void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  pinMode(26, INPUT);
  pinMode(19, OUTPUT);
  pinMode(4, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  delay(10); // this speeds up the simulation
  int reading = digitalRead(26);
  Serial.println(reading);
  if(reading==1){
    digitalWrite(19, HIGH);
    digitalWrite(4, LOW);
  }else{
    digitalWrite(4,HIGH);
    digitalWrite(19, LOW);
  }
}