Input

🌶️🌶️ - I2S Microphone sample

Shows how to use the System.Device.I2s API to read from an I2S device. In this sample we'll be using a PDM Microphone breakout board to record 1s of audio data to a SD card.

The sample is located here.

Hardware requirements

• A PDM Microphone breakout board,
• 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

• System.Device.I2s

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.