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Red LED LightStim Circuit for Removing Facial Wrinkles

Last Updated on October 20, 2019 by Swagatam 9 Comments

An LED based LightStim is a device used for rejuvenating facial skin by stimulating cell growth. Normally, RED LED is used in these devices since red light have been found […]

Filed Under: Health Related, Mini Projects

How to Make TDCS Brain stimulator Circuit

Last Updated on December 20, 2019 by Swagatam 22 Comments

In this article we are going to construct an interesting project, which could potentially enhance your brain’s capability. Let’s learn how to make a TDCS brain simulator circuit. Overview This […]



Filed Under: Arduino Engineering Projects, Health Related

Hospital Room Call Bell Circuit for Alerting Nurse with a Button Press

Last Updated on August 6, 2021 by Swagatam 19 Comments

The post discusses a simple hospital room call bell circuit which can be installed in hospital patient rooms for allowing the patients to get a quick access to a medical […]

Filed Under: Health Related, Security and Alarm

Transcutaneous Nerve Stimulator Circuit

Last Updated on July 26, 2021 by Swagatam 62 Comments

Transcutaneous electrical nerve stimulation (TENS) is a term typically referred to the use of nonpharmacologic or noninvasive kind of treatment for neutralizing superficial pains. How  Transcutaneous electrical nerve stimulation Works Researches […]

Filed Under: 555 IC Circuits, Health Related, Sensors and Detectors

Heart Rate Monitor Circuit

Last Updated on October 18, 2019 by Swagatam 14 Comments

In this article we 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 […]

Filed Under: Health Related, Industrial Electronics, Infrared (IR)

How to Generate Pure Oxygen and Hydrogen at Home

Last Updated on March 9, 2022 by Swagatam 87 Comments

The article discusses 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 we learn […]

Filed Under: Health Related, Home Electrical Circuits



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