What Are NeoPixel LEDs?

1#define DELAYVAL 500 // Time (in milliseconds) to pause between pixels
2
3void
4  setup() {
5  // These lines are specifically to support the Adafruit Trinket 5V
6  16 MHz.
7  // Any other board, you can remove this part (but no harm leaving it):
8#if
9  defined(__AVR_ATtiny85__) && (F_CPU == 16000000)
10  clock_prescale_set(clock_div_1);
11#endif
12
13  // END of Trinket-specific code.
14
15  pixels.begin(); // INITIALIZE NeoPixel
16  strip object (REQUIRED)
17}
18
19void loop() {
20  pixels.clear(); // Set all
21  pixel colors to 'off'
22
23  // The first NeoPixel in a strand is #0, second is
24  1, all the way up
25  // to the count of pixels minus one.
26  for(int i=0; i<NUMPIXELS;
27  i++) { // For each pixel...
28
29    // pixels.Color() takes RGB values, from
30  0,0,0 up to 255,255,255
31    // Here we're using a moderately bright green color:
32
33    pixels.setPixelColor(i, pixels.Color(0, 150, 0));
34
35    pixels.show();
36   // Send the updated pixel colors to the hardware.
37
38    delay(DELAYVAL);
39  // Pause before next pass through loop
40  }
41}

1#define DELAYVAL 500 // Time (in milliseconds) to pause between pixels
2
3void  setup() {
4  // These lines are specifically to support the Adafruit Trinket 5V  16 MHz.
5  // Any other board, you can remove this part (but no harm leaving it):
6#if  defined(__AVR_ATtiny85__) && (F_CPU == 16000000)
7  clock_prescale_set(clock_div_1);
8#endif
9  // END of Trinket-specific code.
10
11  pixels.begin(); // INITIALIZE NeoPixel  strip object (REQUIRED)
12}
13
14void loop() {
15  pixels.clear(); // Set all  pixel colors to 'off'
16
17  // The first NeoPixel in a strand is #0, second is  1, all the way up
18  // to the count of pixels minus one.
19  for(int i=0; i<NUMPIXELS;  i++) { // For each pixel...
20
21    // pixels.Color() takes RGB values, from  0,0,0 up to 255,255,255
22    // Here we're using a moderately bright green color:
23    pixels.setPixelColor(i, pixels.Color(0, 150, 0));
24
25    pixels.show();   // Send the updated pixel colors to the hardware.
26
27    delay(DELAYVAL);  // Pause before next pass through loop
28  }
29}