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Illuminate your favorite hot spot with our Sound Reactive LED Pyramid. Make your favorite place to kick back the hot spot for all of your friends and family. With a wide variety of colors these lights will add a new flavor to any setting. For years colors have had a direct correlation to mood. Illuminate your life! The Pyramid comes to life reacting to sound going through its unique variety of colors.

Step 1: Materials

  • Clear Acrylic Sheet
  • Wires
  • Power Source
  • Arduino
  • Breadboard
  • Acrylic Glue
  • NeoPixel Ring
  • Sound Impact Sensor

Step 2: Building the Model

Utilizing Inventor the model we created is 6.25x6 inches the pyramid to ultimately cutout on a laser engraver. Clear Acrylic made it hard to hide the NeoPixel ring inside our pyramid so the clear acrylic was sanded to give it a frosted appearance.

Step 3: Circuit and Code

#include

#ifdef __AVR__ #include #endif #define Pin 9 #define NUMPIXELS 12 Adafruit_NeoPixel strip = Adafruit_NeoPixel(60, Pin, NEO_GRB + NEO_KHZ800); Adafruit_NeoPixel pixels = Adafruit_NeoPixel(NUMPIXELS, Pin); int delayval = 500; // delay for half a second

void setup() { pixels.begin(); // This initializes the NeoPixel library. pinMode(7,INPUT); //SIG of the Parallax Sound Impact Sensor connected to Digital Pin 7 pinMode(Pin, OUTPUT); Serial.begin(9600); }

//this function will make the LED dim once the Parallax Sound Impact Sensor sends a 1 signal, and then return to it’s original brightness. void loop() { boolean soundstate = digitalRead(7); if (soundstate == 1) { Serial.println(soundstate); for(int i=0;i

// pixels.Color takes RGB values, from 0,0,0 up to 255,255,255 pixels.setPixelColor(i, pixels.Color(50,50,50,255)); // Moderately bright green color. strip.setPixelColor(1, 0, 50,0,255); strip.setPixelColor(2, 50, 0, 50, 0); strip.setPixelColor(3, 0, 50, 0, 50); strip.setPixelColor(4, 0, 50, 50, 0); strip.setPixelColor(5, 0, 50, 0, 0); strip.setPixelColor(6, 0, 50, 0, 0); strip.setPixelColor(7, 50, 50, 50, 50); strip.setPixelColor(8, 0, 0, 50, 127); strip.setPixelColor(9, 0, 50, 0, 127); strip.setPixelColor(10, 50, 0, 0, 127); strip.setPixelColor(11, 0, 50, 0, 127); strip.setPixelColor(12, 50, 50, 50, 127); pixels.show(); // This sends the updated pixel color to the hardware.

delay(delayval); // Delay for a period of time (in milliseconds). pixels.setPixelColor(i, pixels.Color(0,0,0)); pixels.show(); } } else{ Serial.println(soundstate); pixels.show(); }

}

Step 4: Enjoy!

Now use your newly created Sound Reactive LED Pyramid to bring life to any situation! :)

<p>This LED Pyramid changed my life. It is the best thing I have ever seen! If this was for a class then it definitely deserves an A+</p>

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