<p>➀ Fraunhofer IIS and IWES developed an acoustic sensor system with a specialized chip to remotely detect rotor blade damage in wind turbines, reducing costly inspections.</p><p>➁ The chip captures structural sound anomalies, transmits minimal data via mobile networks, and enables real-time monitoring, optimizing maintenance for offshore wind farms.</p><p>➂ Future upgrades aim to detect lightning strikes, enhancing reliability and supporting the energy transition through improved turbine durability.</p>