const int potPin = A0;
int Valor = 0;
int Valor1 = 0;
void setup() {
pinMode(3, INPUT);
Serial.begin(9600);
}


void loop() {
  
  
  delay(100);
    Serial.print("X:" );
    Serial.print(analogRead(A0));
    Serial.print("| Pulsador: ");
     Serial.println(Valor1);
    Serial.println(digitalRead(3));
     Valor = analogRead(potPin);
   Valor1= Valor*0.02-10;

delay(1000);
}