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airgap-setup

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Asmithcodes / Transmit-via-Sound

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A browser-based acoustic data link for air-gapped, peer-to-peer transmission using device audio hardware. Built with React and the Web Audio API, it encodes text and files into 8-FSK audio signals to transmit data wirelessly over sound waves. Features a custom FSK protocol, CRC32 verification, and a distinctive vintage signal intelligence UI.

data receiver sound acoustic transmitter fsk wireless-communication encoding-decoding airgap-setup
  • Updated Feb 23, 2026
  • TypeScript

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