#include<Servo.h>
#include <FastLED.h>
#define ledpin 2
#define num_leds 16
CRGB leds[num_leds];
Servo myservo;
void setup() {
  // put your setup code here, to run once:
myservo.attach(9);
pinMode(ledpin, OUTPUT);
FastLED.addLeds<WS2812,ledpin,RGB>(leds,num_leds);
}

void loop() {
  // put your main code here, to run repeatedly:
for(int i=0;i<=180;i++)
{
myservo.write(i);
leds[i/16]=CRGB::Red;
FastLED.show();
delay(100);
}
}