#include <FastLED.h>


#define LED_PIN 5         // Replace with the pin number you used for DATA connection


#define NUM_LEDS 20       // Replace with the number of LEDs in your strip


#define FLICKER_DELAY 20  // Delay between flicker changes (in milliseconds)


CRGB leds[NUM_LEDS];


void setup() {


  FastLED.addLeds<WS2811, LED_PIN, RGB>(leds, NUM_LEDS);


}


void loop() {


  // Set the initial color for the candle flame


  CRGB flameColor = CRGB::Red;


  // Create a flickering effect


  for (int i = 0; i < NUM_LEDS; i++) {


    // Randomly flicker the LEDs


    if (random(10) < 5) {


      leds[i] = flameColor;


    } else {


      leds[i] = CRGB::Black;


    }


  }


  FastLED.show();  // Update the LED strip


  delay(FLICKER_DELAY);  // Delay between flicker changes


}