/*Hello ATTiny44A
  Pin configuration: 
  ATtiny44 PA3 (pin 10)--> Green LED connected
  ATtiny44 PA2 (pin 11)--> Pushbutton connected
  Switch on and off an LED via external push button
*/
const int LED = 3;
const int BOTON = 2;
int val;
void setup() {
  pinMode(LED, OUTPUT);
  pinMode(BOTON, INPUT);
}
void loop() {
  val = digitalRead(BOTON);
  if  (val == LOW) {
    digitalWrite(LED, HIGH);
  }
  else {
    digitalWrite(LED, LOW);
  }
}