Atom EchoS3R Microphone

APIs and example programs related to the microphone on Atom EchoS3R.

Example Program

Compilation Requirements

• M5Stack board manager version >= 3.2.2
• Board option = M5AtomS3R
• M5Unified library version >= 0.2.8

Open the example program Basic -> Microphone in the M5Unified library, click the upload button, and the program will be compiled and uploaded to Atom EchoS3R.

This program uses the microphone to capture sound and store it in a loop buffer. A short press of the front button on the device will play back the most recent few seconds of the recorded audio.

API

The microphone part of Atom EchoS3R uses the Mic_Class from the M5Unified library. For more related APIs, please refer to the following documentation:

• M5Unified - Mic Class