USB Universal Serial Bus – Eutron – SmartKey 3 USB Computer Driver Updates. However, there is no way to provide the same as the product itself is out of production and support. Since then, we have no further updated components or drivers. Electronic boards are key components for the reliability of our equipment and our customers’ needs. Since 1986, Eutron provides high technology solutions in the professional electronic and industrial sector, with specific skills of design, engineering and manufacturing of electronic equipment dedicated to industrial automation, and embedded electronics.