// Include the NeoPixel library for LED strip control
#include<neoPixel.h>


// Define hardware connections and configuration
#define LED_PIN 9       // Digital pin for LED data signal
#define NUM_LEDS 30     // Number of LEDs in the strip


// Create NeoPixel strip object
neoPixel strip = neoPixel(NUM_LEDS, LED_PIN);

void setup() {
  
  // Initialize LED strip
  strip.begin();          // Init.
  strip.setAll(&black);   // Lets go dark.
  strip.show();           // Show it.
}


void loop() {
 
  // Cycle through colors using predefined values
  strip.setAll(&red);
  strip.show();
  delay(1000);
  
  strip.setAll(&green);
  strip.show();
  delay(1000);
  
  strip.setAll(&blue);
  strip.show();
  delay(1000);
  
  strip.setAll(&black);
  strip.show();
  delay(1000);

}