#include <Stepper.h>
int cekoriVoKrug = 2048;
Servo stepMotor (cekoriVoKrug, 8, 10, 9, 11);
int brzina =10;
int pauza = 500;

int taster=2;
int nasoka=1;
int tasterNov;
int tasterStar=1;

void setup () {
  stepMotor.setSpeed (brzina);
  Serial.begin(9600);
  pinMode (taster, INPUT);
  digitalWrite (taster ,HIGH);
}

void loop () {
  tasterNov = digitalRead (taster);
  if (tasterStar == 1 && tasterNov == 0) {
    nasoka = nasoka*(-1);
  }
  stepMotor.step (nasoka*1);
  tasterStar = tasterNov;
}