#include <FastLED.h> // How many leds in your strip? #define NUM_LEDS 1 // For led chips like Neopixels, which have a data line, ground, and power, you just // need to define DATA_PIN. For led chipsets that are SPI based (four wires - data, clock, // ground, and power), like the LPD8806 define both DATA_PIN and CLOCK_PIN #define DATA_PIN 21 // Define the array of leds CRGB leds[NUM_LEDS]; void setup() { FastLED.addLeds<WS2812B, DATA_PIN, GRB>(leds, NUM_LEDS); //FastLED.addLeds<NEOPIXEL, DATA_PIN>(leds, NUM_LEDS); // FastLED.addLeds<APA104, DATA_PIN, RGB>(leds, NUM_LEDS); // FastLED.addLeds<UCS1903, DATA_PIN, RGB>(leds, NUM_LEDS); // FastLED.addLeds<UCS1903B, DATA_PIN, RGB>(leds, NUM_LEDS); // FastLED.addLeds<GW6205, DATA_PIN, RGB>(leds, NUM_LEDS); // FastLED.addLeds<GW6205_400, DATA_PIN, RGB>(leds, NUM_LEDS); // FastLED.addLeds<WS2801, RGB>(leds, NUM_LEDS); // FastLED.addLeds<SM16716, RGB>(leds, NUM_LEDS); // FastLED.addLeds<LPD8806, RGB>(leds, NUM_LEDS); // FastLED.addLeds<P9813, RGB>(leds, NUM_LEDS); // FastLED.addLeds<APA102, RGB>(leds, NUM_LEDS); // FastLED.addLeds<DOTSTAR, RGB>(leds, NUM_LEDS); // FastLED.addLeds<WS2801, DATA_PIN, CLOCK_PIN, RGB>(leds, NUM_LEDS); // FastLED.addLeds<SM16716, DATA_PIN, CLOCK_PIN, RGB>(leds, NUM_LEDS); // FastLED.addLeds<LPD8806, DATA_PIN, CLOCK_PIN, RGB>(leds, NUM_LEDS); // FastLED.addLeds<P9813, DATA_PIN, CLOCK_PIN, RGB>(leds, NUM_LEDS); // FastLED.addLeds<APA102, DATA_PIN, CLOCK_PIN, RGB>(leds, NUM_LEDS); // FastLED.addLeds<DOTSTAR, DATA_PIN, CLOCK_PIN, RGB>(leds, NUM_LEDS); } void loop() { // Turn the LED on, then pause leds[0] = CRGB::Red; FastLED.show(); delay(500); // Now turn the LED off, then pause leds[0] = CRGB::Black; FastLED.show(); delay(500); }