WS2812Serial/examples/BasicTest/BasicTest.ino

#include <WS2812Serial.h>

const int numled = 64;
const int pin = 1;

// Usable pins:
//   Teensy LC:   1, 4, 5, 24
//   Teensy 3.2:  1, 5, 8, 10, 20, 31
//   Teensy 3.5:  1, 5, 8, 10, 20, 26, 32, 33, 48
//   Teensy 3.6:  1, 5, 8, 10, 20, 26, 32, 33

byte drawingMemory[numled*3];
DMAMEM byte displayMemory[numled*12];

WS2812Serial leds(numled, displayMemory, drawingMemory, pin, WS2812_GRB);

#define RED    0xFF0000
#define GREEN  0x00FF00
#define BLUE   0x0000FF
#define YELLOW 0xFFFF00
#define PINK   0xFF1088
#define ORANGE 0xE05800
#define WHITE  0xFFFFFF

// Less intense...
/*
#define RED    0x160000
#define GREEN  0x001600
#define BLUE   0x000016
#define YELLOW 0x101400
#define PINK   0x120009
#define ORANGE 0x100400
#define WHITE  0x101010
*/

void setup() {
  leds.begin();
}

void loop() {
  // change all the LEDs in 1.5 seconds
  int microsec = 1500000 / leds.numPixels();

  colorWipe(RED, microsec);
  colorWipe(GREEN, microsec);
  colorWipe(BLUE, microsec);
  colorWipe(YELLOW, microsec);
  colorWipe(PINK, microsec);
  colorWipe(ORANGE, microsec);
  colorWipe(WHITE, microsec);
}

void colorWipe(int color, int wait) {
  for (int i=0; i < leds.numPixels(); i++) {
    leds.setPixel(i, color);
    leds.show();
    delayMicroseconds(wait);
  }
}