FastLED_entropy.ino

#include <FastLED.h>
#define NUM_LEDS 160
#define DATA_PIN 6

CRGB leds[160];
  int x;
  
void setup() { 
  FastLED.addLeds<WS2812B, 6>(leds, 160);
}
void loop() {
  // hook a wire from analog 0 to ground as an antenna, or just analog 0 and touch it
  randomSeed(analogRead(0));
     
  //choose a random led
  x = random(160);
    
  // choose a random color
  leds[x] = CHSV(random8(),255,255);
           
  FastLED.show();

  delay(5);          
}