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Room Air Ionizer Circuit – For Pollution Free Living

Last Updated on May 24, 2026 by Swagatam 159 Comments

Air ionizer circuit diagram

In this article I have explained how to build a simple room ionizer circuit for getting a clean, pollution free environment right inside our home. Introduction Have you ever thought or wondered why atmosphere over hill stations and other similar places which are far away from modern cities give you a feeling of  freshness and good health? […]

Filed Under: Health related Projects Tagged With: Free, Ionizer, Living, Pollution, Room

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

Last Updated on May 24, 2026 by Swagatam 25 Comments

nursecall

In this post I have explained 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 representative or a nurse whenever in need, by simply pressing a call button at the bedside. The idea was requested by Mr. […]

Filed Under: Health related Projects Tagged With: Alerting, Bell, Call, Hospital, Nurse, Room

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