Adopts high quality of RF-04 double sided material.
Area: 5cm x 4cm nickel plate on side,
Anti-oxidation, anti-conductivity, with long use time;
Comparator output signal clean waveform is good, driving ability, over 15mA;
Potentiometer adjust the sensitivity;
Working voltage 5V;
Output format: Digital switching output (0 and 1) and analog voltage output AO;
With bolt holes for easy installation;
Small board PCB size: 3.2cm x 1.4cm;
Uses a wide voltage LM393 comparator
The rain sensor module is an easy tool for rain detection. It can be used as a
switch when raindrop falls through the raining board and also for measuring rainfall
intensity. The module features, a rain board and the control board that is separate for
more convenience, power indicator LED and an adjustable sensitivity though a
The analog output is used in detection of drops in the amount of rainfall.
Connected to 5V power supply, the LED will turn on when induction board has no rain
drop, and DO output is high. When dropping a little amount water, DO output is low, the
switch indicator will turn on. Brush off the water droplets, and when restored to the initial
state, outputs high level.
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