#include <Stepper.h>

// Number of steps per output rotation
const int stepsPerRevolution = 800; // 90 degre

// Create Instance of Stepper library
// Stepper myStepper(stepsPerRevolution, 8, 9, 10, 11); // uno
// Stepper stepperRotator(stepsPerRevolution, 14, 15, 16, 17); // mega
Stepper stepperRotator(stepsPerRevolution, 17, 16, 15, 14); // mega


void setup() {
  // set the speed at 60 rpm:
  stepperRotator.setSpeed(10);
  // initialize the serial port:
  Serial.begin(115200);
}

void loop() {
  stepperRotator.step(-stepsPerRevolution);
  delay(1000);
}