pulsador

const int buttonPin = 2;
const int ledPin =  7;
int buttonState = 0;
void setup() {
pinMode(ledPin, OUTPUT);
pinMode(buttonPin, INPUT);    
}

void loop(){
buttonState = digitalRead(buttonPin);
if (buttonState == HIGH) {
digitalWrite(ledPin, HIGH);
}
  else {
digitalWrite(ledPin, LOW);
  }
}