gistfile1.txt

/*
  DigitalReadSerial
 Reads a digital input on pin 2, prints the result to the serial monitor

 This example code is in the public domain.
 */

// digital pin 2 has a pushbutton attached to it. Give it a name:
int pushButton = 2;
int buttonStateHistory = 0 ;
int ledIndex = 0;
int pins[] = {5,6,7,8,9,10,11,12};


// the setup routine runs once when you press reset:
void setup() {
  // initialize serial communication at 9600 bits per second:
  Serial.begin(9600);
  
  pinMode(pushButton, INPUT);
  
  for (int i = 0; i < sizeof(pins); i++){
     pinMode(i, OUTPUT);
    }
  
}

// the loop routine runs over and over again forever:
void loop() {
  // read the input pin:
  int buttonState = digitalRead(pushButton);
  if (buttonState == HIGH) {
    if (buttonState == buttonStateHistory ){
        digitalWrite(pins[ledIndex], HIGH); 
        ledIndex++;
    }else{  
       ledIndex = 0;
       digitalWrite(pins[ledIndex], HIGH); 
    }
  } else {
    for (int i = 0; i < sizeof(pins); i++){
      digitalWrite(i, HIGH);
    }
  }
  buttonStateHistory = buttonState;
  // print out the state of the button:
  //Serial.println(buttonState);
  delay(200);        // delay in between reads for stability
}