https://github.com/zackees/esp32-v51-inmp441

https://github.com/zackees/esp32-v51-inmp441

Last synced: 5 months ago
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• Host: GitHub
• URL: https://github.com/zackees/esp32-v51-inmp441
• Owner: zackees
• Created: 2024-02-07T03:55:59.000Z (over 1 year ago)
• Default Branch: main
• Last Pushed: 2024-03-06T19:26:49.000Z (over 1 year ago)
• Last Synced: 2024-11-26T03:48:36.517Z (7 months ago)
• Language: C++
• Size: 1.79 MB
• Stars: 4
• Watchers: 1
• Forks: 1
• Open Issues: 1
• Metadata Files:
  • Readme: README.md

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README

        
# ESP32-v51-inmp441

This contains an attempt to get the very popular INMP441 mems microphone working with the v5.1 esp32 I2S library and test the light sleep issue reported here [https://github.com/espressif/arduino-esp32/pull/8714](https://github.com/espressif/arduino-esp32/pull/8714)

The bug that is tracking this can be found here:

[https://github.com/espressif/arduino-esp32/issues/8207](https://github.com/espressif/arduino-esp32/issues/8207)

This repo demonstrates that the INMP441 will not function with the new 5.1 I2S library.

There could just be a setting or something wrong that I'm doing (probably). I've done everything I could think of in the documentation and simply cannot get the new library to work.

# Guides

https://wiki.seeedstudio.com/XIAO_ESP32C3_Getting_Started

# Important

The XIAO ESP32C3 *can only be reliably flashed on MacOS*. Windows will work a few times then stop working.

# IS2 Pinout

```cpp

#define PIN_I2S_WS GPIO_NUM_7

#define PIN_IS2_SD GPIO_NUM_8

#define PIN_I2S_SCK GPIO_NUM_4

#define PIN_AUDIO_PWR GPIO_NUM_10

```

L/R -> VDD

# Install

  * Install VSCode

    * Install the platform io plugin

  * `git clone https://github.com/zackees/xiao-inmp441-test`

  * Use VSCode to open `xiao-inmp441-test`

# Programming a board

  * Connect to XIAO board with USBC cable.

    * Make sure the cable is designed for data

    * Click build/upload in the platform io toolpanel

      * ![image](https://github.com/zackees/xiao-inmp441-test/assets/6856673/13bed300-5c01-4837-ba01-008b39cfe71e)

  * The test software should now be installed and the board should be running a test program

# Test routine

Simply power the board and read the stdout through the connection monitor.

# Schematic

![image](https://github.com/zackees/esp32-v51-inmp441/assets/6856673/95f2223f-6127-4bc0-a346-03e80c125f60)

# XIAO Pins

  * Datasheet

    * https://www.espressif.com/sites/default/files/documentation/esp32-c3_datasheet_en.pdf

# Pinouts

  * XIAO:

    * ![image](https://github.com/zackees/noodz-soundreactive/assets/6856673/b1114268-d4b9-4eeb-9ecf-c81d819812d9)