// Pin 13 has an LED connected on most Arduino boards.
// give it a name:
int led1  = 13;
// Pin 12 has an LED connected on most Arduino boards.
// give it a name:
int led2 = 12;
// Pin 11 has an LED connected on most Arduino boards.
// give it a name:
int led3 = 11;
// Pin 10 has an LED connected on most Arduino boards.
// give it a name:
int led4 = 10;
// Pin 9 has an LED connected on most Arduino boards.
// give it a name:
int led5 = 9;
// Pin 8 has an LED connected on most Arduino boards.
// give it a name:
int led6 = 8;
// Pin 7 has an LED connected on most Arduino boards.
// give it a name:
int led7 = 7;
// Pin 6 has an LED connected on most Arduino boards.
// give it a name:
int led8 = 6;
// Pin 5 has an LED connected on most Arduino boards.
// give it a name:
int led9 = 5;
// Pin 4 has an LED connected on most Arduino boards.
// give it a name:
int led10 = 4;


// the setup routine runs when you press reset:
void setup()   {
  // initialize the digital pin as an output.
  pinMode(led1,OUTPUT);
   pinMode(led2,OUTPUT);
   pinMode(led3,OUTPUT);
   pinMode(led4,OUTPUT);
   pinMode(led5,OUTPUT);
   pinMode(led6,OUTPUT);
   pinMode(led7,OUTPUT);
   pinMode(led8,OUTPUT);
   pinMode(led9,OUTPUT);
   pinMode(led10,OUTPUT);

}


// the loop routine runs over and over again forever:
void loop()  {
  digitalWrite(led1, HIGH);  // turn the LED on (HIGH is the voltage level)
  delay(100);              // wait for a second
  digitalWrite(led1, LOW);   // turn the LED off by making the voltage LOW
  delay(1);              // wait for a second

  digitalWrite(led2, HIGH);  // turn the LED on (HIGH is the voltage level)
  delay(100);              // wait for a second
  digitalWrite(led2, LOW);   // turn the LED off by making the voltage LOW
  delay(1);              // wait for a second

  digitalWrite(led3, HIGH);  // turn the LED on (HIGH is the voltage level)
  delay(100);              // wait for a second
  digitalWrite(led3, LOW);   // turn the LED off by making the voltage LOW
  delay(1);              // wait for a second

  digitalWrite(led4, HIGH);  // turn the LED on (HIGH is the voltage level)
  delay(100);              // wait for a second
  digitalWrite(led4, LOW);   // turn the LED off by making the voltage LOW
  delay(1);              // wait for a second

  digitalWrite(led5, HIGH);  // turn the LED on (HIGH is the voltage level)
  delay(100);              // wait for a second
  digitalWrite(led5, LOW);   // turn the LED off by making the voltage LOW
  delay(1);              // wait for a second

  digitalWrite(led6, HIGH);  // turn the LED on (HIGH is the voltage level)
  delay(100);              // wait for a second
  digitalWrite(led6, LOW);   // turn the LED off by making the voltage LOW
  delay(1);              // wait for a second

  digitalWrite(led7, HIGH);  // turn the LED on (HIGH is the voltage level)
  delay(100);              // wait for a second
  digitalWrite(led7, LOW);   // turn the LED off by making the voltage LOW
  delay(1);              // wait for a second

  digitalWrite(led8, HIGH);  // turn the LED on (HIGH is the voltage level)
  delay(100);              // wait for a second
  digitalWrite(led8, LOW);   // turn the LED off by making the voltage LOW
  delay(1);              // wait for a second

  digitalWrite(led9, HIGH);  // turn the LED on (HIGH is the voltage level)
  delay(100);              // wait for a second
  digitalWrite(led9, LOW);   // turn the LED off by making the voltage LOW
  delay(1);              // wait for a second

  digitalWrite(led10, HIGH);  // turn the LED on (HIGH is the voltage level)
  delay(100);              // wait for a second
  digitalWrite(led10, LOW);   // turn the LED off by making the voltage LOW
  delay(1);              // wait for a second

}