1 Shift Register

/*
 * Atiriya Iyer
 * Shift Register
 */

const int SER= 8; //sends data
const int LATCH=9; //activates register
int CLK= 10; //clock
int lights [14]= {1,2,4,8,16,32,64,128,64,32,16,8,4,2};
int bar[14] = {1,3,7,15,31,63,127,255,127,63,31,15,7,3};

void setup()
{
  // put your setup code here, to run once:
  pinMode (SER, OUTPUT);
  pinMode (LATCH, OUTPUT);
  pinMode (CLK, OUTPUT);
  digitalWrite (LATCH, LOW);
  shiftOut (SER, CLK, MSBFIRST, B11111111);
  digitalWrite (LATCH, HIGH);

}

void loop()
{
  for (int i=0; i< 14; i++)
  {
    digitalWrite (LATCH, LOW);
    shiftOut (SER, CLK, MSBFIRST, lights[i]);
    digitalWrite (LATCH, HIGH);
    delay(100);
  }

  for (int j=0; j< 14; j++)
  {
    digitalWrite (LATCH, LOW);
    shiftOut (SER, CLK, MSBFIRST, bar[j]);
    digitalWrite (LATCH, HIGH);
    delay(100);
  }
}