Rain sensor is a sensor used to detect the presence of rain. It typically consists of a sensor that can detect moisture on its surface.
The nickel plated surface of the sensor has anti oxidation,conductivity,and lifespan effects
Comparator output,clean signal,good waveform,strong driving ability,exceeding 15mA
Adjusting sensitivity with a potentiometer
Working voltage:3.3V-5V
Small PCB size:3.2cm*1.4cm
Using a wide voltage LM393 comparator