void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
}
int adc;
int porcentaje;
void loop() {
  // put your main code here, to run repeatedly:
  adc=analogRead(4);
  porcentaje=map(adc,0,4095,0,330);
  Serial.print("ADC: ");
  Serial.print(adc);
  Serial.print("                 Milivolts: ");
  Serial.println(porcentaje);
  delay(100); // this speeds up the simulation
}