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Rain Sensing Automatic Car Wiper Project


Gone are the days of manual wipers that require your constant attention. The Revolutionary Rain Sensing Wipers are here to transform your driving experience. Using state-of-the-art rain sensor technology, this system automatically activates the wipers when it detects rain, ensuring optimal visibility and safety without any manual intervention.

How It Works

  • Rain Sensor: At the heart of this system is the rain sensor, which detects water on the windshield, completing its circuit, and signaling the microcontroller.
  • Microcontroller: The received signal is processed by an Atmega Microcontroller that determines the intensity of the rain and adjusts the wiper speed accordingly.
  • Motor Driver IC: This component drives the servo motor, which operates the wipers, ensuring a clean sweep across the windshield.

Features and Advantages

  • Automatic Activation: The system automatically turns on when rain is detected and adjusts the wiper speed based on the rainfall intensity.
  • Efficiency and Convenience: Reduces the driver’s manual tasks, allowing them to focus on the road.
  • Adaptable Speed: The wiper’s speed varies depending on the rain’s intensity, providing precise cleaning.
  • Safety: Enhances visibility during heavy rain, reducing the risk of accidents.

System Components

  • Hardware: Atmega Microcontroller, Rain Drop Sensor, Servo Motor, and other electronic components.
  • Software: Arduino Compiler and C programming for microcontroller programming.


The Revolutionary Rain Sensing Wipers represent a significant advancement in automotive technology, prioritizing efficiency, convenience, and safety. By automating the wiper system, drivers can enjoy a stress-free and safer driving experience, no matter the weather.

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