Putra_2 TRK A_ESP32Blink - Wokwi ESP32, STM32, Arduino Simulator

void setup() {
  pinMode(LED_BUILTIN, OUTPUT);
}

void loop() {
  digitalWrite(LED_BUILTIN, HIGH); // LED ON
  delay(1000);
  digitalWrite(LED_BUILTIN, LOW);  // LED OFF
  delay(1000);
}