#include <Adafruit_NeoPixel.h>
#define PIN 6 // D6 on Arduino Nano
#define NUM_LEDS 16 // Number of LEDs in Neopixel Ring
Adafruit_NeoPixel strip(NUM_LEDS, PIN, NEO_GRB + NEO_KHZ800);
void setup() {
strip.begin();
strip.show(); // Initialize all pixels to "off"
}
void loop() {
// Set all pixels to a random color
for(int i=0; i<NUM_LEDS; i++) {
strip.setPixelColor(i, random(256), random(256), random(256));
}
// Show the updated colors on the strip
strip.show();
// Pause for a moment before updating the colors again
delay(100);
}