VA10805 Radiation-Tolerant Arm® Cortex®-M0 MCU VORAGO Technologies VA10805 Radiation-Tolerant Arm® Cortex®-M0 MCU is created with VORAGO's patented HARDSIL® technology. It specifically provides radiation protection for space applications. The VA10805 is an ideal solution for LEO missions, CubeSat, and SmallSat constellations in need of immediately available radiation-tolerant microcontroller capabilities.