#include <FastLED.h>
 
#define NUM_LEDS 70
#define DATA_PIN 2
#define TWO_HUNDRED_PI 628
 
CRGB leds[NUM_LEDS];
 
int element = 0;
int last_element = 0;
  
void setup() {
  FastLED.addLeds<WS2812B, DATA_PIN, RGB>(leds, NUM_LEDS);
  FastLED.setBrightness(40)
}
void loop(){
  for (int i=0; i<255; i=i+1) {
    fill_solid (leds, NUM_LEDS, CHSV(i, 255, 255));
    FastLED.show();
   delay(5);
  }
  
}