const int LED = 7;
const int button = 8; // 2 ou 8
bool button_state = 0;

void setup() {
  pinMode(LED, OUTPUT);
  pinMode(button, INPUT_PULLUP);
}

void loop() {

  button_state = digitalRead(button);

    if (button_state == LOW) {
      digitalWrite(LED, HIGH);  
      delay(1000);
    }
    else
    {
      digitalWrite(LED, LOW); 
    }

    delay(10);

}