Raindrop sensor

Raindrop sensor
robot , rain drops, rain sensor, can be used for a variety of weather conditions monitoring, and into a fixed signal and AO output.
Made of high quality fr-04 double-sided material, with a super large area of 5.0×4.0CM, and has a -plated surface, which has performance in anti-oxidation, electrical conductivity and service life.
Comparator output, clean signal, good waveform, strong driving ability, over 15mA.
With potentiometer to adjust sensitivity.