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Newly Updated Circuit Projects:

How to Make TDCS Brain stimulator Circuit

Last Updated on May 25, 2026 by Swagatam 32 Comments

brain mapping

In this article I will show how to construct an interesting project, which could potentially enhance your brain’s capability. I have explained how to make a TDCS brain stimulator circuit. Overview This may sound like science fiction, where an evil scientist connects his head to some complex machine and gaining super human capabilities. This may […]

Filed Under: Health related Projects Tagged With: Brain, Stimulator, TDCS

3-Step Automatic Fast Battery Charger/Controller Circuit

Last Updated on May 24, 2026 by Swagatam 272 Comments

3stepbatterychargercircuit

Generally it is noticed that while charging batteries people hardly pay any special attention toward the procedures. For them charging a battery is simply connecting any DC supply with matching voltage with the battery terminals. A fast battery charger circuit charges a battery with enhanced speed so that it is charged in less time than the specified period. […]

Filed Under: Battery Charger Circuits Tagged With: Automatic, Battery, Charger, Controller, Fast, Step

Ultraviolet (UV) Sanitizer Circuit for Disinfecting Home Materials

Last Updated on May 24, 2026 by Swagatam 51 Comments

cell phone sanitizer circuit

In this post I have explained the making of a simple, cheap yet effective ultraviolet or UV-C home sanitizer circuit using ultra violet rays or UV-C. The idea was requested by Mr. Shah (kristin). Using UV Rays against Coronavirus The UV-C sanitizer circuit I have explained below can be effectively applied for sanitizing all external […]

Filed Under: Health related Projects Tagged With: Disinfecting, Home, Materials, Sanitizer, Ultraviolet, UV

How to Generate Pure Oxygen and Hydrogen at Home

Last Updated on May 24, 2026 by Swagatam 91 Comments

generateoxygenandhydrogenathome

In this article I have explained a simple method through which large amounts of oxygen and hydrogen could be generated at home using an ordinary electrical setup, and very cheaply. Before I have explained the actual process, it would be important to read the following points related to the experiment: Warning: The simple concept of […]

Filed Under: Health related Projects Tagged With: Generate, Home, Hydrogen, Oxygen, Pure

Heart Rate Monitor Circuit

Last Updated on May 24, 2026 by Swagatam 18 Comments

heart2Brate2Bprocessor2Bcircuit

In this article I will comprehensively discuss a relatively accurate electronic heart rate sensor circuit processed by a few discretely wired opamp circuit stages, and subsequently we’ll learn how this can be modified for making a heart rate monitor alarm circuit. Using IR Photodiode Sensors The sensing of the heart pulses is basically done by […]

Filed Under: Health related Projects Tagged With: Heart, Monitor, Rate

Ultraviolet UV Water Filter/Purifier Circuit at Home

Last Updated on May 24, 2026 by Swagatam 14 Comments

UVwaterpurifiercircuitdevice

The post describes an easy method of making an ultra violet water purifier circuit using ordinary electronic components. How UV is Used as Germicidal Ultraviolet germicidal irradiation (UVGI) is a water treatment method which employs UV or ultraviolet light rays in the range of short wavelength in order to eliminate the present pathogens and microorganisms. The technology involves […]

Filed Under: Health related Projects Tagged With: Filter, Home, Purifier, Ultraviolet, UV, Water

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