The Chirp Explorer Board, a first for data-over-sound.

https://www.electronics-lab.com/chirp-explorer-board-first-data-sound/

The Chirp Explorer Board is the first IoT prototyping platform that’s tailor-made from the ground up to explore the possibilities of acoustic data transfer. Built around the powerful Arm Cortex-M4 CPU with inbuilt DSP for optimised audio processing, it allows developers to quickly and easily integrate data-over-sound technology into embedded scenarios. Freely-available reference designs and open-source sample […]