//Mauro Herrero - Fab Academy 2021
//CC-BY-SA

//set constants, according to attiny pinout
const int button = 3;
const int blue = 4;

//set variable - buttonstate
int butState = 0;
void setup() {
  // put your setup code here, to run once:
  pinMode(blue, OUTPUT);
  pinMode(button, INPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  butState = digitalRead(button);
  
  if (butState == HIGH){
      digitalWrite(blue, HIGH);
    } 
  else {
      digitalWrite(blue, LOW);
    }
}