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Sound Reactive Lights Tutorial

Materials List

  • Arduino – I'm using the Limited Edition Arduino Uno Mini
  • Microphone Sensor
  • RGB LED Strip (WS2812B)

1. Wire Diagram

Mic Sensor Arduino LED Strip
+ 5V +
- (GND) GND - (GND)
A0 A0
5 (digital pin) DIN

2. Install FastLED Library

This code uses the FastLED library to control LED lights. The library can be installed from the Arduino IDE by going to Sketch > Include Library > Manage Libraries. Then search for FastLED by Daniel Garcia and click Install.

3. Upload Code

Open the sound-reactive-lights.ino file and upload the code onto the Arduino board!