#define CLOCK 3
#define DATA 5
#define LATCH 4
bool stav = false;
uint8_t vzor = 1;
uint8_t i = 1;
bool smer = true;
uint8_t cislop = 0;
uint8_t pattern [] = {
  0b00000001,
  0b00000010,
  0b00000100,
  0b00001000,
  0b00010000,
  0b00100000,
  0b01000000,
  0b10000000,
  0b01000000,
  0b00100000,
  0b00010000,
  0b00001000,
  0b00000100,
  0b00000010,
  0b00000001,
};


void setup() {
  pinMode(DATA, OUTPUT);
  pinMode(CLOCK, OUTPUT);
  pinMode(LATCH, OUTPUT);
  Serial.begin(115200);

}

void loop() {
  digitalWrite(LATCH, LOW);
  shiftOut(DATA, CLOCK,LSBFIRST, pattern[cislop]);
  digitalWrite(LATCH, HIGH);

  
  delay(300);

  i=(i+1)%7;
  if(smer){vzor = vzor << 1;}
  else{vzor = vzor >> 1;}
  
  cislop++;
  if (cislop == 15){
    cislop = 0;
  }
}