The rapid growth of smart devices has led to an increasing demand for efficient, compact, and highly sensitive sensors. Among various sensor technologies, piezo sensors have emerged as a key innovation in modern electronics. These sensors leverage the piezoelectric effect, which converts mechanical stress into electrical signals, making them ideal for touch-sensitive interfaces, vibration monitoring, and even energy harvesting. With recent advancements, piezo sensor technology is now revolutionizing wearables, IoT devices, medical technology, and industrial automation.