雨滴传感器，检测雨量的大小，从而达到智能的控制效果。(Raindrop sensors, which measure the size of rain, achieve intelligent control.)

YL-83雨滴传感器模块原理图和51单片机驱动程序YL-83 raindrop sensor module schematic and 51 microcontroller driver(YL-83 raindrop sensor module schematic and 51 microcontroller driver)