ESP32_VU

A simple ESP32 T-Audio I2S VU w/ NeoPixels, fixed random flickering issue by replacing library with FastLED.

      

I2S Output

To test the I2S Output, rename either _mainDuDu.txt or _mainDoReMi.txt to cpp, build and flash.
The _mainDoReMi implemented 4 kinds of waveform as above picture!

Play MP3

To play MP3 audio, put the file into SD card root, build _mainMP3.cpp and flash!

References

• TTGO T-Audio IDF components TTGO IDF code at Github
• Arduino FFT Arduino Fast Fourier Transform for Arduino
• NeoPixel library Arduino Adafruit NeoPixel Library.
• FastLED library Another faster NeoPixel Library.
• Helix MP3 I2S Audio Original ESP32 MP3 I2S player