int signalPwmOutputPin=4;//Aux Output PWM (uscita monitor del segnale campionato)
int signalAnalogInputPin=36;//GPIO36=ADC0input
int signalInputValue;//valore del campione ADC
double runtime;

void setup() {
  //pinMode(signalInput,INPUT); 
  pinMode(signalPwmOutputPin,OUTPUT); 
  pinMode(signalAnalogInputPin,INPUT);
  Serial.begin(115200);
  delay(2000);

}

void loop() {
 runtime=micros()/1000.0;//variabile tempo del campione(in secondi)
 signalInputValue=analogRead(signalAnalogInputPin);
  
 Serial.print("runtime: ");
 Serial.println(runtime,4);
 Serial.print("signalInputValue: ");
 Serial.println(signalInputValue,4);

 analogWrite(signalPwmOutputPin,signalInputValue);//GPIO4 Analog Output (PWM)
 
}