#include <Adafruit_NeoPixel.h>

#define PIN       D5  // Pin donde tenemos conectado la tira NeoPixel
#define NUMPIXELS 4 // Número de píxeles o LEDs

// Declaramos el objeto. El último parámetro dependerá de tu tipo de NeoPixel
//   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 pixels = Adafruit_NeoPixel(NUMPIXELS, PIN, NEO_RGB + NEO_KHZ800);


// Podemos definir las funciones con los colores que queramos
// https://www.w3schools.com/colors/colors_picker.asp
// el brillo va con pixels.setBrightness(64);
void naranja (){
  pixels.setPixelColor(0, pixels.Color(255, 153, 0));
  pixels.setPixelColor(1, pixels.Color(255, 153, 0));
  pixels.setPixelColor(2, pixels.Color(255, 153, 0));
  pixels.setPixelColor(3, pixels.Color(255, 153, 0));
  pixels.show();
}

void verde (){
  pixels.setPixelColor(0, pixels.Color(0, 153, 0));
  pixels.setPixelColor(1, pixels.Color(0, 153, 0));
  pixels.setPixelColor(2, pixels.Color(0, 153, 0));
  pixels.setPixelColor(3, pixels.Color(0, 153, 0));
  pixels.show();
}

void setup() {
  // Iniciamos neopixel
  pixels.begin();
  pixels.show();
  pinMode(12, OUTPUT);
  digitalWrite(12, HIGH);
}

void loop() {
  naranja();
  pixels.setBrightness(64);
  delay(1000);
  pixels.setBrightness(200);
  delay(1000);

}

#include <Adafruit_NeoPixel.h>
#define PIN D5
#define count_led 24 // количество светодиодов 
Adafruit_NeoPixel strip = Adafruit_NeoPixel(count_led, PIN, NEO_RGB + NEO_KHZ800); //first number change does distance between colors
void setup() { 
  strip.begin();
  strip.setBrightness(10);
  strip.show(); // Initialize all pixels to 'off'
}
void loop() {
  // Some example procedures showing how to display to the pixels:
  rainbowCycle(2); // change for speed
}
// 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);
  }
}
// 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);
  }
}
// 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) {
  if(WheelPos < 85) {
   return strip.Color(WheelPos * 3, 255 - WheelPos * 3, 0);
  } else if(WheelPos < 170) {
   WheelPos -= 85;
   return strip.Color(255 - WheelPos * 3, 0, WheelPos * 3);
  } else {
   WheelPos -= 170;
   return strip.Color(0, WheelPos * 3, 255 - WheelPos * 3);
  }
}