/**
 * Fab Academy Week 4: Embedded Programming
 * Task: Basic Digital Output (Blink)
 * Board: Seeed Studio XIAO ESP32C3
 * * Hardware Connections:
 * - LED Anode (+): Connected to Pin D2
 * - LED Cathode (-): Connected to 220-ohm Resistor -> GND
 */

// Use the board-specific alias 'D2' for reliability
const int ledPin = D2; 

void setup() {
  // Initialize Serial Monitor at 115200 baud for debugging status
  Serial.begin(115200);
  
  // Set the specified pin as an OUTPUT to drive the LED
  pinMode(ledPin, OUTPUT);
  
  Serial.println("--- LED Blink Initialized ---");
}

void loop() {
  // Turn the LED ON (Apply 3.3V to Pin D2)
  digitalWrite(ledPin, HIGH);
  Serial.println("LED: ON");
  delay(500); // Maintain state for 0.5 seconds

  // Turn the LED OFF (Apply 0V to Pin D2)
  digitalWrite(ledPin, LOW);
  Serial.println("LED: OFF");
  delay(500); // Maintain state for 0.5 seconds
}