//-------------------------------------------
//  Simple example of a while() loop
//-------------------------------------------
int i;                      // variable for counting
int ledPin = 7;

void setup() {
  pinMode(ledPin, OUTPUT);
}

void loop()  {     
while(i < 10) {
digitalWrite(ledPin, HIGH); // blink LED quickly
delay(100);
digitalWrite(ledPin, LOW);
delay(100);
i = i + 1;                  // increment i
}

digitalWrite(ledPin, HIGH); // one slow (1 second) blink
delay(1000);                
digitalWrite(ledPin, LOW);     
delay(1000);     
i = 0;                      // Reset i              
}