How to Use Raindrop Sensor | Arduino Tutorial | Energen

Hey Guys, In this tutorial I'm going to show you How to use the Raindrop Sensor and mapping function in an easy way.
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.
Project & code: www.hackster.io/energen/how-t...
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