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#include <Stepper.h>

const int stepsPerRevolution = 200;

// Pin 8 to IN1 on the ULN2003 driver
// Pin 9 to IN2 on the ULN2003 driver
// Pin 10 to IN3 on the ULN2003 driver
// Pin 11 to IN4 on the ULN2003 driver

Stepper myStepper = Stepper(stepsPerRevolution, 8, 10, 9, 11);

void setup() {
  // Set the speed to 64 rpm:
  myStepper.setSpeed(64);
  
  Serial.begin(9600);
}
void loop() {
  Serial.println("clockwise");  // Step one revolution in one direction:
  myStepper.step(stepsPerRevolution);
  delay(500);
  
  Serial.println("counterclockwise"); // Step one revolution in the other direction:
  myStepper.step(-stepsPerRevolution);
  delay(500);
}