The SoundDuino Arduino sound shield is capable of working with voltages from 3.3v to 5v and if you use the other Arduino boards, the only pins that you require are GND, VCC, RX, TX.

It provides the capability to record and play high-quality audio sounds directly from a microSD card, making it a versatile addition to any Arduino-based project.

A stock Arduino isn’t really known for its hi-fi audio generating abilities. For “serious” audio like sample playback, people usually add a shield with hardware to do the heavy lifting ...

Arduino adds Chirp’s data-over-sound capabilities to its boards 13th August 2019 News Chirp and Arduino have announced the first official integration of data-over-sound on Arduino’s range of boards.

This proof-of-concept is just waiting for you to put it to good use. [Mike Tsao] wrote an Arduino sketch that lets him decode incoming audio data which could be used to program the device. He&#8217… ...