#include <FastLED.h>
#define LED_PIN 3
#define NUM_LEDS 150

CRGB leds[NUM_LEDS];


void setup() {
  FastLED.addLeds<WS2812, LED_PIN, GRB>(leds, NUM_LEDS);
  FastLED.setMaxPowerInVoltsAndMilliamps(12, 500);
  FastLED.clear();
  FastLED.show();
  Serial.begin(9600);
 
}

void loop() {
  // Turn lights from green to blue from left to right   R G B 
 for (int a=0; a<5; a++){
  
   for (int w=0; w<150; w++){
    leds[w-1].setRGB(0,0,0);
    leds[w+0].setRGB(45,45,45);
    leds[w+1].setRGB(65,65,65);
    leds[w+2].setRGB(95,95,95);
    leds[w+3].setRGB(135,175,135);
    leds[w+4].setRGB(175,175,175);
    leds[w+5].setRGB(215,215,215);
    leds[w+6].setRGB(255,255,255);
    
  
    delay(500);
    FastLED.show();
  }
  
   delay(5000);
    FastLED.show();

 }
  
  
}