void step(AccelStepper motor, float steps, float speed_value, float acceleration){
motor.moveTo(motor.currentPosition()+steps);
motor.setSpeed(speed_value);
//motor.setAcceleration(acceleration);
// Implementation without acceleration.
while (motor.distanceToGo() != 0)
motor.runSpeedToPosition();
//motor.run();
}
void moveTo(int desiredPosition)
{
leftStepper.setCurrentPosition(0);
rightStepper.setCurrentPosition(0);
leftStepper.moveTo(desiredPosition);
rightStepper.moveTo(desiredPosition);
}