int data=4;
int latch=5;
int clock=6;
int t=300;


void set ( int led ) {   
    shiftOut(data,clock,MSBFIRST,led);
    digitalWrite ( latch, HIGH ); 
    digitalWrite ( latch, LOW ); 
    delay ( t ); 
} 
void setup (   ) {   
    pinMode ( data, OUTPUT ); 
    pinMode ( latch, OUTPUT );
    pinMode ( clock, OUTPUT ); 
} 
    
void loop (   ) {   
    for( int i = B00000001; i<1  ; i++) { 
            set(i);
            delay ( 1000 ); 
        }
}