#include <AccelStepper.h>

AccelStepper Stepper(1,8,8);

void setup() {
  Stepper.setMaxSpeed(1000);
  Stepper.setSpeed(500);
  // put your setup code here, to run once:

}

void loop() {
  Stepper.runSpeed();
  // put your main code here, to run repeatedly:

}