i2s

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  28 Mar 2026 » How to Record audio with i2s on Raspberry Pi Pico

  Following on from my post on i2s playback with Raspberry Pi Pico, this is a write up of the recording lab notes I made in 2023. This was actually the trickier bit - getting an i2s MEMS microphone to capture audio and write it to a WAV file on an SD card. I completed this in 2023, but only got round to writing it up in 2026 - better late than never!more...
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  04 Sep 2023 » How to get i2s playback with Raspberry Pi Pico

  A week and a half ago, I was asked to make a project to play a sound from an SD card, then record a response and play it back. This required me linking the Raspberry Pi Pico up to a few new devices.more...