#include <FastLED.h>

#define SENSOR_PIN 12
#define LED_PIN 38
#define NUM_LEDS 1

CRGB leds[NUM_LEDS];

void setup() {
  Serial.begin(115200);
  FastLED.addLeds<WS2812B, LED_PIN, GRB>(leds, NUM_LEDS);
}

void loop() {
  int value = analogRead(SENSOR_PIN);
  Serial.println(value);


  int brightness = map(value, 0, 4095, 255, 0);
  leds[0] = CHSV(20, 255, brightness); // warm orange
  FastLED.show();

  delay(100);
}