// This example code is in the public domain
const int pinLED = 13;
const int pshButton = 4;
boolean statePsh;
void setup() {
  Serial.begin(9600);
  pinMode(pinLED, OUTPUT);
  pinMode(pshButton, INPUT);
}

void loop() {
  statePsh = digitalRead(pshButton);
  if(statePsh == 1){
    digitalWrite(pinLED, HIGH);
  }else{
    digitalWrite(pinLED, LOW);

  }
}