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Green circuit board with 3.5 mm audio jack and dual speaker headers, fits Raspberry Pi Pico

LORDWORLD

LORDWORLD Audio Expansion Module for Raspberry Pi Pico 3.5 mm jack 384000 Hz sampling

SKU CH-FVCW-M0WQW

Adds a 3.5 mm jack and dual speaker headers to a Raspberry Pi Pico with stereo output up to 384000 Hz sampling

  • Plug directly onto Raspberry Pi Pico using standard header
  • Connect headphones via 3.5 mm jack for private listening
  • Drive speakers directly from dual-channel headers
  • Sample audio from 8 Hz to 384000 Hz
  • 3-wire I2S reduces EMI for cleaner stereo output

Audio expansion for Raspberry Pi Pico

This board adds stereo audio output to any Raspberry Pi Pico series board using the standard header. It is intended for makers, students and engineers who need a compact way to generate sound in embedded projects without designing their own analogue circuitry.

3.5 mm jack plus dual speaker headers

A standard 3.5 mm socket accepts headphones or line-level devices while two dedicated headers drive speakers directly. The 3-wire I2S interface keeps the digital audio path short, reducing electromagnetic interference in tight enclosures.

Check header alignment and power budget

Verify that your Pico variant uses the standard pinout so the board seats correctly. Confirm your power supply can deliver enough current for the connected speakers or headphones at the required volume levels.

Highlights

  • Plug directly onto Raspberry Pi Pico using standard header
  • Connect headphones via 3.5 mm jack for private listening
  • Drive speakers directly from dual-channel headers
  • Sample audio from 8 Hz to 384000 Hz
  • 3-wire I2S reduces EMI for cleaner stereo output

Specifications

BrandLORDWORLD

Questions about this item

What sampling range does the 3-wire I2S interface support on this module?

The 3-wire I2S interface supports an audio sampling rate from 8 Hz up to 384000 Hz, allowing both narrowband and high-resolution stereo playback.

What physical headers and jack must align when mounting this board on a Raspberry Pi Pico?

The board uses the standard RPi Pico header pinout and adds a 3.5 mm audio jack plus dual-channel speaker headers that sit alongside the Pico once seated.

How is the module connected to the Pico, and which step do builders often miss?

Press the module straight down onto the Pico header pins until fully seated; the step often missed is verifying that every header pin and the speaker terminals make solid contact before powering up.

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