Engineering ProjectsMechanical Projects

Mini Windmill Power Generation Project


The increasing demand for renewable energy sources is more relevant than ever, given the depleting non-renewable resources and their escalating costs. One such promising avenue is wind energy, harnessed through windmills or wind turbines. This article delves into the intricacies of setting up a Mini Windmill Power Generation Project, which not only serves as an excellent example of utilizing natural resources but also operates in harmony with nature.

How Does It Work?

The core of this project lies in the windmill, which is essentially a wind turbine generator. When the windmill blades catch enough wind, they rotate and generate electricity due to the magnetic coupling between the rotating and stationary coils. This electricity is then used to charge a 12V battery. The system is smartly controlled by an Atmega microcontroller, which senses the battery’s voltage levels and displays them on an LCD screen.

Component Specifications

  • Windmill: The primary source of power generation.
  • Atmega Microcontroller: The brain of the operation, responsible for sensing and charging.
  • LCD Display: To display the voltage levels.
  • Crystal Oscillator, Resistors, Capacitors, Transistors: Various electronic components for circuit building.
  • Cables and Connectors, Diodes, PCB and Breadboards, LED: For connecting and assembling the components.
  • Transformer/Adapter: For power supply needs.
  • Push Buttons, Switch, IC, IC Sockets: Additional components for enhanced functionality.

Software Specifications

The system is programmed using the C programming language, making it both robust and efficient for this application.

Advantages of Mini Windmill Power Generation

  1. Sustainable: Utilizes wind energy, a renewable resource.
  2. Cost-effective: Reduces electricity bills.
  3. Eco-friendly: Operates without emitting harmful substances.
  4. Automated: The Atmega microcontroller automates the charging process, making it user-friendly.


  • Rural electrification
  • Battery charging stations
  • Supplementing home energy needs
  • Educational projects for schools and colleges


The Mini Windmill Power Generation Project is a testament to how efficiently we can harness wind energy. With its automated system and eco-friendly operation, it stands as a beacon for future renewable energy projects.

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