Crypto QR Code Generator by QRMaster
Create a crypto payment QR code in seconds - free to share.
What it does
Receiving a crypto payment should not require copying a long wallet address character by character. QRMaster’s free Crypto QR Code Generator turns a wallet address into a clean QR code that people can scan from a phone, poster, invoice, donation page, or event screen. Choose the supported crypto format, enter the wallet address, generate the code, and download it. No design software, no account required for the basic tool, and no confusing setup. Built for anyone. Try it free.
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Life & fun · 10d ago · louisabraham.github.io
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Hello HN! I found that picking out plausible but diverse skin tones for my digital art and game development projects was kind of difficult, and I got curious about if there was a way to define a color space that made it easy. I've built a color picker and procedural generation algorithm based on the space as well as a bunch of other fun js features and demos throughout the page that use the equations. If you find it interesting, I have lots of explanations of how I built it and what properties the space has. The methodology might be a bit shaky, but hopefully the result is as helpful for…
Life & fun · Aug 2026 · toneyalexander.github.io
I trained a 125M-parameter transformer to autocomplete piano performances in real time (~108 notes/sec on an iPhone 15). The idea is basically GitHub Copilot or Tabnine, except instead of prompting it with code, you prompt it by playing a few notes on a MIDI piano. The model then continues what you played, entirely on-device. The app is free if anyone wants to try it. Happy to answer questions about the model, training, Core ML, or the many things that didn't work.
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