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🌶️🌶️ - I2S Speaker sample

Shows how to use the System.Device.I2s API to write to an I2s device. In this sample we'll be using a MAX98357A breakout board and a generic 4 Ohm, 3W speaker.

The sample project includes an AudioPlayer and a WavFileHeader abstraction.

The sample is located here.

Hardware requirements

  • A MAX98357A breakout board,
  • a generic 4 Ohm, 3W speaker,
  • a microSD card breakout board and
  • a microSD card to store the recorded audio to.

The code sample is demonstrative of the use of the I2S API.

Related topics

Reference

Build the sample

  1. Start Microsoft Visual Studio 2022 or Visual Studio 2019 (Visual Studio 2017 should be OK too) and select File > Open > Project/Solution.
  2. Starting in the folder where you unzipped the samples/cloned the repository, go to the subfolder for this specific sample. Double-click the Visual Studio Solution (.sln) file.
  3. Press Ctrl+Shift+B, or select Build > Build Solution.

Run the sample

The next steps depend on whether you just want to deploy the sample or you want to both deploy and run it.

Deploying the sample

  • Select Build > Deploy Solution.

Deploying and running the sample

  • To debug the sample and then run it, press F5 or select Debug > Start Debugging.

Note

Important: Before deploying or running the sample, please make sure your device is visible in the Device Explorer.

Tip: To display the Device Explorer, go to Visual Studio menus: View > Other Windows > Device Explorer.