No fewer than eight Fraunhofer Institutes have pooled their competences in sensors, microelectronics, assembly technologies, PCB design, laser applications, and reliability analytics in a special joint consortium. Its mission: To develop and provide a technology platform for sensor systems for use in extremely harsh environments. The online seminar »eHarsh« on December 1, 2021, included talks and live demonstrations of the current R&D progress at Fraunhofer IZM and its seven consortium partners.