#include <FastLED.h>

CRGB leds[1]; 

int value = 0; 

void setup() {
  Serial.begin(9600); 
  FastLED.addLeds<NEOPIXEL, 3>(leds, 1); 
}

void loop() {
  value = analogRead(A0); 
  Serial.print("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(); 
  }
}