Turn a dead TWS earbud into a DIY Bluetooth data module for microcontrollers.
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Aug 27, 2026 - C++
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audio-modem
Here are 6 public repositories matching this topic...
Highspeed Soundcard IP Modem that turns two PCs' soundcards into a point-to-point network link. It modulates IP packets onto audio with OFDM (DMT), bonds the left and right stereo channels into two parallel lanes, protects everything with Reed-Solomon FEC and an ARQ with fast retransmit.
python numpy ham-radio tcp-ip software-defined-radio hamradio ofdm qam dmt packet-radio qam-modulation qam-demodulation ofdm-modem audio-modem soundcard-modem ip-over-audio
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Jun 12, 2026 - Python
The first easy to use Internet of sounds. Audio-communication-network html modem. Turn your sound card into a network adapter. Analog packet radio acoustic internet build for off-grid telecomunication. DTMF+Cyrinx+TTY+4FSK+2FSK+SSTV PD290+ggwave and revolutionary helscreiber video stream all in one html ready to deploy. (Encryption is optional)
ham-radio amateur-radio web-audio-api sstv data-over-sound mesh-networking 4fsk ggwave 2fsk audio-modem emergency-communications off-grid-communication acoustic-networking browser-modem sound-card-modem pd290 email-over-radio audio-data-transfer video-audio-streaming
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Sep 8, 2026 - HTML
Open-source audio data modem for text and files over speakers, cables, radios, Bluetooth audio routes and WAV.
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Aug 20, 2026 - Dart
Acoustic transport binding for the Machine Contact Layer (MCL): an FSK audio modem for machine-to-machine first contact over speaker and microphone, no network needed.
iot robotics offline-first dsp esp32 c99 fsk embedded-c device-discovery machine-to-machine data-over-sound audio-modem acoustic-communication machine-contact-layer
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Sep 13, 2026 - C
Open-source numbers-station project for research, education and study: customizable number dictionaries, live minimodem FSK chat/files, microphone RX, speaker TX and audio calibration on Linux/macOS.
macos linux chat education research sdl2 ham-radio amateur-radio calibration file-transfer digital-signal-processing fsk ita2 baudot number-station numbers-station minimodem audio-modem emergency-communications offline-communication
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Sep 13, 2026 - Python
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