It consists of two modules, a rain board that detects the rain and a control module, which compares the analog value, and converts it to a digital value.
The raindrop sensors can be used in the automobile sector to control the windshield wipers automatically, in the agriculture sector to sense rain and it is also used in home automation systems.
Interfacing the raindrop sensor with a microcontroller like 8051, Arduino, or PIC is simple.
The sensor works through a series of exposed parallel traces on board which produces electrical variations when drops or water volume changes. By using microcontrollers or adc ics (Arduino and pic) it’s fairly easy to convert the analog output from the sensor to digital values.
Easy to complete water to analog signal conversion and output analog values can be directly read Arduino development board to achieve the level alarm effect. Rainwater can be used to detect water level detection. This can be directly read by an Arduino or a comparator circuit if you wish to use it as a rain detection alarm. It can be used to monitor a variety of weather conditions.
