/**
 * Blink the onboard NeoPixel RGB LED using the Adafruit NeoPixel library.
 * Works on any Adafruit Feather with a built-in NeoPixel.
 *
 * Requires the Adafruit NeoPixel library:
 *   Sketch -> Include Library -> Manage Libraries -> search "Adafruit NeoPixel"
 *
 * By Jon E. Froehlich
 * @jonfroehlich | https://jonfroehlich.github.io/
 * https://makeabilitylab.github.io/physcomp/esp32/led-blink
 */

#include <Adafruit_NeoPixel.h>

// On the Wokwi generic ESP32-S3 DevKit, the NeoPixel is on GPIO 38
const int WOKWI_NEOPIXEL_PIN = 38;

// Initialize the NeoPixel object
Adafruit_NeoPixel _pixel(1, WOKWI_NEOPIXEL_PIN, NEO_GRB + NEO_KHZ800);

// Blink delay
const int BLINK_DELAY_MS = 500;

void setup() {
  _pixel.begin();
  _pixel.setBrightness(30);  // 0-255; keep it low to avoid blinding yourself!
}

void loop() {
  _pixel.setPixelColor(0, _pixel.Color(255, 0, 0));    // Red
  _pixel.show();
  delay(BLINK_DELAY_MS);

  _pixel.setPixelColor(0, _pixel.Color(0, 0, 0));      // Off
  _pixel.show();
  delay(BLINK_DELAY_MS);

  _pixel.setPixelColor(0, _pixel.Color(0, 255, 0));    // Green
  _pixel.show();
  delay(BLINK_DELAY_MS);

  _pixel.setPixelColor(0, _pixel.Color(0, 0, 0));      // Off
  _pixel.show();
  delay(BLINK_DELAY_MS);

  _pixel.setPixelColor(0, _pixel.Color(0, 0, 255));    // Blue
  _pixel.show();
  delay(BLINK_DELAY_MS);

  _pixel.setPixelColor(0, _pixel.Color(0, 0, 0));      // Off
  _pixel.show();
  delay(BLINK_DELAY_MS);
}