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A WLED pcb for use with a microphone, and some othere bits, mainly for workshops and decoration.

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Richard42Graham/WLED-MOUSE

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WLED-Mouse

Note: PCB is still very much work in progress

PCB files for a for ESP32 board that can attach an INMP441 or ICS-43434 I²S microphone. It is intended to use together with SR-WLED for mixing sound reactive and addressable LEDs together.

I2S Digital Microphone information

The INMP441 is an omnidirectional digital microphone which communicates via I²S. It can be bought from a number of places, for example Aliexpress.

Microphone hookup

Hookup instructions is taken from the SR-WLED wiki.

from INMP441, ICS-43434 to ESP32 GPIO
L/R Gnd ground => left channel. Don't leave this pin unconnected!
SD 32 serial data
WS 15 left right clock
SCK 14 serial clock
VDD 3.3V power don't use 5V!
GND Gnd ground, 0V

WLED setup

  1. Fetch the binary from SR-WLED and flash to ESP32 board
  2. Boot up WLED device and go to the "Sound setting" menu
  3. Select Generic I2S
  4. Reboot device
  5. Have fun with sound reactive LEDs

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A WLED pcb for use with a microphone, and some othere bits, mainly for workshops and decoration.

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