#ESP8266 Audio Spectrum Display
This is a fun project.
A ESP8266 module is connected to a 8x8 LED Matrix. A client program (webpage) accepts an audio file, decodes it and sends audio spectrum to ESP8266 for display.
I'm entering Seeed Studio Recipe Contest Sep 2015 http://www.seeedstudio.com/recipe/404-wifi-audio-spectrum-analyzer.html
The firmware is based on
- esphttpd by Sprite_tm
- websocketd by morrissinger
- WS2812/I2S by Charles Lohr