Published December 15, 2017 © CC BY

NeoPixel Musical Ugly Christmas Sweater

Every year I make an ugly Christmas sweater with wearable electronics. I decided to add an MP3 player this year. I have no regrets!

IntermediateFull instructions provided8 hours1,043

Things used in this project

Hardware components

SparkFun Lilypad MP3 Board

Adafruit Flora RGB Neopixel LEDs- Pack of 4

SparkFun Lilypad Arduino USB

Speaker: 0.25W, 8 ohms

SparkFun Conductive Thread

Software apps and online services

Arduino IDE

Story

Introduction

As a middle school engineering teacher, my students do musical light-up projects with Arduino every semester. I fell in love with e-textiles and so I make an ugly Christmas sweater with wearable tech each year, and after last year's I found this video from Mark Schreiber that really made me want to add "real" music to mine instead of just a piezo buzzer. https://www.youtube.com/watch?v=Gej3jrI68rA One of my favorite Christmas songs is "All I Want for Christmas is You" by Mariah Carey, so I dreamed of a sweater that would play this particular song and light up. I planned early and got a LilyPad MP3 player, my LilyPad SimpleSnap Arduino, and a sheet of Flora Neopixels from Adafruit. The Neopixels are so, so cool. They are super bright and you can attach as many as you want to a single Arduino pin. They are very easy to program. Just enchanting. I want to use them on everything!

I found the Llama sweater at Wal-Mart. Suddenly ugly Christmas sweaters, even light-up ones, are affordable and available everywhere. I'm a fan.

Part 1

I spent most of a day on this, making some decisions I liked and some I regret. I originally put the LilyPad Arduino in the center of the sweater, thinking I would attach mini-chains of Neopixels to four different pins and fan them out. I did not test this well before committing to some of the sewing, and then realized Neopixels aren't meant to be used this way and they wouldn't work correctly with the library from Adafruit if you have four chains. I re-arranged some of the sewing to make one long chain of Neopixels connected to pin 11 on my LilyPad, however now I was committed to the arduino being right in the center of my chest and the reset button is pretty hard to get to.

Because of all of the crossing wires due to this ring of Neopixels around the LilyPad, I chose to solder on some of the power wires. I soldered the + and - pins to Vin and GND on the LilyPad MP3 as well. The mini-speakers I ordered are not sewable, so I soldered those too, poking the wires through the sweater and connecting the leads to the pins on the LilyPad MP3. I attached two buttons with pull-up resistors - One connects to Track 1 on the MP3 / Pin 5 on the Arduino, and the other connects to Track 2 on the MP3 / Pin 6 on the Arduino. Thus triggering track 1 also triggers pin 5, and the lights start at the same time as the music. Triggering track 2 triggers pin 6. I loaded up a micro-SD card with Mariah Carey on Track 1 and WHAM! on Track 2. I ended up needing a second small LiPo battery as the one on the SimpleSnap wasn't enough to run the Neopixels and also the MP3 player.

Part 2

There's a ton of hot glue on the inside of the sweater to hold everything in place.

The sweater is kind of a Frankenstein creation underneath. The crazy holiday print is an old tablecloth I used as a liner to hide the soldering and some of the stitching. If I did this all over again, the Arduino and the MP3 would both be near the hem so I could access both reset buttons easily.

I really wish the LilyPad MP3 had a reset pin I could tie it to the arduino's reset pin. I need to reset both when I reset the sweater.

Part 3

I used the code that you can download from the Adafruit site for the Neopixels. I modified the code so I could set a variable for the beats-per-minute, and then run methods like colorWipe and theaterChase for a certain number of beats. The code I wrote is poorly documented and some of the functions are a little off in how well they match the beats of the music. That said, for a pretty basic way to sync lights to music, it's not bad and the Mariah Carey song is just so special.

I like the little speakers even though the wires came off easily and I had to re-solder them and hot glue them in place. They are just the right size, easy to position, make decent music.

If you push button 1, you get Mariah Carey and this awesome light show. Button 2 give you Wham!'s "Last Christmas" and a different light show. This sweater makes me so happy and I can't wait to wear it to our school's Ugly Sweater Day tomorrow.

Code

Sweater_Mariah_Wham

#include <Adafruit_NeoPixel.h>
#ifdef __AVR__
  #include <avr/power.h>
#endif

#define PIN 11

// Parameter 1 = number of pixels in strip
// Parameter 2 = Arduino pin number (most are valid)
// Parameter 3 = pixel type flags, add together as needed:
//   NEO_KHZ800  800 KHz bitstream (most NeoPixel products w/WS2812 LEDs)
//   NEO_KHZ400  400 KHz (classic 'v1' (not v2) FLORA pixels, WS2811 drivers)
//   NEO_GRB     Pixels are wired for GRB bitstream (most NeoPixel products)
//   NEO_RGB     Pixels are wired for RGB bitstream (v1 FLORA pixels, not v2)
//   NEO_RGBW    Pixels are wired for RGBW bitstream (NeoPixel RGBW products)
Adafruit_NeoPixel strip = Adafruit_NeoPixel(60, PIN, NEO_GRB + NEO_KHZ800);

// IMPORTANT: To reduce NeoPixel burnout risk, add 1000 uF capacitor across
// pixel power leads, add 300 - 500 Ohm resistor on first pixel's data input
// and minimize distance between Arduino and first pixel.  Avoid connecting
// on a live circuit...if you must, connect GND first.

int bpm = 150;
int msperbeat = (int)(60000 / bpm);
int pixelsinorder[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 12, 11, 10, 9, 15, 14, 13};



void setup() {
  // This is for Trinket 5V 16MHz, you can remove these three lines if you are not using a Trinket
  #if defined (__AVR_ATtiny85__)
    if (F_CPU == 16000000) clock_prescale_set(clock_div_1);
  #endif
  // End of trinket special code


  strip.begin();
  strip.show(); // Initialize all pixels to 'off'
  pinMode(5, INPUT);
  pinMode(6, INPUT);
  
}

void loop() {

 while((digitalRead(5) == HIGH) && (digitalRead(6) == HIGH))
  ;

 if(digitalRead(6) == LOW) // WHAM
 {
  bpm = 112;
  msperbeat = (int)(60000 / bpm);
  delay(1000);
  
 theaterChaseDuration(strip.Color(0, 127, 0), 50, msperbeat * 4); // Green
 theaterChaseRainbowDuration(50,msperbeat * 4);
 theaterChaseDuration(strip.Color(127, 0, 0), 50, msperbeat * 4); // red
 theaterChaseRainbowDuration(50,msperbeat * 4);
 theaterChaseDuration(strip.Color(127,0,127),200, msperbeat * 4);
 theaterChaseDuration(strip.Color(0,127,127),200, msperbeat * 4);
 rainbowDuration(50, msperbeat * 4);
 // last christmas
 colorWipeDurationMini(strip.Color(127,127,127),0,15,msperbeat * 4);
 colorMiniStrip(strip.Color(0,127,0), 0, 5, (int)(msperbeat * 3 / 2));
  colorMiniStrip(strip.Color(0,127,0), 9, 12,(int)(msperbeat * 3 / 2));
  // I gave you my heart
  colorMiniStrip(strip.Color(0,0,127), 6, 8, msperbeat);
  colorMiniStrip(strip.Color(127,0,0), 0, 15, msperbeat);
  colorMiniStrip(strip.Color(0,0,0), 0, 15, msperbeat);
  colorMiniStrip(strip.Color(127,0,0), 0, 15, msperbeat);
  colorMiniStrip(strip.Color(0,0,0), 0, 15, msperbeat);
  // but the very next day
  colorWipeDurationMini(strip.Color(127,127,0),0, 5, msperbeat * 4);
  // you gave it away
  theaterChaseMiniDuration(strip.Color(0,0,127), 6,8, 150, msperbeat * 2);
  theaterChaseMiniDuration(strip.Color(0,0,127), 13,15,150,  msperbeat * 2);
  // this year
  brightenMiniDuration(1, 0, 15, msperbeat * 4);
  // to save me from tears
  theaterChaseMiniDuration(strip.Color(127,127,127), 6,8, 50, msperbeat * 2);
  theaterChaseMiniDuration(strip.Color(127,127,127), 13,15,50,  msperbeat * 2);
  // I'll give it to someone special
  brightenMiniDuration(4, 0, 5, msperbeat * 4);
  brightenMiniDuration(3, 6, 15, msperbeat * 4);

  // last christmas
 colorMiniStrip(strip.Color(0,127,0), 0, 5, (int)(msperbeat * 3 / 2));
  colorMiniStrip(strip.Color(0,127,0), 9, 12,(int)(msperbeat * 3 / 2));
  // I gave you my heart
  colorMiniStrip(strip.Color(0,0,127), 6, 8, msperbeat);
  colorMiniStrip(strip.Color(127,0,0), 0, 15, msperbeat);
  colorMiniStrip(strip.Color(0,0,0), 0, 15, msperbeat);
  colorMiniStrip(strip.Color(127,0,0), 0, 15, msperbeat);
  colorMiniStrip(strip.Color(0,0,0), 0, 15, msperbeat);
  // but the very next day
  colorWipeDurationMini(strip.Color(127,127,0),0, 5, msperbeat * 4);
  // you gave it away
  theaterChaseMiniDuration(strip.Color(0,0,127), 6,8, 150, msperbeat * 2);
  theaterChaseMiniDuration(strip.Color(0,0,127), 13,15,150,  msperbeat * 2);
  // this year
  brightenMiniDuration(1, 0, 15, msperbeat * 4);
  // to save me from tears
  theaterChaseMiniDuration(strip.Color(127,127,127), 6,8, 50, msperbeat * 2);
  theaterChaseMiniDuration(strip.Color(127,127,127), 13,15,50,  msperbeat * 2);
  // I'll give it to someone special
  brightenMiniDuration(4, 0, 5, msperbeat * 4);
  brightenMiniDuration(3, 6, 15, msperbeat * 4);
 
 colorWipe(strip.Color(0,0,0),10);
 }

 else  // mariah carey
 {
  bpm = 60;
  msperbeat = 60000 / bpm;
  //delay(500);
  colorWipeDurationMini(strip.Color(255,0,0),0, 15, msperbeat * 6);
  theaterChaseRainbowDuration(50,msperbeat * 6);
  colorWipeDurationMini(strip.Color(0,127,0),13, 15, msperbeat*2);
  colorWipeDurationMini(strip.Color(127,0,0),6, 8, msperbeat*2);
  colorWipe(strip.Color(0,0,0),50);
  
  colorWipeDurationMini(strip.Color(127,127,127),0, 5, msperbeat);
  colorWipeDurationMini(strip.Color(127,127,127),9, 12, msperbeat);
  theaterChaseRainbowDuration(50,msperbeat * 3);
  colorMiniStrip(strip.Color(0,0,127), 0, 5, msperbeat / 2);
  colorMiniStrip(strip.Color(0,0,127), 9, 12, msperbeat / 2);
  colorMiniStrip(strip.Color(0,0,127), 6, 8, msperbeat / 2);
  colorMiniStrip(strip.Color(0,0,127), 13, 15, msperbeat / 2);
  theaterChaseMiniDuration(strip.Color(127,127,127), 6,8, 50, msperbeat);
  theaterChaseMiniDuration(strip.Color(127,127,127), 13,15,50,  msperbeat);
  theaterChaseRainbowDuration(50,msperbeat * 2);
  colorWipeDurationMini(strip.Color(0,255,0),0, 15, msperbeat * 4);
  theaterChaseDuration(strip.Color(127,0,127), 200, msperbeat * 4);
  rainbowDuration(50, msperbeat * 4);
  theaterChaseMiniDuration(strip.Color(127,127,0),9,12, 100, msperbeat * 3);
  colorWipeDurationMini(strip.Color(127,127,127), 0,5, msperbeat * 4);
  rainbowDuration(50, msperbeat * 4);
  colorWipe(strip.Color(0,0,0),15);
  delay(400);
  for(int h = 0; h < 3; h++)
  {
  colorMiniStrip(strip.Color(127,127,127), 0, 15, msperbeat / 10);
  colorMiniStrip(strip.Color(0,0,0), 0, 15, msperbeat / 10);
  colorMiniStrip(strip.Color(127,127,127), 0, 15, msperbeat / 10 * 2);
  colorMiniStrip(strip.Color(0,0,0), 0, 15, msperbeat / 10);
  }
  colorMiniStrip(strip.Color(127,127,127), 0, 15, msperbeat / 10*2);
  colorMiniStrip(strip.Color(0,0,0), 0, 15, msperbeat / 10);

  // Just about perfect introduction
  // now for the main verse
  bpm = 75;
  msperbeat = (int)(60000 / bpm);

  brightenMiniDuration(3, 0, 15, msperbeat * 4);
  theaterChaseMiniDuration(strip.Color(127,127,127),0,15,100,msperbeat * 4);
  brightenMiniDuration(1, 0, 15, msperbeat * 4);
  theaterChaseMiniDuration(strip.Color(127,127,127),0,15,100,msperbeat * 4);
  colorMiniStrip(strip.Color(0,127,0),6,8,msperbeat);
  colorMiniStrip(strip.Color(0,127,0),13,15,msperbeat);
  colorMiniStrip(strip.Color(0,0,0),6,8,msperbeat);
  colorMiniStrip(strip.Color(0,0,0),13,15,msperbeat);
  colorMiniStrip(strip.Color(0,127,0),0,5,msperbeat);
  colorMiniStrip(strip.Color(0,127,0),9,12,msperbeat);
  colorMiniStrip(strip.Color(0,0,0),0,5,msperbeat);
  colorMiniStrip(strip.Color(0,0,0),9,12,msperbeat);
  colorMiniStrip(strip.Color(127,0,0),6,8,msperbeat);
  colorMiniStrip(strip.Color(127,0,0),13,15,msperbeat);
  colorMiniStrip(strip.Color(0,0,0),6,8,msperbeat);
  colorMiniStrip(strip.Color(0,0,0),13,15,msperbeat);
  colorMiniStrip(strip.Color(127,0,0),0,5,msperbeat);
  colorMiniStrip(strip.Color(127,0,0),9,12,msperbeat);
  colorMiniStrip(strip.Color(0,0,0),0,5,msperbeat);
  colorMiniStrip(strip.Color(0,0,0),9,12,msperbeat);

  theaterChaseMiniDuration(strip.Color(0,0,127),0,5,50,msperbeat);
  theaterChaseMiniDuration(strip.Color(0,0,127),9,12,50,msperbeat);
  theaterChaseMiniDuration(strip.Color(127,0,127),6,8,50,msperbeat);
  theaterChaseMiniDuration(strip.Color(127,0,127),13,15,50,msperbeat);
  colorWipeDurationMini(strip.Color(127,0,0),0, 15, msperbeat * 2);
  colorWipeDurationMini(strip.Color(0,127,0),0, 15, msperbeat * 2);
  colorWipeDurationMini(strip.Color(0,127,127),0, 15, msperbeat * 2);
  colorWipeDurationMini(strip.Color(127,127,127),0, 15, msperbeat * 4);
  rainbowDuration(50, msperbeat * 6);

  for(int h = 0; h < 3; h++)
  {
  colorMiniStrip(strip.Color(127,127,127), 0, 15, msperbeat / 10);
  colorMiniStrip(strip.Color(0,0,0), 0, 15, msperbeat / 10);
  colorMiniStrip(strip.Color(127,127,127), 0, 15, msperbeat / 10 * 2);
  colorMiniStrip(strip.Color(0,0,0), 0, 15, msperbeat / 10);
  }
  colorMiniStrip(strip.Color(127,127,127), 0, 15, msperbeat / 10*2);
  colorMiniStrip(strip.Color(0,0,0), 0, 15, msperbeat / 10);
  
 }

   
   
}

// some example procedures
 // Some example procedures showing how to display to the pixels:
//  colorWipe(strip.Color(255, 0, 0), 50); // Red
 // colorWipe(strip.Color(0, 255, 0), 50); // Green
  //colorWipe(strip.Color(0, 0, 255), 50); // Blue
//colorWipe(strip.Color(0, 0, 0, 255), 50); // White RGBW
  // Send a theater pixel chase in...
  //theaterChase(strip.Color(127, 127, 127), 50); // White
  //theaterChase(strip.Color(127, 0, 0), 50); // Red
  //theaterChase(strip.Color(0, 0, 127), 50); // Blue

  //theaterChaseDuration(strip.Color(127, 0, 0), 50, 2000); // Red
  //theaterChaseDuration(strip.Color(0, 0, 127), 50, 5000); // Blue

// Fill the dots one after the other with a color
void colorWipe(uint32_t c, uint8_t wait) {
  for(uint16_t i=0; i<strip.numPixels(); i++) {
    strip.setPixelColor(i, c);
    strip.show();
    delay(wait);
  }
}

void colorWipeDurationMini(uint32_t c, int lowlight, int highlight, int duration) {
  int numlights = highlight - lowlight + 1;
  int durationperlight = duration / numlights;

  if(numlights == 16)
  {
    for(int i = 0; i <= 15; i++)
    {
      strip.setPixelColor(pixelsinorder[i],c);
      strip.show();
      delay(durationperlight);
    }
  }
  else{
    for(int i=lowlight; i<=highlight; i++) {
      strip.setPixelColor(i, c);
      strip.show();
      delay(durationperlight);
    }
  }
}



void colorMiniStrip(uint32_t c, int lowlight, int highlight, int duration)
{
  int numlights = highlight - lowlight;
  int durationperlight = duration / numlights;
  for(int i=lowlight; i<=highlight; i++) {
    strip.setPixelColor(i, c);
  }
  strip.show();
  delay(duration);
  
}

void rainbow(uint8_t wait) {
  uint16_t i, j;

  for(j=0; j<256; j++) {
    for(i=0; i<strip.numPixels(); i++) {
      strip.setPixelColor(i, Wheel((i+j) & 255));
    }
    strip.show();
    delay(wait);
  }
}

void rainbowDuration(uint8_t wait, int duration) {
  uint16_t i, j;
  int totaltime = 0;
  while(totaltime < duration)
  {
  for(j=0; j<256; j++) {
    for(i=0; i<strip.numPixels(); i++) {
      strip.setPixelColor(i, Wheel((i+j) & 255));
    }
    strip.show();
    delay(wait);
    totaltime += wait;
    if(totaltime >= duration)
    {
      return;
    }
  }
  }
}

// Slightly different, this makes the rainbow equally distributed throughout
void rainbowCycle(uint8_t wait) {
  uint16_t i, j;

  for(j=0; j<256*5; j++) { // 5 cycles of all colors on wheel
    for(i=0; i< strip.numPixels(); i++) {
      strip.setPixelColor(i, Wheel(((i * 256 / strip.numPixels()) + j) & 255));
    }
    strip.show();
    delay(wait);
  }
}

//Theatre-style crawling lights.
void theaterChase(uint32_t c, uint8_t wait) {
  for (int j=0; j<10; j++) {  //do 10 cycles of chasing
    for (int q=0; q < 3; q++) {
      for (uint16_t i=0; i < strip.numPixels(); i=i+3) {
        strip.setPixelColor(i+q, c);    //turn every third pixel on
      }
      strip.show();

      delay(wait);

      for (uint16_t i=0; i < strip.numPixels(); i=i+3) {
        strip.setPixelColor(i+q, 0);        //turn every third pixel off
      }
    }
  }
}

//Theatre-style crawling lights.
void theaterChaseDuration(uint32_t c, uint8_t wait, int duration) {
  int j = 0;
  int q = 0;
  uint16_t i = 0;
  int totaltime = 0;
  int lightnum;
  while(totaltime < duration)
  {
      for (uint16_t i=0; i <= 15; i=i+3) {
        lightnum = i+q;
        if(lightnum > 15)
        {
          lightnum = lightnum - 15 - 1;
        }
        strip.setPixelColor(pixelsinorder[lightnum], c);    //turn every third pixel on
      }
      strip.show();

      delay(wait);
      totaltime += wait;

      for (uint16_t i=0; i <= 15; i=i+3) {
        lightnum = i+q;
        if(lightnum > 15)
        {
          lightnum = lightnum - 15 - 1;
        }
        strip.setPixelColor(pixelsinorder[lightnum], 0);        //turn every third pixel off
      }

    q++;
    if(q >= 3)
      q = 0;
  }
  // when time is up turn lights off
  for(uint16_t i = 0; i < strip.numPixels(); i++)
  {
    strip.setPixelColor(i,0);
  }
  strip.show();
}


void theaterChaseMiniDuration(uint32_t c, int lowlight, int highlight, uint8_t wait, int duration) {
  int j = 0;
  int q = 0;
  uint16_t i = 0;
  int totaltime = 0;
  while(totaltime < duration)
  {
      int lightnum;
      for (int i=lowlight; i <= highlight; i=i+3) {
        lightnum = i+q;
        if(lightnum > highlight)
        {
          lightnum = lightnum - highlight - 1 + lowlight;
        }
        strip.setPixelColor(lightnum, c);    //turn every third pixel on
      }
      strip.show();

      delay(wait);
      totaltime += wait;

      for (uint16_t i=lowlight; i <= highlight; i=i+3) {
        lightnum = i+q;
        if(lightnum > highlight)
        {
          lightnum = lightnum - highlight - 1 + lowlight;
        }
        strip.setPixelColor(lightnum, 0);        //turn every third pixel off
      }

    q++;
    if(q >= 3)
      q = 0;
  }
  // when time is up turn lights off
  for(uint16_t i = 0; i < strip.numPixels(); i++)
  {
    strip.setPixelColor(i,0);
  }
  strip.show();
}

//Theatre-style crawling lights with rainbow effect
void theaterChaseRainbowDuration(uint8_t wait, int duration) {
  int totaltime = 0;
  int lightnum;
  while(totaltime < duration)
  {
  for (int j=0; j < 256; j = j + 10) {     // cycle all 256 colors in the wheel
    for (int q=0; q < 3; q++) {
      for (uint16_t i=0; i <= 15; i=i+3) {
        lightnum = i+q;
        if(lightnum > 15)
        {
          lightnum = lightnum - 15 - 1;
        }
        strip.setPixelColor(pixelsinorder[lightnum], Wheel( (i+j) % 255));    //turn every third pixel on
      }
      strip.show();

      delay(wait);
      for (uint16_t i=0; i <= 15; i=i+3) {
         lightnum = i+q;
        if(lightnum > 15)
        {
          lightnum = lightnum - 15 - 1;
        }
        strip.setPixelColor(pixelsinorder[lightnum], 0);        //turn every third pixel off
      }
      
      totaltime += wait;
      if(totaltime >= duration)
      {
        for(uint16_t m = 0; m < strip.numPixels(); m++)
          strip.setPixelColor(m,0);
        strip.show();
        delay(10);
        return;
      }

      
    }
  }
  
  }
}

// Input a value 0 to 255 to get a color value.
// The colours are a transition r - g - b - back to r.
uint32_t Wheel(byte WheelPos) {
  WheelPos = 255 - WheelPos;
  if(WheelPos < 85) {
    return strip.Color(255 - WheelPos * 3, 0, WheelPos * 3);
  }
  if(WheelPos < 170) {
    WheelPos -= 85;
    return strip.Color(0, WheelPos * 3, 255 - WheelPos * 3);
  }
  WheelPos -= 170;
  return strip.Color(WheelPos * 3, 255 - WheelPos * 3, 0);
}


// brightens a strip of pixels over a duration
// assumes duration is over like 1000
// first parameter is 1 if red, 2 if green, 3 if blue, 4 if white
void brightenMiniDuration(int hue, int lowlight, int highlight, int duration)
{
  duration = duration - 127; // need to shorten, there are delays in here
  int mspershade = (int)(duration / 128);
  if(duration < 256)
    mspershade = 2;
  if(duration < 128)
     mspershade = 1;

  int totaltime = 0;
  uint32_t c;
  int i = 0;
  
  
  while(totaltime < duration)
  {
    if(hue == 1)
        c =strip.Color(i, 0, 0);
    else if (hue == 2)
        c = strip.Color(0,i,0);
    else if (hue == 3)
        c = strip.Color(0,0,i);
    else
        c = strip.Color(i,i,i);
    for(int index = lowlight; index <= highlight; index++)
    {    
      strip.setPixelColor(index, c);
    }
    strip.show();
    i+= 1;
    delay(mspershade);
    totaltime += mspershade;
  }
  return;
  
}

Credits

Dawn Dupriest

4 projects • 5 followers

Middle School Computer Science teacher, Feminist, Maker. 2012 Poudre School District Teacher of the Year. 2016 Allen Distinguished Educator.

Thanks to Mark Schreiber.

NeoPixel Musical Ugly Christmas Sweater

Things used in this project

Hardware components

Software apps and online services

Story

Introduction

Part 1

Part 2

Part 3

Schematics

Fritzing Diagram

Code

Sweater_Mariah_Wham

Credits

Dawn Dupriest

Comments

Embed the widget on your own site

NeoPixel Musical Ugly Christmas Sweater

NeoPixel Musical Ugly Christmas Sweater

Things used in this project

Hardware components

Software apps and online services

Story

Introduction

Part 1

Part 2

Part 3

Schematics

Fritzing Diagram

Code

Sweater_Mariah_Wham

Credits

Dawn Dupriest

Comments

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