The Audio Expansion Module for Raspberry Pi Pico, designed to elevate your audio projects with its wide range of sampling rates and dual output capabilities. Whether you're connecting headphones via the standard 3.5mm audio jack or driving speakers directly through dual-channel headers, this module seamlessly integrates with your Raspberry Pi Pico setup to provide exceptional sound quality and versatility.

Compatibility

This module is fully compatible with the Raspberry Pi Pico series, ensuring a hassle-free integration into your existing projects. With a standard Raspberry Pi Pico header, you can quickly and easily attach it to your Pico, opening up new possibilities for audio experimentation and application development. It’s an ideal choice for hobbyists, educators, and developers looking to explore audio processing, synthesis, or playback.

Key Features

Wide Audio Sampling Range

Experience an extensive audio sampling rate from 8Hz to 384kHz, allowing for high-fidelity sound reproduction suitable for a variety of audio applications, from simple sound effects to complex musical compositions.

Dual Output Options

The module features a standard 3.5mm audio jack for connecting external headphones, alongside dual-channel speaker headers that allow for direct speaker connection. This flexibility enables users to easily switch between personal listening and broader sound output.

Stereo Sound Effect Output

Enjoy rich, stereo sound with this module’s advanced audio capabilities. The stereo output provides an immersive listening experience, making it perfect for music playback, audio projects, and interactive sound applications.

Low EMI Design

Utilizing a 3-wire I2S interface, this module effectively reduces electromagnetic interference (EMI), ensuring clean audio signals and minimizing noise in your projects. This is particularly beneficial in environments where electronic interference can degrade sound quality.

Comprehensive Development Resources

Included with the module are extensive development resources and a user manual, complete with Raspberry Pi Pico audio play code and sound card code. These resources will help you get started quickly, whether you're a beginner or an experienced developer.

What is it?

The Audio Expansion Module for Raspberry Pi Pico is a dedicated hardware accessory designed to enhance the audio capabilities of the Raspberry Pi Pico. By incorporating advanced audio processing features, it allows users to explore a wide range of audio applications, from music playback to sound synthesis, making it an essential tool for any audio enthusiast or developer.

Why did we make it?

We recognized the growing demand for high-quality audio solutions within the Raspberry Pi community. Many users sought a way to enhance their projects with superior audio capabilities, but existing solutions were often complicated or lacked versatility. Our goal was to create an easy-to-use, comprehensive audio expansion module that would empower users to achieve professional-grade audio output while maintaining the simplicity and accessibility that Raspberry Pi projects are known for.

What makes it special?

What sets this module apart is its combination of wide audio sampling rates, dual output options, and low EMI design—all packed into a compact and user-friendly format. Whether you are creating an interactive installation, developing a music player, or experimenting with audio effects, this module provides the tools you need to achieve outstanding results. Additionally, the inclusion of detailed development resources ensures that users can maximize the module's potential, regardless of their experience level.