Audio Expansion Module for Raspberry Pi Pico, Concurrently Headphone / Speaker Output

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Audio expansion Module for Pico

Wide range audio sampling rate, headphone and speaker signal output at the same time.

Features at a glance

The Pico-Audio is an audio expansion module designed for Raspberry Pi Pico, which incorporates CS4344 low power stereo decoder, and uses I2S bus for transmitting audio signal. It supports wide range audio sampling rate, allows headphone and speaker signal output at the same time.

  • Standard Raspberry Pi Pico header, supports Raspberry Pi Pico series
  • Standard 3.5mm audio jack, for connecting external headphone
  • Dual channels speaker headers, for direct driving speakers
  • 8~384000Hz audio sampling rate
  • Stereo sound effect output
  • Using 3-wire I2S, effectively reducing EMI
  • Comes with development resources and manual (Raspberry Pi Pico audio play code, sound card code)


Specifications
Operating voltage5VLogic level3.3V
Audio decoderCS4344Audio busI2S
DAC SNR106 dBSpeaker driving2.6W/channel (4Ω BTL)

Raspberry Pi Pico header compatibility

onboard female pin header for direct attaching to Raspberry Pi Pico,
male pin header for stacking other modules



Raspberry Pi Pico is NOT included. 

What's On Board



  1. Dual channels 4-wire speaker header
  2. SMD adjustable resistor
    speaker output volume adjustment
  3. Audio decoder output observing points
  4. 3.5mm standard headphone jack
  5. RT9193-33
    3.3V linear regulator
  1. CS4344
    audio decoder, 3-wire I2S bus
  2. APA2068
    audio power amplifier
  3. Raspberry Pi Pico header
    for connecting Raspberry Pi Pico, stackable design
Pinout definition



Example usage


Speakers, Pico and USB cable are not included

Outline dimensions



What's in the box?

1 x Pico-Audio module

Resources

  • Availability: 10 In Stock
  • Model: WS Pico-Audio
  • Brand: WaveShare