int signal=A3;
int sout;
float vout;
int time=500;
void setup() {
  pinMode(signal,INPUT);
  Serial.begin(9500);
  // put your setup code here, to run once:

}

void loop() {
  sout=analogRead(signal);
  vout=(5./1023.)*sout;
  Serial.println(sout);
  Serial.println(vout);
  delay(time);
  // put your main code here, to run repeatedly:

}