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Newly Updated Circuit Projects:

Making a Thermoelectric Generator (TEG) Circuit

Last Updated on January 21, 2026 by Swagatam 15 Comments

TEG

A thermoelectric generator (TEG) is a kind of “free energy device” which has the property of converting temperature into electricity. In this post I have explained a little about this concept and find out how we can use it to generate electricity from heat and cold. What’s TEG In one of my earlier articles I […]

Filed Under: Renewable Energy Tagged With: Generator, Making, TEG, Thermoelectric

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

THE HIGGINS ENGINE: Generating Electricity from Gravity

Last Updated on January 21, 2026 by Swagatam 3 Comments

Before we go ahead with the full concept and working of the Higgins Engine, I want to tell all our readers something very important. Recently I got a very kind and generous email from one of our respected readers Mr. Higgins. I am thankful and honored to receive such an in-depth and original contribution from […]

Filed Under: Renewable Energy Tagged With: Clean, Energy, Engine, Generation, HIGGINS, Technology

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

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