Precipitation is a crucial component of the natural water cycle. Accurately measuring rainfall is crucial for meteorological monitoring, agricultural production, flood prevention and disaster reduction, and other fields. As an efficient and accurate modern measurement tool, rain sensors can monitor rainfall data in real time, providing a reliable basis for scientific research and practical applications. This article will provide a detailed introduction to the operating principles, main types, and application scenarios of rain sensors, providing a deeper understanding of how this technology can aid meteorological observation and water resource management.

