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A tiny protocol to stream data over QR codes in both directions at once. Each device confirms receipt of the previous chunk, so it handles interruptions smoothly. Made this for webRTC signalling and other things as part of the Folk Canvas project with @chrisshank23

Orion Reed

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294,635 görüntüleme • 1 yıl önce •via X (Twitter)

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Wow! Send A File By Just The Camera! A vibe coder used AI to build a file transfer system that sends data between two phones using only a screen and a camera. One phone displays a new type of animated QR codes while the other scans them to rebuild the file, with no Wi-Fi, Bluetooth, or cables needed. It is fully optical and local. The system uses fountain codes that create each QR frame as a random mix of file data. This keeps transfers working even if some frames are missed, reaching speeds of about 129 KB/s for a 2 MB image. The entire project was built in one night and released as open source. The idea came from a music project where the developer wanted to share MP3 files without streaming or using the same network. Animated QR codes became the solution, showing a creative new way to transfer files with everyday phone hardware. GitHub link:

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