const int SER =8;
const int LATCH = 9;
const int CLK = 10;
int lights[9] ={0,1,2,4,8,16,32,64,128};

void setup()
{
 pinMode (SER, OUTPUT);
 pinMode (LATCH, OUTPUT);
 pinMode (CLK, OUTPUT);

digitalWrite (LATCH, LOW);
shiftOut (SER, CLK, MSBFIRST, B00000000);
digitalWrite (LATCH, HIGH);
delay(100);
digitalWrite (LATCH, LOW);
shiftOut (SER, CLK, MSBFIRST, B11111111);
digitalWrite (LATCH, HIGH);
delay (100);
digitalWrite (LATCH, LOW);
shiftOut (SER, CLK, MSBFIRST, B00000000);
digitalWrite (LATCH, HIGH);

}

void loop()
{
for (int i=0; i<9; i++)
{
digitalWrite (LATCH, LOW);
shiftOut (SER, CLK, MSBFIRST, lights[i]);
digitalWrite (LATCH, HIGH);
delay (100);
}


}