fsk

Tiny data-over-sound library

Browser-based ground station suite for satellite tracking, SDR reception, hardware control, and telemetry decoding

Qt-based digital signal analyzer, using Suscan core and Sigutils DSP library

Serverless, peer-to-peer, local file sharing through sound

Description and unofficial implementation of Furby's audio protocol

Data transmission over sound waves written in JavaScript without any dependencies. All you need is just microphone, speakers and the browser!

Driver for SX126x radio

Arduino library for LoRa modules based on SX127x/RFM9x chips

ESP32 based Codec2/OPUS DV hobby UHF 3d printed handheld transceiver aka walkie-talkie

Driver for LLCC68 radio

〰️ FSK Library for iOS interface with Arduino Development

文本转无线电声音生成器与双轨 FSK 变声器，带实时二进制可视化 | Text-to-radio audio generator & dual-track FSK voice changer with real-time binary visualizers.

DIY wireless real-time datalogging platform for Student Formula and Baja.

Driver for LR11xx chip (LR1110 / LR1120 / LR1121)

Library for using a AD9833 Programmable Waveform Generator hardware by Analog Devices.

Modem based on software defined radios.

GOGUFW firmware for Quansheng UV-K1 / UV-K5 V3 with Messenger, HEARD, Range Check, CALLTX and Memory Spectrum.

Arduino UNO based telephone caller identification (CLI) display unit

Data over sound for React Native. Two phones pass bytes through the air with no network, no pairing and no account - a Nitro module wrapping ggwave, with the audio layer it doesn't have.

Driver for LR1110 radio