Arduino_101_Blinky_with_variables.ino

// Make variables for the led pin number and delay
// These can be used throughout your code
int ledPin = 13;
int delayMs = 1000;

void setup() {
  // Tell pin 13 to work as an output
  pinMode( ledPin, OUTPUT );
}

void loop() {
  // Set pin 13 to HIGH voltage (5v) and delay
  digitalWrite( ledPin, HIGH );
  delay( delayMs );

  // Set pin 13 to LOW voltage (0v) and delay
  digitalWrite( ledPin, LOW );
  delay( delayMs );
}