#define LED D9

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, STM32!");
  Serial.println("Welcome to Wokwi :-)");

  pinMode(LED, OUTPUT);
}

void loop() {
  digitalWrite(LED, LOW);
  delay(250);
  digitalWrite(LED, HIGH);
  delay(250);
  // put your main code here, to run repeatedly:
  // this speeds up the simulation
}