compressed, self-extracting and infinitely generating HTML game inspired by DOOM 1993 and The Backrooms that can be launched and played in a web browser directly from a QR code.

Games, Web Development, Creative Projects, QR Codes

530 points by kuberwastaken 7 days ago | 136 comments

Paper: QR code menus diminish customer loyalty (compared to traditional menus) (sciencedirect.com)
The adoption of digital menus accessed through quick response (QR) codes has witnessed a notable upsurge.

QR Codes, Customer Loyalty, Food Industry, Restaurant Technology, Research

3 points by m463 45 days ago | 0 comments

Why are QR Codes with capital letters smaller than QR codes with lower case? (shkspr.mobi)
Take a look at these two QR codes. Scan them if you like, I promise there's nothing dodgy in them.

QR Codes, Design, Technology

319 points by todsacerdoti 62 days ago | 123 comments

Show HN: Embedding WebAssembly in QR Codes (strich.io)
QR codes normally contain URLs which are opened in a web browser, but there’s nothing stopping you from putting something else in there. For reasons I do not fully understand, I’ve decided to embed WebAssembly in a QR code.

QR Codes, WebAssembly, Programming, Security

7 points by alex_suzuki 79 days ago | 1 comments

Dual-Link QR Code Generator (dualqrcode.com)

QR Codes, Web Development, Tools

75 points by redbell 90 days ago | 19 comments

A QR code that sends you to a different destination – lenticular and adversarial (mstdn.social)

QR Codes, Optical Illusions, Security, Computer Vision

546 points by zdw 92 days ago | 76 comments

I built a QR code with my bare hands to see how it works [video] (youtube.com)

QR Codes, DIY, Video, Technology

9 points by ColinWright 101 days ago | 1 comments

I developed Dynamic QR code generator with analytics (989tools.com)
Create dynamic QR codes and unlock comprehensive insights. Track scans, analyze user behavior, and optimize your campaigns with real-time analytics.

QR Codes, Analytics, Marketing, Tools

6 points by nookeshkarri7 143 days ago | 6 comments

Show HN: SurveyMoji – An easy way to get realtime feedback with a link/QR code (surveymoji.com)
Emoji surveys are a quick way to get feedback from your audience during a video call or conference.

Surveys, Feedback, QR Codes, Video Conferencing, Tools

16 points by zoidb 147 days ago | 6 comments

Creating a QR Code step by step (nayuki.io)

QR Codes, Programming, Tutorials

247 points by D4Ha 159 days ago | 46 comments

Show HN: I built an app to use a QR code as my doorbell (dingdongdoorbell.com)
Ding Dong Doorbell offers a versatile digital doorbell for every entrance.

DIY, Hardware, Smart Home, Web Development, QR Codes

140 points by dirkc 179 days ago | 231 comments

Banks and regulators warn of rise in 'quishing' QR code scams (ft.com)
Banks and regulators warn of rise in ‘quishing’ QR code scams

Cybersecurity, Scams, Financial Technology, QR Codes

4 points by marban 180 days ago | 1 comments

Hand-crafting a QR code using Checker Board and Stones [Veritasium] [video] (youtube.com)

QR Codes, Creative Projects, DIY, Art, Video

9 points by vishnuharidas 206 days ago | 2 comments

Show HN: QRCode.fun – Beautiful QR Code Generator (qrcode.fun)
Create custom QR codes for free. Generate QR codes easily in seconds.

QR Codes, Web Development, Tools

16 points by reverie-studio 207 days ago | 4 comments

Show HN: qrframe – generate beautiful qr codes with javascript code (github.com/zhengkyl)
code-based qr code generator

JavaScript, QR Codes, Code Generation, Open Source, Show HN

401 points by zhengkyl 207 days ago | 79 comments

What's inside the QR code menu at this cafe? (peabee.substack.com)
A few days ago, I went to a cafe near my home. I sat down and scanned the QR code on the table. It took me to a website displaying the cafe's menu. It asked me for my name and Whatsapp mobile number. I entered the details and placed the order.

QR Codes, Mobile Payments, User Experience

464 points by captn3m0 215 days ago | 317 comments

Flipbook – Animated QR Codes (github.com/cereallarceny)
Flipbook is a superset of QR codes that allows for infinitely sized payloads. Download apps, rich-text, and more without the need for an internet connection.

QR Codes, Mobile Apps, Offline Content, Open Source

35 points by cereallarceny 228 days ago | 14 comments

QR Code generator library (Java, TypeScript, Python, Rust, C++, and C) (nayuki.io)

QR Codes, Programming Languages, Libraries

5 points by nabla9 238 days ago | 0 comments

Linux 6.12 to Optionally Display a QR Code During Kernel Panics (phoronix.com)

Linux, Operating Systems, Kernel, QR Codes

27 points by LinuxBender 240 days ago | 3 comments

Slingcode – App platform in a single HTML file, QR-code transmittable apps (slingcode.net)

Web Development, Mobile Apps, Software, QR Codes

121 points by meiraleal 263 days ago | 20 comments

Show HN: QRaro, store binary data into QR Codes and retrieve it later (github.com/tcsenpai)