Description: A regenerative sensor is a device that has the ability to generate its own energy or functionality, allowing it to operate autonomously without relying on external power sources. These sensors are fundamental in the context of the Internet of Things (IoT), where connectivity and sustainability are essential. The most notable feature of regenerative sensors is their ability to harvest energy from the environment, whether through sources like solar light, motion, or thermal changes. This not only reduces the need for batteries but also minimizes the environmental impact associated with their production and disposal. Furthermore, their efficient design allows for a long lifespan and reduced maintenance, making them ideal for applications in various technological environments. In a world where energy efficiency is increasingly crucial, regenerative sensors represent an innovative solution that combines advanced technology with a sustainable approach, enabling the implementation of smart systems that can operate continuously and reliably.