Product use: rain, rain sensor, can be used for all kinds of weather monitoring, and translated into output signals and AO.
The sensor USES the high quality FR - 04 double material, large area of 5.5x4.0 CM, treatment of nickel plating and surface, have fight oxidation, electrical conductivity, and life has more superior performance.
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;
Has a fixed bolt hole, convenient installation
Small board PCB size: Approx. 3.2 cm x 1.5 cm
The LM393, use of wide voltage comparator