Arduino Master Course Project 3 : Rain Alarm Using Arduino

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Introduction:
A rain sensor, or rain switch, is a switching device, activated by rainfall.
There are so many applications of rain sensor.
Generally, It is used in a device used to protect the interior of an automobile from rain and to support the automatic mode of windscreen wipers.
In this tutorial, we will learn, how to make an automatic rain alarm using Arduino.

We have connected the positive terminal of buzzer, with Arduino’s pin number eleven.
Negative terminal of the buzzer, is connected to the ground pin of Arduino.
Rain sensor module has three main pins, VCC, ground, and output.
VCC pin is Connected with the 5 volt pin of Arduino, and ground pin is connected with the ground pin of Arduino.
connect the output pin of rain sensor, with pin number 7 of Arduino.

I hope you enjoyed the video, and learned something from it.
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