#include <FastLED.h>

CRGB leds[1];

int value = 0;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  FastLED.addLeds<NEOPIXEL, 3 > (leds, 1);

}

void loop() {
  // put your main code here, to run repeatedly:
  value = analogRead(A0);
  Serial.println("Value: ");
  Serial.println(value);

  if (value > 1000) {
    Serial.println("Red");
    leds[0] = CRGB :: Red;
    FastLED.show();
  }

  else if (value > 500) {
    Serial.println("Orange");
    leds[0] = CRGB :: Orange;
    FastLED.show();
  }

  else {
    Serial.println("Green");
    leds[0] = CRGB :: Green;
    FastLED.show();
  }
  delay(1000);
}