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Archives for 2020

Bluetooth Stethoscope Circuit

Last Updated on May 24, 2026 by Swagatam 20 Comments

block diagram

In situations as critical as a COVID-19 pandemic, a doctor is the one personnel who is the most susceptible to getting infected by the virus from a patient. Therefore, doctors are being continually offered and equipped with many advanced and high tech devices in an effort to guarantee maximum safety to their life and health. […]

Filed Under: Health related Projects Tagged With: Bluetooth, Stethoscope

Digital Thermometer Circuit – Uses a Solar Cell for Power

Last Updated on May 24, 2026 by Swagatam Leave a Comment

light thermometer 1

The articles explains a digital thermometer circuit project that works without a battery. Instead of a battery the circuit utilizes a small solar cell and operates by deriving power from the ambient light available from the surrounding light sources. This allows the circuit to be extremely compact, light weight, versatile and hassle free while measuring […]

Filed Under: Health related Projects, Meters and Testers Tagged With: Cell, Digital, Power, Solar, Thermometer, Uses

Face Mask with UVC Disinfected Fresh Air

Last Updated on May 24, 2026 by Swagatam 3 Comments

covid disinfection for masks

Face masks have so far proved to be the most effective first line of defense against all contagious epidemics and pandemics. However, the biggest discomfort with face masks is the difficulty in breathing and accessing fresh air. On the other hand, if the masks are made porous for letting fresh air in could also allowing […]

Filed Under: Health related Projects Tagged With: Disinfected, Face, Fresh, Mask, UVC

Using UV-C Light Chambers for Disinfecting Humans from Coronavirus

Last Updated on May 24, 2026 by Swagatam 24 Comments

eximer lamps

A rather easy way of disinfecting humans and objects on a large scale and in public places could be by irradiating them with ultraviolet rays (UV-C), in special UV-C illuminated chambers or passages. This includes the pandemic COVID-19, which can be suppressed by installing and implementing these specially created UV-C germicidal lamps. The following article […]

Filed Under: Health related Projects Tagged With: Chambers, Coronavirus, Disinfecting, Humans, Light, UV

How to Kill Coronavirus with Ozone Gas Generator

Last Updated on May 24, 2026 by Swagatam 88 Comments

coronavirus real image

In this post I have explained the basic construction of an ozone generator apparatus for disinfecting a closed premise from dangerous viruses such as coronavirus. Ozone is a tested and an officially recommended method of eliminating viruses and pathogens on outside surfaces. Viruses Cannot be Killed with Medicines The fact that makes a typical influenza […]

Filed Under: Health related Projects Tagged With: Coronavirus, Generator, Kill, Ozone

Automatic Hand Sanitizer Circuit – Fully Contactless

Last Updated on May 24, 2026 by Swagatam 128 Comments

hand saitizer dispenser

In this article I have explained how to make a low cost yet fully automatic hand sanitizer dispenser circuit which will allow a touch-free or contactless dispensing of the sanitizing liquid on the user’s hands. This contactless hand sanitizer circuit facilitates the user to access the sanitizing liquid on hands automatically without the need of […]

Filed Under: Automation Projects, Health related Projects Tagged With: Automatic, Contactless, Fully, Hand, Sanitizer

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