What is a raindrop sensor?
A raindrop sensor is a board on which nickel is coated in the form of lines. It works on the principle of resistance. The raindrop sensor measures the moisture via analog output pins and it provides a digital output when a threshold of moisture exceeds.
The rain sensor can malfunction or stop working if it comes in direct contact with water
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Raindrop sensor & module
Raindrop sensors can be used for all kinds of weather monitoring System.
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