void setup() {
  Serial.begin(115200);
  pinMode(12, OUTPUT);
  pinMode(13, OUTPUT);
  pinMode(14, OUTPUT);

  Serial.println("");
  Serial.println("Hello, XIAO ESP32-C3!");
  Serial.println("Welcome to Wokwi :-)");
}

void loop() {
  Serial.println("Red");
  digitalWrite(13, HIGH);
  delay(500);
  digitalWrite(13, LOW);

  Serial.println("yellow");
  digitalWrite(12, HIGH);
  delay(500);
  digitalWrite(12, LOW);

  Serial.println("green");
  digitalWrite(14, HIGH);
  delay(500);
  digitalWrite(14, LOW);
}