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Newly Updated Circuit Projects:

Remote Controlled Pulley Hoist Mechanism Circuit

Last Updated on October 13, 2019 by Swagatam 4 Comments

ropepulleymechanism

In this post I have explained a self locking worm gear mechanism for hoisting heavy loads through an electrical motor. The main feature of the system being its self locking in an event of a motor failure. The idea was requested by Mr. Amit Patkar. Technical Specifications I love electronics, especially automation, I have been […]

Filed Under: Remote Control Circuits Tagged With: Controlled, Hoist, Mechanism, Pulley, Remote

PWM Air Blower Controller Circuit for Biomass Cook Stoves

Last Updated on June 30, 2026 by Swagatam 6 Comments

motorspeedcontrollercircuit

The article details a PWM speed controller circuit for a fan air blower system to be used in Biomass cook stoves. The circuit also includes an uninterrupted automatic battery back-up supply with an integrated automatic battery charger circuit for the particular application. The idea was requested by Mr. Tushar and Sivaranjani. Technical Specifications Thanks for […]

Filed Under: Motor Controller Tagged With: Biomass, Blower, Controller, Cook, PWM, Stoves

Grid Transformer Fire Hazard Protector Circuit

Last Updated on January 2, 2024 by Swagatam Leave a Comment

transformerfireproetctioncircuit

In this post I have explained a smart mains fire hazard protector circuit which can be used for preventing mains grid transformers from over heating and causing sparks or even burning due to a possible fire. The idea was requested by Mr. Ravindra Shedge Technical Specifications I am Ravindra Shedge from Mumbai. I am looking […]

Filed Under: Voltage Control and Protection Tagged With: Fire, Grid, Hazard, Protector, Transformer

Laptop Anti-theft Security Alarm Circuit

Last Updated on July 7, 2019 by Swagatam Leave a Comment

antitheftcircuit

In this post I have explained a simple laptop anti-theft alarm circuit which can used with any concerned object such as a laptop which needs to be protected, when an intruder tries to approach the unit or makes an attempt to steal it the connected alarm is instantly raised. The idea was requested by one […]

Filed Under: Security and Alarm Tagged With: Alarm, Anti, Laptop, Security, Theft

Making an Inductive Generator Using two Motors

Last Updated on May 20, 2026 by Swagatam

2

In this post I have explained an over unity generator set up using two motors and an inverter for getting a sustained free energy infinitely. The idea was suggested by Mr. Dare. Technical Specifications I came across your website when searching for on Google, alternator booster which helps small Genset of 650W to bear load […]

Filed Under: Energy from Magnets and Earth Tagged With: Generator, Making, Motors, Overunity

Aquarium Fish Feeder Timer Controller Circuit

Last Updated on January 12, 2024 by Swagatam 14 Comments

aquariumfeedertimercircuit

In this post I have explained an aquarium feeder timer circuit which sustains a set of continuous operations as per a predetermined timing sequence through the respective pot controls. The idea was requested by Mr. Mike. Technical Specifications I am trying to build a timer circuit to control an automatic fish feeder. It needs to […]

Filed Under: Timer and Delay Relay Tagged With: Aquarium, Controller, Feeder, Fish, Timer

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