1. LED Blinking - Wokwi ESP32, STM32, Arduino Simulator

int led=27;
void setup() {
  Serial.begin(115200);
  Serial.println("Hello,ESP32!");
  pinMode(led,OUTPUT);
}
void loop() {
  digitalWrite(led,HIGH);
  delay(1000);
  digitalWrite(led,LOW);
  delay(1000);
}