#define BOT 3

void setup() {
  Serial.begin(9600);
  pinMode(BOT,INPUT_PULLUP);
}

void loop() {
 int x = 0;
 while(x<=10){
  Serial.print("Valor -> ");
  Serial.println(x);
  while(digitalRead(BOT)==0){}
  x=x+1;
  delay(500);
 }

}