The Raspberry Pi Pico is a fantastic microcontroller with boundless possibilities, but like any technology, it has its limitations. The MusicPi pico audio expansion board is designed to complement your Raspberry Pi Pico and unlock its full potential, especially when it comes to audio applications. To take your headphone listening experience to the next level, the Pico Audio Expansion integrates the PAM8908JER stereo headphone amplifier. This amplifier enriches your audio with greater depth and clarity, making every note and sound detail come to life. With the Pico Audio Expansion, your headphones will become a portal to a world of breathtaking audio.

Features:

Powered by Raspberry Pi  Pico/Pico W microcontroller which is having Dual-core Arm Cortex-M0+ processor, running up to 133 MHz 1.14" TFT display for visual interaction Type C interface for power with supply indicator LED Onboard microSD card compatibility is useful for data logging and extended storage purposes Multipurpose GPIOs breakout for additional peripheral interfacing 3 Programmable Buttons to add additional controls to project  2 channel RAW and Mono Class D Audio Amplified Output supporting 3W speaker per channel. PCM5100A 2VRMS DirectPath™ Stereo DAC

Pinout:

Dimension:

Technical Specifications

Microcontroller

Supports Raspberry Pi Pico/Pico 2/Pico W

Supply Voltage

5V

Operating pin voltage

3.3V

Amplifier

NS4150 3W Mono Class D Audio Amplifier

Operating Temperature Range

-20°C ~ +70°C

Audio Outputs  

Amplified Headphones (3.5mm) with PAM8908JER stereo headphone amp

Unamplified Line-Level 3W Speaker Output per channel

DAC

DAC Resolution: 32-bit

DAC Sampling Rate: Up to 384kHz

Display

Display Size: 1.14”

Display Type: IPS TFT Display Resolution:  135(H) X 240(V) pixels Display colors: 65K RGB Luminance(cd/m2): 400(TYP) Display interface: SPI Display Driver: ST7789V

Resources:

Software GitHub: Getting Started Guide

Hardware GitHub: Hardware Design files like Schematic, Step and 3D

Note: This Product does not contain Raspberry Pi Boards like Pico/Pico W/Pico 2