3 LED, 3 resistor.ino - Wokwi ESP32, STM32, Arduino Simulator

void setup() {
  for(int LED=2; LED<=4; LED++){
    pinMode(LED, OUTPUT);
  }

}

void loop() {
  for(int LED=2; LED<=4; LED++){
    digitalWrite(LED, HIGH);
    delay(1000);
    digitalWrite(LED, LOW);
  }

}