/*
 *  LED Blink using a custom function
 *
 * Setup: 
 *     Wire an LED from digital pin7 to gnd through a resistor
 */

int ledPin = 7;   // Pin number attached to LED

void setup() {
  pinMode(ledPin, OUTPUT);
  Serial.begin(9600);
}

void loop() {
    blink();
}

void blink() {
  Serial.println("LED on...");
    digitalWrite(ledPin, HIGH); // Light the LED
    delay(700);
  Serial.println("Off...");
    digitalWrite(ledPin, LOW);  // LED off
    delay(700); 
 }