Hardware Components
Arduino UNO
Rain Sensor Module
Rain sensor pad
Rain sensor control module
Servo Motor (SG90)
Software Requirements
Arduino IDE
Basic knowledge of:
Uploading Arduino code
Reading Serial Monitor
This project demonstrates a Rain Sensitive Smart Clothesline System using a Rain Sensor and Servo Motor controlled by Arduino UNO.
In real life, people often forget to bring clothes inside when it suddenly rains. This experiment simulates a smart home automation system that automatically protects clothes from rain.
The system uses a rain sensor pad that detects water droplets. When the sensor detects rain, it sends a signal to the Arduino microcontroller.
The Arduino then commands a servo motor (SG90) to rotate and move the clothesline under a shaded area of a DIY house model.
When the sensor is dry, the clothes remain outside for drying.
When rain is detected, the clothesline automatically moves inside the shade to protect them.
Students will learn how sensors, microcontrollers, and actuators work together to create smart automation systems used in real smart homes and smart cities.
After completing this module, students will be able to:
Technical Skills
Understand how a Rain Sensor works
Differentiate between Analog Output and Digital Output
Interface Rain Sensor with Arduino
Control Servo Motor using Arduino
Write basic Arduino control logic
Conceptual Understanding
Students will understand:
Sensor based automation
Input → Processing → Output logic
Role of microcontrollers in smart devices
Basics of Smart Home Automation
Practical Skills
Students will be able to:
Build a working rain detection system
Connect sensors and actuators
Test sensor readings using Serial Monitor
Create a real-life smart automation model
Innovation Skills
Students will learn how similar systems are used in:
Smart homes
Automatic window closing systems
Smart irrigation
Weather responsive devices
Rain Sensitivity Module
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