SMAKN&reg; Rain Sensor Module Sensitivity Weather Module YL-83 for Arduino interface Product use: rain, rain sensor, can be used for all kinds of weather monitoring, and translated into output signals and AO The comparator output, signal clean, good waveform, driving ability is strong, for more than 15 ma With potentiometer sensitivity adjustment The working voltage of 3.3 V to 5 V The output format: digital switch output (0 and 1) and analog AO voltage output