Smart sensors are advanced devices that can detect and transmit data about their environment in real-time. They can be used across many industries like manufacturing, healthcare, transportation, and agriculture. Smart sensors have features like collecting data in real-time, wireless transmission, and incorporating machine learning algorithms and energy harvesting. Their use has revolutionized industries by providing insights into processes and enabling more efficient operations. Smart sensors are key to technologies like smart homes and cities, autonomous vehicles, and precision agriculture.