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LED_WEB

This project is used to control a WS2812B RGB LED strip using a webpage local-hosted on Wi-Fi by an ESP8266.

The motivation behind this project was so that there would be no need for yet another remote to control the lights as is normally the case. Also, having a webpage allows for easy updates to the software to update and add new functions for the same hardware.

The design has the following components:

  • ESP8266 (12-E)
  • SSD1306 128x64 OLED Display (SPI config)
  • MAX4466 Electret Microphone Amplifier with Adjustable Gain Module
  • 10kΩ Potentiometer
  • 10μF 50V Capacitor

The current program has the following functions:

  • Solid color display
  • Breathing color display
  • Basic Audio-Visualizer color display
  • Color Spectrum

The audio visualizer is based on an FFT transform of the input data from the MAX4466.

I have included the Arduino program, along with the KiCAD project for the PCB design.

Circuit Schematic

Schematic

PCB front view PCB Back View
PCB Front PCB Back

TO-DO

  • Proper commenting lol
  • Select particular audio freq for AV
  • Select Wi-Fi network
  • Load last config from memory
  • Over-voltage protection for components
  • Convert THT into SMD (improbable tbh)