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Newly Updated Circuit Projects:

How to Generate Electricity from Shoe while Walking

Last Updated on January 21, 2026 by Swagatam 23 Comments

In this post I have explained how to generate electricity from our shoe while walking. This electricity can be simultaneously used for charging a cellphone battery. In a few of my previous posts I have explained how simple machines can be efficiently used for extracting free electricity, you may learn more on this through the […]

Filed Under: Inverter Circuits, Renewable Energy Tagged With: Electricity, Generate, Shoe, Walking, while

Charging Battery with Piezo Mat Circuit

Last Updated on January 21, 2026 by Swagatam 15 Comments

piezo

In this post I have explained a method to harvest free electricity from a  piezo embedded mat by walking on it, and try to investigate how this energy may be used for charging a small battery. Normally a human body carries a huge amount of energy which simply gets wasted in our regular day to […]

Filed Under: Renewable Energy Tagged With: Battery, Charging, Piezo

How to Generate Electricity from Sea Waves – 2 Simple Methods

Last Updated on January 21, 2026 by Swagatam 4 Comments

seawaterelectricity

In this post we investigate a couple of quick and efficient methods of generating free electricity from the sea waves which is limitless and an infinite source of energy. Introduction Just like wind and sun, sea is another example of massiveness and a potential raw energy source that may be harnessed for acquiring electrical power. […]

Filed Under: Renewable Energy Tagged With: Electricity, Generate, Methods, Simple, Water

Make Free Drinking Water from Sea Water

Last Updated on January 21, 2026 by Swagatam 16 Comments

sea2Bwater2Bdesalination

In this post I have explained a cheap yet effective method of desalinating large quantities of sea water into free drinking water at home. The idea was requested by Mr. Mike. Technical Specifications This is Mike Cardenas and am writing to you with reference to your invention of a Solar Water desalination set-up from 2011 […]

Filed Under: Renewable Energy Tagged With: Drinking, Free, Water

How to Generate Electricity from Piezo

Last Updated on January 21, 2026 by Swagatam 8 Comments

piezo transducer element

Generating electricity from piezo could be as easy as making a flick with your finger….. curious to know how? I have explained more about this amazing device called piezo, which can be used for generating music as well as electricity. How Piezo Responds to Force and Electricity Piezo material is a crystalline substance which has […]

Filed Under: Renewable Energy Tagged With: Electricity, Generate, Piezo

Simplest Windmill Generator Circuit

Last Updated on January 21, 2026 by Swagatam 70 Comments

simplewindmillgenerator

In this post I have explained how to make a simple windmill generator circuit which can be used for charging batteries, or for operating any desired electrical equipment, all through day and night, free of cost. Solar Panel vs Windmill One of the biggest drawback of solar panel electricity is that it’s available only during […]

Filed Under: Renewable Energy Tagged With: Generator, Simplest, Windmill

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